BURKERT資料,BURKERT電磁閥，寶得BURKERT電磁閥

BURKERT資料,BURKERT電磁(ci)閥，寶得BURKERT電磁(ci)閥

216 兩位兩通或兩位三通電磁閥 適用于腐蝕性介質 ? 轉動銜鐵電磁閥， 帶手動開關 ? 帶隔離膜片直動式 0121 ? 具有多種回路功能 ? 適用于腐蝕性介質 0121型可與以下產品配套： ? 閥體材質為塑料或不銹鋼 ? 螺紋連接和油寧連接 2508型 電纜插座 1078型 定時器 2511型 ASI電纜插座 8600型 批量控制器 0121型為高的直動式兩位兩通或兩 位三通轉動銜鐵電磁閥。可用于多種應用場合 進行打開、關斷、加藥、混合或分配。隔離膜 片將介質與電磁系統隔離。 技術參數 內孔 閥體材質 DN 4.0 - 8.0 mm PTFE, （PP, PVDF on request） PVC （resistant acc. DIN 8062, 8061） Stainless steel 1.4401 分析閥 密封材質，介質 FPM密封 FFKM密封 FPM、FFKM（可按需提供EPDM） 氧化酸和氧化物、油類、鹽溶液、廢氣、 工藝真空 中性和腐蝕性液體和氣體 參見Burkert《技術手冊》中的“阻抗表” 功耗 吸合 AC [VA] 40 UC [W] 40 保持 AC [VA/W] 18/8 UC [W] 3 DC [W] 8.5 介質溫度 閥體+密封 PVC+FPM PTFE/SS+FPM PTFE/SS+FFKM 環境溫度 粘度 電壓允差 負載周期 連續工作 間歇工作 電氣連接 AC和DC 防護等 安裝 Ф 6 - 7 mm電纜插座（標準供貨） 帶電纜插座IP 65 可根據需要安裝，使線圈朝上 –10 to +50 °C –10 to +90 °C –10 to +90 °C Max. +50 °C Max. 37 mm2/s ±10% 不銹鋼閥體100%，通用電流（UC） PVC閥體10%（10分） PP、PTFE和PVDF閥體40%（10分） Fluid Control Systems Subject to modifications 217 尺寸[mm] 閥體材質 D B 89 91 E 32 35 F 65 PVC G 3/8 可能的接口功能 1 回路功能 A E F P P1 A 2 – P2 B 3 A A P 5 depth 閥門訂貨表（其它形式可按需提供）- 不銹鋼閥體，帶手動開關和電纜插座 內孔[mm] 電壓/頻率 [V/Hz] 水的Kv值 [m3/h] 回路功能 壓力范圍 [bar] 閥體材質 密封材質 連接口 A 兩位兩通閥，常閉 4.0 0.3 0-2 0-4 G 1/4 G 1/4 Stainless steel Stainless steel FPM FPM 024/DC 024/50 042/50 230/50 055 244 056 934 052 817 052 441 040 482 057 086 052 819 054 595 042 457 6.0 0.6 0-1 0-2 G 1/4 G 1/4 Stainless steel Stainless steel FPM FPM 024/DC 024/50 042/50 110/50 230/50 E 兩位三通混合閥 4.0 0.3 0-2 G 1/4 Stainless steel FPM 230/50 塑料閥體，帶手動開關和電纜插座（UC線圈帶硅電纜，參見腳注） 4.0 0.3 0-2 A 兩位兩通閥，常閉 0-4 6.0 0.6 0-1 0-2 G 3/8 G 3/8 G 3/8 G 3/8 PVC PVC PVC PVC FPM FPM FPM FPM 024/DC 024/50 230/50 024/DC 024/50 110/50 230/50 049 654 048 940 047 859 048 749 049 348 050 553 047 810 048 697 052 800 052 302 130 933 130 934 8.0 1.0 0-1 G 3/8 PVC FPM 024/UC 024/50 230/50 E 兩位三通混合閥 4.0 0.3 0-2 G 3/8 PTFE FFKM 024/UC 230/50 F 兩位三通分配閥 6.0 0.6 0-1 0-2 G 3/8 G 3/8 PVC PVC FPM FPM 024/DC 024/50 110/50 230/50 049 533 052 181 050 336 047 916 說明： UC帶高線圈（吸合60W，保持3W）和1米模壓硅纜。 Subject to modifications Fluid Control Systems 分析閥 067 659 訂貨號 0121 不銹鋼 G 1/4 76
六十多年來，Burkert直致力于流體控制域的產品和系統的研發、制造，如今Burkert已發展成個擁有三千多名員工、在德國和法國擁有五家廠、在四十多個國家和地區設立了分公司的跨國集團，成為流體控制系統域的者。 　　
“Burkert”在長期的發展過程中，非常重視技術創新和新品開發。通過針對性的產品設計、現 代化和加工工藝、嚴格認真的檢驗和切實的市場預測，形成了以“通用電磁閥系統”“過程控制 閥系統”“氣動控制閥系統”“液體分析閥系統”以及“傳感器/變送器”和 “控制器”為主體的六 大系列產品。基于“Burkert”產品精巧的設計、的和完善的，使“Burkert”產品在流 體控制域始終處于地位。 “Burkert”的 “環氧樹脂封裝線圈”以及“電纜連接插頭 ”已成為ISO標準。“Burkert”發明的 “導銜鐵電磁系統”“搖臂式電磁閥”及“脈沖 線圈”就是公司不斷創新發展的*例證。
雙榮科技有限公司
地址：上海嘉定區曹安路2728號3樓353室
： 39529839 39529831

目前，Burkert化的流體控制系統產品已廣泛應用于各行各業,尤其在水/污水處理、啤酒飲 料、食品加工、制藥及醫療設備、消毒清洗、及紡織化工等域更是有著極大的優勢和廣闊的市場前 景。而且在些苛刻的工作情況下，如衛星、太空試驗室、核反應堆及深海探測裝置中， “Burkert”產品也顯示了其性和可靠性.
隨著工業的不斷發展，“Burkert”將以其的產品、優良的、周到的致力于中 國工業化水平的進步提高。而且，為了滿足國內市場不斷增長的需求， 目前擁有“德國寶得（ /香港）總公司”和"寶帝流體控制系統（上海）有限公司"分別負責香港地區和內地的市場和蘇州技術服 務。同時組建了北京、上海、成都、廣州、蘇州。以此為依托可以為廣大客戶更加及時準 確地供貨，提供相應的技術和培訓 ，并針對客戶的應用要求提供zui、zui周到的。
BURKERT，德國寶德，成立已有快70年，在德國、法國有5家工廠，是家針對流體控制域的產品和系統的研發、制造的性跨國企業，也是這個域的者。 BURKERT產品大量使用于分析儀器、汽車制造、生物技術、化學、電子、能
德國BURKERT（寶得）流體控制產品：通用電磁閥、分析電磁閥、氣動閥、過程控制閥、流量計、PH\電導率\超聲波\壓力變送器等。部分常用型號有現貨。
BURKERT 2000型角座閥：外部導角座閥。溢流口與滑塊間有自調節密封壓蓋，閥體角座結構可實現較大流量，特別是與普通截止閥相比時。。。。
BURKERT 5281型電磁閥：伺服輔助是電磁閥系列：適用于中性氣體和液體及壓縮空氣，廣泛應用于過程控制系統，化學處理，水/污水處理和消毒處理中。
BURKERT適用于水及其他中性液體：5281、6213、0330、6011、0331、0255、0290……
BURKERT適用于中性氣體介質：6013、0255、0330、0331、5404、5281、0290、6014……
BURKERT適用于腐蝕性介質：0127、0124、0330、0331、0121、6642……
BURKERT適用于高壓介質：0255、5404……
BURKERT適用于蒸汽，溫度可達+180℃：6013、0255、0407……
BURKERT膜片閥：2030、2031……
BURKERT角座閥：2012、2000、2002……
電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)是(shi)(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)來控制(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)體(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)方(fang)向(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)化(hua)(hua)基(ji)礎元件(jian)，屬于(yu)(yu)執(zhi)行器(qi)；通(tong)(tong)(tong)(tong)(tong)常(chang)(chang)(chang)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)機(ji)械(xie)控制(zhi)(zhi)(zhi)和(he)(he)(he)工(gong)(gong)業閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門上(shang)(shang)(shang)面(mian)(mian)，對(dui)介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)方(fang)向(xiang)(xiang)進行控制(zhi)(zhi)(zhi)，從而(er)(er)達(da)到對(dui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)控制(zhi)(zhi)(zhi)。工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)原(yuan)(yuan)理(li)(li)(li)　　電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)里有(you)(you)(you)(you)(you)密(mi)閉(bi)(bi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)腔(qiang)，在(zai)(zai)(zai)(zai)(zai)不(bu)(bu)(bu)同位置開(kai)(kai)(kai)有(you)(you)(you)(you)(you)通(tong)(tong)(tong)(tong)(tong)孔(kong)，每個孔(kong)都通(tong)(tong)(tong)(tong)(tong)向(xiang)(xiang)不(bu)(bu)(bu)同的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)油管(guan)(guan)(guan)(guan)(guan)，腔(qiang)中間(jian)是(shi)(shi)(shi)(shi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，兩面(mian)(mian)是(shi)(shi)(shi)(shi)兩塊(kuai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)鐵(tie)，哪面(mian)(mian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)鐵(tie)線圈(quan)通(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)就(jiu)會(hui)被吸(xi)引到哪邊，通(tong)(tong)(tong)(tong)(tong)過控制(zhi)(zhi)(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)移動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)來檔(dang)住或(huo)(huo)(huo)漏出(chu)不(bu)(bu)(bu)同的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)排(pai)油的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)孔(kong)，而(er)(er)進油孔(kong)是(shi)(shi)(shi)(shi)常(chang)(chang)(chang)開(kai)(kai)(kai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，液(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)油就(jiu)會(hui)進入不(bu)(bu)(bu)同的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)排(pai)油管(guan)(guan)(guan)(guan)(guan)，然后(hou)通(tong)(tong)(tong)(tong)(tong)過油的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)來推(tui)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)油缸的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)活(huo)(huo)塞(sai)，活(huo)(huo)塞(sai)又帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)活(huo)(huo)塞(sai)桿，活(huo)(huo)塞(sai)竿帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)械(xie)裝(zhuang)置動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)。這(zhe)樣通(tong)(tong)(tong)(tong)(tong)過控制(zhi)(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)鐵(tie)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)就(jiu)控制(zhi)(zhi)(zhi)了(le)機(ji)械(xie)運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)。分(fen)類　　1.電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)從原(yuan)(yuan)理(li)(li)(li)上(shang)(shang)(shang)分(fen)為(wei)三大(da)(da)類：　　1）直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：　　原(yuan)(yuan)理(li)(li)(li)：通(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)線圈(quan)產(chan)生電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)力(li)(li)(li)把關(guan)(guan)(guan)(guan)閉(bi)(bi)件(jian)從閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)座上(shang)(shang)(shang)提起，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門打(da)開(kai)(kai)(kai)；斷(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)力(li)(li)(li)消(xiao)失，彈簧(huang)(huang)把關(guan)(guan)(guan)(guan)閉(bi)(bi)件(jian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)在(zai)(zai)(zai)(zai)(zai)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)座上(shang)(shang)(shang)，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門關(guan)(guan)(guan)(guan)閉(bi)(bi)。　　特點(dian)：在(zai)(zai)(zai)(zai)(zai)真空、負壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)、零壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)能(neng)(neng)正常(chang)(chang)(chang)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)，但通(tong)(tong)(tong)(tong)(tong)徑(jing)般(ban)(ban)不(bu)(bu)(bu)超(chao)過25mm。　　2）分(fen)布直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：　　原(yuan)(yuan)理(li)(li)(li)： 它是(shi)(shi)(shi)(shi)種(zhong)(zhong)直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)(he)(he)導(dao)(dao)(dao)式(shi)(shi)(shi)相結(jie)(jie)合(he)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)原(yuan)(yuan)理(li)(li)(li)，當(dang)入口(kou)(kou)(kou)(kou)(kou)與出(chu)口(kou)(kou)(kou)(kou)(kou)沒有(you)(you)(you)(you)(you)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，通(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)后(hou)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)力(li)(li)(li)直(zhi)(zhi)接(jie)(jie)把導(dao)(dao)(dao)小(xiao)(xiao)(xiao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)(he)(he)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)關(guan)(guan)(guan)(guan)閉(bi)(bi)件(jian)依次向(xiang)(xiang)上(shang)(shang)(shang)提起，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門打(da)開(kai)(kai)(kai)。當(dang)入口(kou)(kou)(kou)(kou)(kou)與出(chu)口(kou)(kou)(kou)(kou)(kou)達(da)到啟(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，通(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)后(hou)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)力(li)(li)(li)導(dao)(dao)(dao)小(xiao)(xiao)(xiao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)下(xia)(xia)腔(qiang)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)上(shang)(shang)(shang)升，上(shang)(shang)(shang)腔(qiang)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)下(xia)(xia)降，從而(er)(er)利用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)把主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)向(xiang)(xiang)上(shang)(shang)(shang)推(tui)開(kai)(kai)(kai)；斷(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，導(dao)(dao)(dao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)利用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)彈簧(huang)(huang)力(li)(li)(li)或(huo)(huo)(huo)介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)推(tui)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)關(guan)(guan)(guan)(guan)閉(bi)(bi)件(jian)，向(xiang)(xiang)下(xia)(xia)移動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，使(shi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門關(guan)(guan)(guan)(guan)閉(bi)(bi)。　　特點(dian)： 在(zai)(zai)(zai)(zai)(zai)零壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)或(huo)(huo)(huo)真空、高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)亦(yi)能(neng)(neng)可(ke)(ke)(ke)(ke)*動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)，但功(gong)(gong)率較(jiao)大(da)(da)，要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)必(bi)(bi)(bi)(bi)(bi)須(xu)(xu)(xu)(xu)(xu)水(shui)(shui)平安(an)裝(zhuang)。　　3）導(dao)(dao)(dao)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)：　　原(yuan)(yuan)理(li)(li)(li)：通(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)力(li)(li)(li)把導(dao)(dao)(dao)孔(kong)打(da)開(kai)(kai)(kai)，上(shang)(shang)(shang)腔(qiang)室壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)迅速下(xia)(xia)降，在(zai)(zai)(zai)(zai)(zai)關(guan)(guan)(guan)(guan)閉(bi)(bi)件(jian)周圍形成上(shang)(shang)(shang)低下(xia)(xia)高(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)，流(liu)(liu)(liu)(liu)體(ti)(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)推(tui)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)關(guan)(guan)(guan)(guan)閉(bi)(bi)件(jian)向(xiang)(xiang)上(shang)(shang)(shang)移動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門打(da)開(kai)(kai)(kai)；斷(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，彈簧(huang)(huang)力(li)(li)(li)把導(dao)(dao)(dao)孔(kong)關(guan)(guan)(guan)(guan)閉(bi)(bi)，入口(kou)(kou)(kou)(kou)(kou)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)過旁(pang)(pang)通(tong)(tong)(tong)(tong)(tong)孔(kong)迅速腔(qiang)室在(zai)(zai)(zai)(zai)(zai)關(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)件(jian)周圍形成下(xia)(xia)低上(shang)(shang)(shang)高(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)，流(liu)(liu)(liu)(liu)體(ti)(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)推(tui)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)關(guan)(guan)(guan)(guan)閉(bi)(bi)件(jian)向(xiang)(xiang)下(xia)(xia)移動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，關(guan)(guan)(guan)(guan)閉(bi)(bi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門。　　特點(dian)： 流(liu)(liu)(liu)(liu)體(ti)(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)范圍上(shang)(shang)(shang)限較(jiao)高(gao)(gao)，可(ke)(ke)(ke)(ke)任(ren)意(yi)安(an)裝(zhuang)（需(xu)定(ding)(ding)(ding)制(zhi)(zhi)(zhi)）但必(bi)(bi)(bi)(bi)(bi)須(xu)(xu)(xu)(xu)(xu)滿足(zu)流(liu)(liu)(liu)(liu)體(ti)(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)條件(jian)。　　2.電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)從閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)結(jie)(jie)構(gou)(gou)(gou)和(he)(he)(he)材(cai)(cai)料(liao)上(shang)(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)不(bu)(bu)(bu)同與原(yuan)(yuan)理(li)(li)(li)上(shang)(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)區別，分(fen)為(wei)六個分(fen)支小(xiao)(xiao)(xiao)類：　　直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)膜(mo)片(pian)結(jie)(jie)構(gou)(gou)(gou)、分(fen)步(bu)重(zhong)片(pian)結(jie)(jie)構(gou)(gou)(gou)、導(dao)(dao)(dao)膜(mo)式(shi)(shi)(shi)結(jie)(jie)構(gou)(gou)(gou)、直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)活(huo)(huo)塞(sai)結(jie)(jie)構(gou)(gou)(gou)、分(fen)步(bu)直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)活(huo)(huo)塞(sai)結(jie)(jie)構(gou)(gou)(gou)、導(dao)(dao)(dao)活(huo)(huo)塞(sai)結(jie)(jie)構(gou)(gou)(gou)。　　電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)在(zai)(zai)(zai)(zai)(zai)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)型(xing)(xing)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)注意(yi)事項　　：適用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing) 　　管(guan)(guan)(guan)(guan)(guan)路(lu)中的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)流(liu)(liu)(liu)(liu)體(ti)(ti)必(bi)(bi)(bi)(bi)(bi)須(xu)(xu)(xu)(xu)(xu)和(he)(he)(he)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)系(xi)(xi)(xi)列(lie)(lie)(lie)型(xing)(xing)號中標(biao)(biao)定(ding)(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)致。　　流(liu)(liu)(liu)(liu)體(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)溫(wen)度(du)(du)必(bi)(bi)(bi)(bi)(bi)須(xu)(xu)(xu)(xu)(xu)小(xiao)(xiao)(xiao)于(yu)(yu)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)標(biao)(biao)定(ding)(ding)(ding)溫(wen)度(du)(du)。　　電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)允(yun)(yun)許液(ye)(ye)體(ti)(ti)粘(zhan)(zhan)(zhan)度(du)(du)般(ban)(ban)在(zai)(zai)(zai)(zai)(zai)20CST以(yi)(yi)(yi)下(xia)(xia)，大(da)(da)于(yu)(yu)20CST應(ying)(ying)(ying)(ying)(ying)注明。　　工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)，管(guan)(guan)(guan)(guan)(guan)路(lu)zui高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)在(zai)(zai)(zai)(zai)(zai)小(xiao)(xiao)(xiao)于(yu)(yu)0.04MPa時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)應(ying)(ying)(ying)(ying)(ying)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)如ZS,2W,ZQDF,ZCM系(xi)(xi)(xi)列(lie)(lie)(lie)等(deng)直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)(shi)和(he)(he)(he)分(fen)步(bu)直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)(shi)；zui低工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)大(da)(da)于(yu)(yu)0.04MPa時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)導(dao)(dao)(dao)式(shi)(shi)(shi)（壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)式(shi)(shi)(shi)）電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)；zui高(gao)(gao)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)應(ying)(ying)(ying)(ying)(ying)小(xiao)(xiao)(xiao)于(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)zui大(da)(da)標(biao)(biao)定(ding)(ding)(ding)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)；般(ban)(ban)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)都是(shi)(shi)(shi)(shi)單向(xiang)(xiang)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)，因此要(yao)(yao)(yao)(yao)(yao)注意(yi)是(shi)(shi)(shi)(shi)否(fou)有(you)(you)(you)(you)(you)反壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)，如有(you)(you)(you)(you)(you)安(an)裝(zhuang)止回(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。 　　流(liu)(liu)(liu)(liu)體(ti)(ti)清潔(jie)(jie)度(du)(du)不(bu)(bu)(bu)高(gao)(gao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)應(ying)(ying)(ying)(ying)(ying)在(zai)(zai)(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)前安(an)裝(zhuang)過濾(lv)器(qi)，般(ban)(ban)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)對(dui)介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)清潔(jie)(jie)度(du)(du)要(yao)(yao)(yao)(yao)(yao)好(hao)。　　注意(yi)流(liu)(liu)(liu)(liu)量(liang)孔(kong)徑(jing)和(he)(he)(he)接(jie)(jie)管(guan)(guan)(guan)(guan)(guan)口(kou)(kou)(kou)(kou)(kou)徑(jing)；電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)般(ban)(ban)只有(you)(you)(you)(you)(you)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)兩位控制(zhi)(zhi)(zhi)；條件(jian)允(yun)(yun)許請(qing)(qing)安(an)裝(zhuang)旁(pang)(pang)路(lu)管(guan)(guan)(guan)(guan)(guan)，便于(yu)(yu)維修；有(you)(you)(you)(you)(you)水(shui)(shui)錘現象時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)定(ding)(ding)(ding)制(zhi)(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)閉(bi)(bi)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)調節。　　注意(yi)環(huan)境溫(wen)度(du)(du)對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)影(ying)響(xiang)　　電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)和(he)(he)(he)消(xiao)耗功(gong)(gong)率應(ying)(ying)(ying)(ying)(ying)根(gen)(gen)(gen)(gen)據(ju)(ju)輸出(chu)容量(liang)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)取(qu)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)般(ban)(ban)允(yun)(yun)許±10%左右(you)，必(bi)(bi)(bi)(bi)(bi)須(xu)(xu)(xu)(xu)(xu)注意(yi)交(jiao)流(liu)(liu)(liu)(liu)起動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)VA值(zhi)(zhi)較(jiao)高(gao)(gao)。　　二(er)、可(ke)(ke)(ke)(ke)靠(kao)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)　　電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)分(fen)為(wei)常(chang)(chang)(chang)閉(bi)(bi)和(he)(he)(he)常(chang)(chang)(chang)開(kai)(kai)(kai)二(er)種(zhong)(zhong)；般(ban)(ban)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)常(chang)(chang)(chang)閉(bi)(bi)型(xing)(xing)，通(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)打(da)開(kai)(kai)(kai)，斷(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)關(guan)(guan)(guan)(guan)閉(bi)(bi)；但在(zai)(zai)(zai)(zai)(zai)開(kai)(kai)(kai)啟(qi)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)很長(chang)關(guan)(guan)(guan)(guan)閉(bi)(bi)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)很短(duan)(duan)(duan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)要(yao)(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)常(chang)(chang)(chang)開(kai)(kai)(kai)型(xing)(xing)了(le)。　　壽(shou)命(ming)試驗(yan)，工(gong)(gong)廠般(ban)(ban)屬于(yu)(yu)型(xing)(xing)式(shi)(shi)(shi)試驗(yan)項目(mu)，確切地說我(wo)國還沒有(you)(you)(you)(you)(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)標(biao)(biao)準(zhun)，因此選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)慎重(zhong)。　　動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)很短(duan)(duan)(duan)頻率較(jiao)高(gao)(gao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)般(ban)(ban)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)取(qu)直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)(shi)，大(da)(da)口(kou)(kou)(kou)(kou)(kou)徑(jing)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)快速系(xi)(xi)(xi)列(lie)(lie)(lie)。　　三、安(an)全(quan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)　　般(ban)(ban)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)不(bu)(bu)(bu)防(fang)(fang)水(shui)(shui)，在(zai)(zai)(zai)(zai)(zai)條件(jian)不(bu)(bu)(bu)允(yun)(yun)許時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)請(qing)(qing)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)防(fang)(fang)水(shui)(shui)型(xing)(xing)，工(gong)(gong)廠可(ke)(ke)(ke)(ke)以(yi)(yi)(yi)定(ding)(ding)(ding)做。　　電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)zui高(gao)(gao)標(biao)(biao)定(ding)(ding)(ding)公稱(cheng)(cheng)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)定(ding)(ding)(ding)要(yao)(yao)(yao)(yao)(yao)超(chao)過管(guan)(guan)(guan)(guan)(guan)路(lu)內(nei)(nei)(nei)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)zui高(gao)(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)，否(fou)則(ze)(ze)使(shi)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)壽(shou)命(ming)會(hui)縮短(duan)(duan)(duan)或(huo)(huo)(huo)產(chan)生其(qi)它意(yi)外情況。　　有(you)(you)(you)(you)(you)腐蝕(shi)(shi)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)液(ye)(ye)體(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)應(ying)(ying)(ying)(ying)(ying)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)全(quan)不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)型(xing)(xing)，強(qiang)腐蝕(shi)(shi)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)流(liu)(liu)(liu)(liu)體(ti)(ti)宜選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)塑(su)料(liao)王(wang)（SLF）電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。　　爆炸(zha)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)環(huan)境必(bi)(bi)(bi)(bi)(bi)須(xu)(xu)(xu)(xu)(xu)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)相應(ying)(ying)(ying)(ying)(ying)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)防(fang)(fang)爆產(chan)品。　　四(si)、經濟(ji)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)　　有(you)(you)(you)(you)(you)很多(duo)(duo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)可(ke)(ke)(ke)(ke)以(yi)(yi)(yi)通(tong)(tong)(tong)(tong)(tong)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)，但在(zai)(zai)(zai)(zai)(zai)能(neng)(neng)滿足(zu)以(yi)(yi)(yi)上(shang)(shang)(shang)三點(dian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)基(ji)礎上(shang)(shang)(shang)應(ying)(ying)(ying)(ying)(ying)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)產(chan)品。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)型(xing)(xing)　　電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)型(xing)(xing)應(ying)(ying)(ying)(ying)(ying)該依次遵循安(an)全(quan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)，可(ke)(ke)(ke)(ke)靠(kao)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)，適用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)，經濟(ji)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)四(si)大(da)(da)原(yuan)(yuan)則(ze)(ze)，其(qi)次是(shi)(shi)(shi)(shi)根(gen)(gen)(gen)(gen)據(ju)(ju)六個方(fang)面(mian)(mian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)現場(chang)工(gong)(gong)況（即(ji)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)參數、流(liu)(liu)(liu)(liu)體(ti)(ti)參數、壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)參數、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣參數、動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)方(fang)式(shi)(shi)(shi)、特殊(shu)(shu)要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)進行選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)）。　　選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)型(xing)(xing)依據(ju)(ju)： 　　、根(gen)(gen)(gen)(gen)據(ju)(ju)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)參數選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)：通(tong)(tong)(tong)(tong)(tong)徑(jing)規(gui)格（即(ji)DN）、接(jie)(jie)口(kou)(kou)(kou)(kou)(kou)方(fang)式(shi)(shi)(shi) 　　1、按照現場(chang)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)內(nei)(nei)(nei)徑(jing)尺(chi)(chi)(chi)寸或(huo)(huo)(huo)流(liu)(liu)(liu)(liu)量(liang)要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)來確定(ding)(ding)(ding)通(tong)(tong)(tong)(tong)(tong)徑(jing)（DN）尺(chi)(chi)(chi)寸。 　　2、接(jie)(jie)口(kou)(kou)(kou)(kou)(kou)方(fang)式(shi)(shi)(shi)，般(ban)(ban)>DN50要(yao)(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)法蘭接(jie)(jie)口(kou)(kou)(kou)(kou)(kou)，≤DN50則(ze)(ze)可(ke)(ke)(ke)(ke)根(gen)(gen)(gen)(gen)據(ju)(ju)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)戶(hu)需(xu)要(yao)(yao)(yao)(yao)(yao)自(zi)由選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)。 　　二(er)、根(gen)(gen)(gen)(gen)據(ju)(ju)流(liu)(liu)(liu)(liu)體(ti)(ti)參數選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)：材(cai)(cai)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、溫(wen)度(du)(du)組 　　1、腐蝕(shi)(shi)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)流(liu)(liu)(liu)(liu)體(ti)(ti)：宜選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)耐(nai)腐蝕(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)(he)(he)全(quan)不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)；食(shi)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)超(chao)凈(jing)流(liu)(liu)(liu)(liu)體(ti)(ti)：宜選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)食(shi)品不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)材(cai)(cai)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。 　　2、高(gao)(gao)溫(wen)流(liu)(liu)(liu)(liu)體(ti)(ti)：要(yao)(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)采用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)耐(nai)高(gao)(gao)溫(wen)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)工(gong)(gong)材(cai)(cai)料(liao)和(he)(he)(he)密(mi)封(feng)材(cai)(cai)料(liao)制(zhi)(zhi)(zhi)造(zao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，而(er)(er)且(qie)要(yao)(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)活(huo)(huo)塞(sai)式(shi)(shi)(shi)結(jie)(jie)構(gou)(gou)(gou)類型(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。 　　3、流(liu)(liu)(liu)(liu)體(ti)(ti)狀(zhuang)態：大(da)(da)有(you)(you)(you)(you)(you)氣態，液(ye)(ye)態或(huo)(huo)(huo)混合(he)狀(zhuang)態，特別是(shi)(shi)(shi)(shi)口(kou)(kou)(kou)(kou)(kou)徑(jing)大(da)(da)于(yu)(yu)DN25訂(ding)貨時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)定(ding)(ding)(ding)要(yao)(yao)(yao)(yao)(yao)區分(fen)開(kai)(kai)(kai)來。 　　4、流(liu)(liu)(liu)(liu)體(ti)(ti)粘(zhan)(zhan)(zhan)度(du)(du)：通(tong)(tong)(tong)(tong)(tong)常(chang)(chang)(chang)在(zai)(zai)(zai)(zai)(zai)50cSt以(yi)(yi)(yi)下(xia)(xia)可(ke)(ke)(ke)(ke)任(ren)意(yi)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)，若超(chao)過此值(zhi)(zhi)，則(ze)(ze)要(yao)(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)高(gao)(gao)粘(zhan)(zhan)(zhan)度(du)(du)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。 　　三、根(gen)(gen)(gen)(gen)據(ju)(ju)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)參數選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)：原(yuan)(yuan)理(li)(li)(li)和(he)(he)(he)結(jie)(jie)構(gou)(gou)(gou)品種(zhong)(zhong) 　　1、公稱(cheng)(cheng)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)：這(zhe)個參數與其(qi)它通(tong)(tong)(tong)(tong)(tong)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)含義(yi)是(shi)(shi)(shi)(shi)樣的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，是(shi)(shi)(shi)(shi)根(gen)(gen)(gen)(gen)據(ju)(ju)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)公稱(cheng)(cheng)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)來定(ding)(ding)(ding)。 　　2、工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)：如果工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)低則(ze)(ze)必(bi)(bi)(bi)(bi)(bi)須(xu)(xu)(xu)(xu)(xu)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)或(huo)(huo)(huo)分(fen)步(bu)直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)(shi)原(yuan)(yuan)理(li)(li)(li)；zui低工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)差(cha)(cha)(cha)在(zai)(zai)(zai)(zai)(zai)0.04Mpa以(yi)(yi)(yi)上(shang)(shang)(shang)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)(shi)、分(fen)步(bu)直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)(shi)、導(dao)(dao)(dao)式(shi)(shi)(shi)均可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)。 　　四(si)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)規(gui)格應(ying)(ying)(ying)(ying)(ying)盡量(liang)優選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)AC220V、DC24較(jiao)為(wei)方(fang)便。　　五、根(gen)(gen)(gen)(gen)據(ju)(ju)持(chi)續(xu)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)長(chang)短(duan)(duan)(duan)來選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)：常(chang)(chang)(chang)閉(bi)(bi)、常(chang)(chang)(chang)開(kai)(kai)(kai)、或(huo)(huo)(huo)可(ke)(ke)(ke)(ke)持(chi)續(xu)通(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)　　2、要(yao)(yao)(yao)(yao)(yao)是(shi)(shi)(shi)(shi)開(kai)(kai)(kai)啟(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)短(duan)(duan)(duan)或(huo)(huo)(huo)開(kai)(kai)(kai)和(he)(he)(he)關(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)不(bu)(bu)(bu)多(duo)(duo)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，則(ze)(ze)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)常(chang)(chang)(chang)閉(bi)(bi)型(xing)(xing)。 　　3、但是(shi)(shi)(shi)(shi)有(you)(you)(you)(you)(you)些用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)安(an)全(quan)保護(hu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)況，如爐(lu)、窯火焰監(jian)測(ce)，則(ze)(ze)不(bu)(bu)(bu)能(neng)(neng)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)常(chang)(chang)(chang)開(kai)(kai)(kai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，應(ying)(ying)(ying)(ying)(ying)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)可(ke)(ke)(ke)(ke)長(chang)期通(tong)(tong)(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)型(xing)(xing)。 　　六、根(gen)(gen)(gen)(gen)據(ju)(ju)環(huan)境要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)輔助功(gong)(gong)能(neng)(neng)：防(fang)(fang)爆、止回(hui)、手動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、防(fang)(fang)水(shui)(shui)霧、水(shui)(shui)淋(lin)、潛(qian)水(shui)(shui)　　1、爆炸(zha)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)環(huan)境：必(bi)(bi)(bi)(bi)(bi)須(xu)(xu)(xu)(xu)(xu)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)相應(ying)(ying)(ying)(ying)(ying)防(fang)(fang)爆等(deng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)（我(wo)公司現有(you)(you)(you)(you)(you)：d II BT4、d II CT5、Ex m I/II T4） 。 　　2、當(dang)管(guan)(guan)(guan)(guan)(guan)內(nei)(nei)(nei)流(liu)(liu)(liu)(liu)體(ti)(ti)有(you)(you)(you)(you)(you)倒(dao)流(liu)(liu)(liu)(liu)現象時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)我(wo)公司OK71-N、OK72-N系(xi)(xi)(xi)列(lie)(lie)(lie)帶止回(hui)功(gong)(gong)能(neng)(neng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。 　　3、當(dang)需(xu)要(yao)(yao)(yao)(yao)(yao)對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)進行現場(chang)人工(gong)(gong)操作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)我(wo)公司OK71-S、OK72-S系(xi)(xi)(xi)列(lie)(lie)(lie)帶手動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)功(gong)(gong)能(neng)(neng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。 　　4、露天(tian)安(an)裝(zhuang)或(huo)(huo)(huo)粉塵多(duo)(duo)場(chang)合(he)應(ying)(ying)(ying)(ying)(ying)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)防(fang)(fang)水(shui)(shui)，防(fang)(fang)塵品種(zhong)(zhong)（防(fang)(fang)護(hu)等(deng)在(zai)(zai)(zai)(zai)(zai)IP54以(yi)(yi)(yi)上(shang)(shang)(shang)）。 　　5、用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)噴泉必(bi)(bi)(bi)(bi)(bi)須(xu)(xu)(xu)(xu)(xu)采用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)潛(qian)水(shui)(shui)型(xing)(xing)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)（防(fang)(fang)護(hu)等(deng)在(zai)(zai)(zai)(zai)(zai)IP68以(yi)(yi)(yi)上(shang)(shang)(shang)）。 　　1、當(dang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)需(xu)要(yao)(yao)(yao)(yao)(yao)長(chang)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)開(kai)(kai)(kai)啟(qi)，并(bing)且(qie)持(chi)續(xu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)多(duo)(duo)余關(guan)(guan)(guan)(guan)閉(bi)(bi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)應(ying)(ying)(ying)(ying)(ying)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)常(chang)(chang)(chang)開(kai)(kai)(kai)型(xing)(xing)。選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)使(shi)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)需(xu)要(yao)(yao)(yao)(yao)(yao)注意(yi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)特性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)　　、安(an)全(quan)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)： 　　1、腐蝕(shi)(shi)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)：宜選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)塑(su)料(liao)王(wang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)(he)(he)全(quan)不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)；對(dui)于(yu)(yu)強(qiang)腐蝕(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)必(bi)(bi)(bi)(bi)(bi)須(xu)(xu)(xu)(xu)(xu)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)隔離膜(mo)片(pian)式(shi)(shi)(shi)。例(li)CD-F. Z3CF。中性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)，也宜選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)銅合(he)金為(wei)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)殼材(cai)(cai)料(liao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，否(fou)則(ze)(ze)，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)殼中常(chang)(chang)(chang)有(you)(you)(you)(you)(you)銹(xiu)(xiu)屑脫落，尤其(qi)是(shi)(shi)(shi)(shi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)不(bu)(bu)(bu)頻繁的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)場(chang)合(he)。氨用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)則(ze)(ze)不(bu)(bu)(bu)能(neng)(neng)采用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)銅材(cai)(cai)。 　　2、爆炸(zha)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)環(huan)境：必(bi)(bi)(bi)(bi)(bi)須(xu)(xu)(xu)(xu)(xu)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)相應(ying)(ying)(ying)(ying)(ying)防(fang)(fang)爆等(deng)產(chan)品，露天(tian)安(an)裝(zhuang)或(huo)(huo)(huo)粉塵多(duo)(duo)場(chang)合(he)應(ying)(ying)(ying)(ying)(ying)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)防(fang)(fang)水(shui)(shui)，防(fang)(fang)塵品種(zhong)(zhong)。 　　3、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)公稱(cheng)(cheng)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)應(ying)(ying)(ying)(ying)(ying)超(chao)過管(guan)(guan)(guan)(guan)(guan)內(nei)(nei)(nei)zui高(gao)(gao)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)。 　　　二(er)、適用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)： 　　　1.介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)特性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(xing)　　1.1質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)氣，液(ye)(ye)態或(huo)(huo)(huo)混合(he)狀(zhuang)態分(fen)別選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)不(bu)(bu)(bu)同品種(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，例(li)ZQDF用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)空氣，ZQDF—Y用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)液(ye)(ye)體(ti)(ti)， ZQDF—2（或(huo)(huo)(huo)-3）用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)蒸(zheng)汽，否(fou)則(ze)(ze)易(yi)引起誤(wu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)。ZDF系(xi)(xi)(xi)列(lie)(lie)(lie)多(duo)(duo)功(gong)(gong)能(neng)(neng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)則(ze)(ze)可(ke)(ke)(ke)(ke)通(tong)(tong)(tong)(tong)(tong)通(tong)(tong)(tong)(tong)(tong)于(yu)(yu)氣.液(ye)(ye)體(ti)(ti)。訂(ding)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)告明介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)狀(zhuang)態，安(an)裝(zhuang)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)戶(hu)就(jiu)不(bu)(bu)(bu)必(bi)(bi)(bi)(bi)(bi)再調式(shi)(shi)(shi)。 　　1.2介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)溫(wen)度(du)(du)不(bu)(bu)(bu)同規(gui)格產(chan)品，否(fou)則(ze)(ze)線圈(quan)會(hui)燒掉，密(mi)封(feng)件(jian)老化(hua)(hua)，嚴重(zhong)影(ying)響(xiang)壽(shou)命(ming)命(ming)。 　　1.3介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)粘(zhan)(zhan)(zhan)度(du)(du)，通(tong)(tong)(tong)(tong)(tong)常(chang)(chang)(chang)在(zai)(zai)(zai)(zai)(zai)50cSt以(yi)(yi)(yi)下(xia)(xia)。若超(chao)過此值(zhi)(zhi)，通(tong)(tong)(tong)(tong)(tong)徑(jing)大(da)(da)于(yu)(yu)15mm用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)ZDF系(xi)(xi)(xi)列(lie)(lie)(lie)多(duo)(duo)功(gong)(gong)能(neng)(neng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)特殊(shu)(shu)訂(ding)貨。通(tong)(tong)(tong)(tong)(tong)徑(jing)小(xiao)(xiao)(xiao)于(yu)(yu)15mm訂(ding)高(gao)(gao)粘(zhan)(zhan)(zhan)度(du)(du)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。 　　1.4介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)清潔(jie)(jie)度(du)(du)不(bu)(bu)(bu)高(gao)(gao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)都應(ying)(ying)(ying)(ying)(ying)在(zai)(zai)(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)前配(pei)裝(zhuang)反沖過濾(lv)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)低時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)尚可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)直(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)膜(mo)片(pian)式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)例(li)如CD—P。 　　1.5介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)若是(shi)(shi)(shi)(shi)定(ding)(ding)(ding)向(xiang)(xiang)流(liu)(liu)(liu)(liu)通(tong)(tong)(tong)(tong)(tong)，且(qie)不(bu)(bu)(bu)允(yun)(yun)許倒(dao)流(liu)(liu)(liu)(liu)ZDF—N和(he)(he)(he)ZQDF—N單需(xu)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)雙向(xiang)(xiang)流(liu)(liu)(liu)(liu)通(tong)(tong)(tong)(tong)(tong)，請(qing)(qing)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)特殊(shu)(shu)要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)提出(chu)。 　　1.6介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)溫(wen)度(du)(du)應(ying)(ying)(ying)(ying)(ying)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)在(zai)(zai)(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)允(yun)(yun)許范圍之(zhi)內(nei)(nei)(nei)。 　　2.管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)參數　　2.1根(gen)(gen)(gen)(gen)據(ju)(ju)介(jie)(jie)(jie)質(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)向(xiang)(xiang)要(yao)(yao)(yao)(yao)(yao)求(qiu)(qiu)(qiu)及(ji)管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)連接(jie)(jie)方(fang)式(shi)(shi)(shi)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)擇(ze)(ze)(ze)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門通(tong)(tong)(tong)(tong)(tong)口(kou)(kou)(kou)(kou)(kou)及(ji)型(xing)(xing)號。例(li)如，用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)條管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)向(xiang)(xiang)兩條管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)切換(huan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，小(xiao)(xiao)(xiao)通(tong)(tong)(tong)(tong)(tong)徑(jing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)CA5和(he)(he)(he)Z3F，中等(deng)或(huo)(huo)(huo)大(da)(da)通(tong)(tong)(tong)(tong)(tong)徑(jing)請(qing)(qing)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)ZDF—Z1/2。又如控制(zhi)(zhi)(zhi)兩條管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)匯流(liu)(liu)(liu)(liu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，請(qing)(qing)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)ZDF—Z2/1等(deng)。 　　2.2根(gen)(gen)(gen)(gen)據(ju)(ju)流(liu)(liu)(liu)(liu)量(liang)和(he)(he)(he)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門Kv值(zhi)(zhi)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)定(ding)(ding)(ding)公稱(cheng)(cheng)通(tong)(tong)(tong)(tong)(tong)徑(jing)，也可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)(xuan)同管(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)內(nei)(nei)(nei)徑(jing)。請(qing)(qing)注意(yi)有(you)(you)(you)(you)(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)未標(biao)(biao)有(you)(you)(you)(you)(you)Kv值(zhi)(zhi)，往(wang)往(wang)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)孔(kong)尺(chi)(chi)(chi)寸小(xiao)(xiao)(xiao)于(yu)(yu)接(jie)(jie)口(kou)(kou)(kou)(kou)(kou)管(guan)(guan)(guan)(guan)(guan)徑(jing)，切不(bu)(bu)(bu)可(ke)(ke)(ke)(ke)貪圖(tu)價低而(er)(er)誤(wu)事

 

 

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