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法兰截止阀

法兰截止阀

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不锈钢法兰截止阀系列产品,主要用来切断(或接通)管路介质。适用于化工等行业的硝酸、醋酸等场合。
该系列产品按标准生产,具有工艺性能,各项性能指标达到标准水平。


结构特点
  该型阀门采用平面密封和锥面密封两种密封型式,可使用于不同工况的介质要求,具有密封性能稳定,使用寿命长。逆时针转动手轮驱使阀杆带动阀瓣及膈膜迅速上升,打开通道使介质顺利通过。

设计与制造标准:
1、设计制造按GB12235-89
2、结构长度按GB12221-89
3、法兰尺寸按JB/G79-94
4、阀门检查和试验按GB13927

性能规范

型号公称压力试验压力工作温度(℃)适用介质
强度(水)(Mpa)密封(水)空气(Mpa)低压密封空气(Mpa)
J41W-16P(R)1.62.41.80.6≤200NITRIC ACID
J41W-25P(R)2.53.82.80.6≤200硝酸类
ACETIC ACID
醋酸类
NITRIV ACID
硝酸类
J41W-40P(R)4.06.04.40.6≤200ACETIC ACID
J41W-64P(R)6.49.67.00.6≤200醋酸类


主要零件材质

零件名称ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo2WCB
阀体/阀盖ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo2WCB
阀瓣ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo21Cr13
阀杆ZG1Cr18Ni9Ti00Cr18Ni101Cr18Ni12Mo2Ti00Cr17Ni14Mo21Cr13
填料PTFE编织PTFE编织PTFE编织PTFE编织石墨
垫片304+PTFE304L+PTFE316+PTFE316L+PTFE石墨+304
压盖ZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo2WCB
填料压环1Cr18Ni9Ti00Cr18Ni101Cr18Ni12Mo2Ti00Cr17Ni14Mo21Cr13
螺栓1Cr17Ni21Cr17Ni21Cr17Ni21Cr17Ni235CrMoA
螺母1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti45


1.6MPa主要连接尺寸及重量

尺寸DN1520253240506580100125150200250300350400
Lmm130150160180200230290310350400480600650750850950
Hmm200243253280312321325355415460510700975111512501380
Wmm120140160160200200240240280320360560600700800900
重量kg56.5713.516324560801071342684496637501170


2.5MPa主要连接尺寸及重量

尺寸DN1520253240506580100125150200250300350400
Lmm130150160180200230290310350400480600650750850950
Hmm200243253280312321325355415460510700975111512501380
Wmm120140160160200200240240280320360560600700800900
重量kg56.5713.516324560801071342684496637501170


4.0MPa主要连接尺寸及重量

尺寸DN1520253240506580100125150200250300350400
Lmm130150160180200230290310350400480600650750850950
Hmm200243253280312321325355415460510700975111512501380
Wmm120140160160200200240240280320360560600700800900
重量kg56.5713.516324560801071342684917058501234


6.4MPa主要连接尺寸及重量

尺寸DN15202540506580100125150
Lmm170190210230260300340380430550
Hmm195228250325360410450485537646
Wmm140160180200240280320360400450
重量kg1013151925354856125157


10.0MPa主要连接尺寸及重量

尺寸DN1520253240506580100125150200250300
Lmm170190210230260300340380430500550650775900
Hmm195228250325360410450485537
84092510151200
Wmm100100120160160180200200240-----
重量kg1012172530406892107-3105908501040


16.0MPa主要连接尺寸及重量

尺寸DN1520253240506580100125150200
Lmm170190210230260300340380430500550650
Hmm148156175200231262470500557613671765
Wmm100100120140160180360400450450500500
重量kg4.647.4210.0712.315.229.716583125175249375