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Product: API check valve
Pressure Rating: 150LB- 600LB
Specification: 2"-24"
Material: WCB, CF8, CF8M, CF3, CF3M Standard flanges: API6D.API600.API598
CLASS 150~1500 SWING 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: ANSIB16.34,API6D,BS11868
Face to face(end to end): ANSIB16.10,API6D
Flanged connection: 2~~24~to ANSIB16.5_2~,26~~36~to MSS-SP-44;~to API605 on request
Butt welded end: ANSIB16.25
Test and inspection: API598,API6D
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
|
Disc
|
CS+SS/SS/SS+STL(see body materials)
|
NO.
|
Part name
|
WCB
|
LCB
|
WC6
|
WC9
|
07
|
Bolt stud&nut
|
A193 Gr B7/A194 Gr 2H
|
A320 Gr L7/A194 Gr 4
|
A193 Gr B16/A194 Gr 4/7
|
A193 Gr B16/A194 Gr 4/7
|
06
|
Cover bolt&nut
|
A193 Gr B7/A194 Gr 2H
|
A320 Gr L7/A194 Gr 4
|
A193 Gr B16/A194 Gr 4/7
|
A193 Gr B16/A194 Gr 4/7
|
05
|
Gasket
|
Spiral wound/soft iron
|
Spiral wound/soft iron
|
spiral wound/SS304
|
spiral wound/SS304
|
04
|
Hinge yoke
|
A216 Gr WCB
|
A352 Gr LCB
|
A217 Gr WC6
|
A217 Gr WC9
|
03
|
Hinge
|
A216 Gr WCB
|
A352 Gr LCB
|
A217 Gr WC6
|
A217 Gr WC9
|
02
|
Cover
|
A216 Gr WCB
|
A352 Gr LCB
|
A217 Gr WC6
|
A217 Gr WC9
|
01
|
Body
|
A216 Gr WCB
|
A352 Gr LCB
|
A217 Gr WC6
|
A217 Gr WC9
|