Butterfly type Check Valve
Type: H76H/X
Size:2"-48"
Pressure Range:Class 150∽Class 900
Working Temp.:≤200°
Material:Carbon steel,Stainless steel,Alloy steel,special material,chromium molybdenum steel,etc.
Medium:Water Steam Oil Gas
Operation: Manual Pneumatic Electric
Steel check valve, API 594/API 6D
Steel check valves, ISO 14313
Steel valves, ASME B16.34
Face to face, ASME B16.10
End flanges, ASME B16.5
Inspection and test, API 598
One piece body
Butterfly swing type
Dual-plate disc,long-pattern
Renewable split disc
Hotizontal or vertical service
Wafer ends (Available with flanged ends)
Material of parts:
No. |
ASTM Material |
||||
Part Name |
Carbon steel |
11/4 Cr-11/2 Mo |
Low-term. Steel |
Stainless steel |
|
1 |
Body |
A216-WCB |
A217-WC6 |
A352-LCB |
ASTM A351 CF8M |
2 |
Plate |
A216-WCB+13Cr |
A217-WC6+HF |
A352-LCB+13Cr |
ASTM A351 CF8M+HF |
3 |
Stop Pin |
A276-420 |
A276-304 |
A276-420 |
A276-304 |
4 |
Back Spring |
SS304 |
SS304 |
SS304 |
SS316 |
5 |
Hinge Pin |
A276-420 |
A276-304 |
A276-420 |
A276-316 |
6 |
Eyebolt |
Carbon steel/Stainless steel |