Cast Steel and Stainless Steel Gate Valve
Cast Steel and Stainless Steel Gate Valve
API Gate Valve
Main parts and materials
Parts Name |
Materials |
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Valve Body、Bonnet、Disc |
A216 WCB |
A352 LCB、A217 WC6、A217 WC9、A217 C5、A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
Stem |
A182 F6 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
Seat Ring |
A105+13Cr、A105+STL、A351 CF8、A351 CF8M |
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Disc Ring |
13Cr、STL、A351 CF8、CF8M |
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Standards
Design and Manufacture |
Face to Face |
Flange End |
Inspection |
ANSI Pressure-Temp Rating |
API600,ANSI B16.34 |
ANSI B16.10 |
ANSI B16.5 |
API 598 |
ANSI B16.34 |
Test Pressure
Test Item |
Shell Test |
Seal Test |
Back Seal Test |
Air Seal Test |
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Medium(MPa) |
Water(MPa) |
Air(MPa) |
|||||
|
Pressure (Class) |
150 |
3.1 |
2.2 |
2.2 |
0.5-0.7 |
||
300 |
7.8 |
5.6 |
5.6 |
||||
600 |
15.3 |
11.2 |
11.2 |
||||
900 |
23.1 |
16.8 |
16.8 |
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