PRODUCTS > Pneumatic globe valve > American Standard pneumatic valve

American Standard pneumatic valve

Caliber: DN50~800mm
Features: explosion-proof, switch, positioner
High temperature resistance, high pressure resistance, corrosion resistance, wear resistance, wide range of applications
With buffer mechanism, manual conversion mechanism, flexible and reliable
Contact purchase


Technical specifications
Design basisGB standard
Design standardGB/12233
Structural lengthClip connectionGB/12221
Connecting flange dimensionB/9113、JB/T79
Experiment and testGB/T13927、JB/T9092
Remark: the length and size of the series ball valve can be designed and manufactured according to the customer's requirements
Technical parameter
Nominal diameterDN50~800mm
Connection modeFlange
Cylinder formDouble acting, single acting (spring reset)
Control modeSwitching type, regulating type
Nominal pressure16、25、40bar(For higher pressure, please indicate when ordering)
Gas pressureDouble action:4~8bar
Medium temperatureW3:-30~425℃    W4:-40~425
Ambient temperatureStandard type:-20~80℃
Body materialCarbon steel (C), stainless steel (P4, P6)
Sealing materialMetal hard sealing (H) and hard alloy (Y)
Remark: other special sealing material or special temperature can be designed and selected according to customer's requirements


Material list of main parts
No.Part nameMaterial
1Valve bodyWCBZG1Cr18Ni9Ti1Cr18Ni12Mo2Ti
2ShimFlexible graphite + stainless steelPTFEPTFE
4Screw valveWCB+ surfacing 304 or stelite, PTFEZG1Cr18Ni9Ti PTFEZG1Cr18Ni12Mo2Ti PTFE
5Ring opening1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti
6Disc cover1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2Ti
7The stem2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti
9Ring bolt35304304
10Valve coverWCBZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti
13FillerFlexible graphitePTFEPTFE
14Packing plateWCBZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti
Remarks: the material of main components and sealing rings can be designed and selected according to actual working conditions or customers' requirements