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Specifications

Cast Iron Swing Check Valve is popular with many customers from different countries. 
Material:A126B
Trade Term:FOB
Certification:ISO,CE,DQS
Pressure:125LB
Check Valve  
 
Specification Application
  • Design Standard: MSS SP-71
  • Face to Face: ANSIB16.10
  • Flange Dimension : ANSI B16.1
  • Test Standard : MSS SP-71
  • Lever & Weight available on request
  • Working Temp: 100 °C
  • Working Pressure: PN10 or PN16
  • Suitable Media: Water,Steam,Oil
  • Not recommended for Steam Service.
  • Causion: FREEZING WEATHER PRECAUTION - Subsequent to testing a piping system, gate valves should be left in an open position to allow complete drainage.

     
Materials
No Part Name Materials
1 Body ASTM A126A(B) GG20 GG25
2 Seat Ring ASTM B36/B62,SS410 Brass,Bronze
3 Wedge ASTM A126A(B) GG20 GG25
4 Hinge Pin A216 WCB GS-C25
5 Hinge ASTM A126A(B) GG20 GG25
6 Nut A216 WCB GS-C25
7 Bonnet ASTM A126A(B) GG20 GG25
8 Split Pin A216 WCB GS-C25
9 Bonnet Gasket Graphite Graphite
10 Bolt A216 WCB GS-C25
11 Washer A216 WCB GS-C25
12 Nut A216 WCB GS-C25
Dimensions(ANSI 16.1 Flange drilling) 

DN D D1 L H b n d
2" 152 120.7 203.2 153 15.8 4 19
2.5" 178 139.7 215.9 162 17.5 4 19
3" 191 152.4 241.3 176 19 4 19
4" 229 190.5 292.1 220 23.9 8 19
5" 254 215.9 330.2 226 23.9 8 22
6" 279 241.3 355.6 256 25.4 8 22
8" 343 298.5 495.3 298 28.5 8 22
10" 406 362 622.3 376 30.2 12 25
12" 483 431.8 698.5 410 31.8 12 25