lift CHECK VALVE
Bolted cover,swing type disc
Threaded or welded seat ring
ASTM A216 WCB,A217 WC6,A351CF8,A351CF8M,
A351 CF3,A351 CF3M,A351 CN7M
Standards compliance
Design and Manufacture: ANSI B16.34, API6D, BS1868
Face to face(end to end): ANSI B16.10, API6D
Flanged connection: 2"~24" to ANSI B16.5
22", 26"~36 to MSS-SP-44
to API605 on request
Butt welded end: ANSI B16.25
Test and inspection: API598, API6D
Standard Material Specifications
Materials list
|
NO.
|
Part name
|
Material
|
12
|
Disc nut
|
Carbon steel/stainless steel
|
11
|
Washer
|
Carbon steel/stainless steel
|
10
|
Hinge pin
|
Carbon steel/stainless steel
|
09
|
Seat ring
|
CS+SS/SS/SS+STL(see body materials)
|
08
|
Disn
|
CS+SS/SS/SS+STL(see body materials)
|