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Swing Check Valve
Swing Check Valve:We are one professional Swing Check Valve,Swing Check Valves Manufacturer and Export in China.We can produce Swing Check Valve,Check Valve according to your requirements. If you are interested in any of check valve,Swing Check Valve or have a customized requirement to fill, please contact us right now !
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Structure of Cast Steel Swing Type Check Valve
Remark:1.Type of end connection referred to Appendix Ⅰ
                2.Type of body and bonnet connection referred to Appendix Ⅷ
                3.Type of body and seat connection referred to Appendix Ⅶ
Materials List of Cast Steel Swing Type Check Valve
(ASTM Standard Material)
No. Part Name Carbon Steel Stainless Steel Alloy Steel Low Temperature Steel
1 Body ASTM A216 GR WCB ASTM A351 GR CF8 ASTM A 217 GR WC6 ASTM A352 GR LCB
2 Seat ASTM A105 ASTM A105 ASTM A182 GR F304 ASTM A182 GR F304
3 Disk ASTM A216 GR WCB ASTM A351 GR CF8 ASTM A217 GR WC6 ASTM A352 GR LCB
4 Arm ASTM A216 GR WCB ASTM A351 GR CF8 ASTM A 217 GR WC6 ASTM A352 GR LCB
5 Pin ASTM A182 GR F6a ASTM A276 TYPE 304 ASTM A182 GR F304 ASTM A182 GR F304
6 Connector ASTM A216 GR WCB ASTM A351 GR CF8 ASTM A 217 GR WC6 ASTM A352 GR LCB
7 Gasket Soft Graphite+SS304
8 Bonnet ASTM A216 GR WCB ASTM A351 GR CF8 ASTM A 217 GR WC6 ASTM A352 GR LCB
9 Stud ASTM A193 GR B7 ASTM A194 GR B8 ASTM A193 GR B7 ASTM A194 GR B8
10 Nut ASTM A194 GR 2H ASTM A193 GR 8 ASTM A194 GR 4 ASTM A193 GR 8
Remark:1、Pressure and temperature rating of casing material referred to Appendix Ⅻ.
       2、Chemical compositions and mechanical property of casing material referred to Appendix Ⅺ.
       3、Commonly-used trim materials and service temperature referred Appendix ⅩⅢ .
Technical Specification
Design Standard
BS1868
Pressure-Temperature Rating
ASME B16.34
Face-Face
ASME B16.10
Flange Ends
ASME B16.5、ASME B16.47
Buttwelding Ends
ASME B16.25
Inspection & Test
API598
Norminal ressure(Class)P
150
300
400
600
900
1500
(MPa)
Test Pressure
Shell Test
2.93
7.58
10.0
15.0
22.4
37.5
High Pressure Seal Test
2.07
5.52
7.31
11.03
16.54
27.5
Low Pressure Seal Test
0.6
Applicalbe Temperature
-196℃～550℃
Different raw material for different work temperature
Applicable Medium
Water,oil,gas and other causticity medium(Different raw material for different medium)
Our Valve Products:
Gate valve,Globe valve,Check valve,Ball valve,Butterfly valves,Plug valve,Power station valve,Type Strainer,ANSI Swing type Valve,Api check valve,API JIS Swing Check Valve,Class 150 Check Valve,Class 150 Check Valve,Class 250 Check Valve,Class 300 Check Valve,Class 600 Check Valve,Forged Steel Check Valve,Swing Check Valve,Wafer Check Valve,Y pattern Check Valve
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