閘閥具有以下優點：
1、流體阻力小，密封面受介質的忡刷和侵蝕小。
2、開閉較省力。
3、介質流向不受限制，不擾流、不降低壓力。
4、形體簡單，結構長度短，制造工藝性好，適用范圍廣。

  執行標準 Administer Standard

設計與制造
Design and Manufacture結構長度
Face To Face法蘭尺寸
Flange Dimension壓力-溫度
Pressure Temperature Lating試驗-檢驗
spection And Test GB122234GB12221GB9113 JB79GB9131GB/T13927 JB/T9092

壓力試驗 Pressure Test

公稱壓力
NominalPressure1.62.54.06.410.016.0 強度試驗
Shell Test2.43.86.09.615.024.0 水密封試驗
Water Seal Test1.82.84.47.011.018.0 上密封試驗
Backseat Test1.82.84.47.011.018.0 氣密封試驗
Air Seal Test0.4-0.7

主要零件材料及性能 Main Part Materials and Property

體、蓋、板
Body Cover Disc閥桿
Stem密封面
Sealing Face墊片
Sealing　Shim填料
Packing工作溫度
Working Temperature適用介質
Suitable Medium  WCB2Cr1313CrSTL木體材料With BodyMaterial尼龍Nylon增強柔性石墨13Cr/柔性石墨Enhanced Flexible Graphite1Cr13/Flexible Graphite08軟鋼08 Soft Steal0Cr18Ni9Ti0Cr17Ni12Mo2TiXD550F(T)PTFE柔性石墨增強柔性石墨Flexible GraphiteEnhanced Flexible GraphiteSFB/260SFP/260PTFE≤425水 蒸汽 油品WaterSteamＯil Goods  WC138CrMoAl25Cr2MoV≤450  WC6≤540  WC9≤570  C5 C12≤540  ZGCr5Mo≤200肖酸類
Nitric acid  ZG1Cr18Ni9Ti1Cr18Ni9Ti  ≤200醋酸類
Acetic acid  ZG1Cr18Ni12Mo2Ti1Cr18Ni12Mo2Ti 

電裝型號規格 主要尺寸和重量 Electric Actuator Code Size Main Dimensions and Weight 

1.6MPaDNLDD₁D2bn-φd電裝型號Electric Actuator CodeL₁HD₀重量Weight 凸面法蘭
RF

Z940H
Z940Y
Z940W
Z940F


Z941H
Z941Y
Z941W
Z941F


16C
16P
16R
16I4020014511085164-18DZW1059059536587.5 50250160125100164-18DZW1059065336590 65265180145120184-18DZW1059066536596 80280195160135208-18DZW15590725365108 100300215180155208-18DZW20590787365126 125325245210185228-18DZW20590934365173 150350280240210248-23DZW20590955365199 2004003352952652612-23DZW305901105365254 2504504053353203012-25DZW308101343470310 3005004604103753012-25DZW458101516470391 3505505204704353416-25DZW908101678470729 4006005805254853616-30DZW1208301937550992 4506506405855454020-30DZW12083019375501168 5007007056506084420-34DZW18083022345501222 6008008407707184820-41DZW25087024323201376 7009009108407885024-41DZW25087024893201401 80010013239508985224-41DZW35011702643570- 9001100112013509985428-41DZW50011702935570- 100012001255117011005628-48DZW50011703410570-

電裝型號規格 主要尺寸和重量 Electric Actuator Code Size Main Dimensions and Weight 

2.5MPaDNLDD₁bn-φd電裝型號Electric Actuator CodeL₁HD₀重量Weight 凸面法蘭
RF

Z940H
Z940Y
Z940W
Z940F


Z941H
Z941Y
Z941W
Z941F


25
25P
25R
25I40200145110184-18DZW1059059536591 50250160125204-18DZW1059065336595 65265180145228-18DZW1059066536599 80280195160228-18DZW15590725365113 100300230190248-23DZW20590787365132 125325270220288-25DZW20590902365181 150350300250308-25DZW30590955365206 2004003603103412-25DZW308101105470257 2504504253703612-30DZW308101343470317 30050048543040