Detailed Product Description:
Check Valve Design Construction and Specifications
check valves conform to ASME B16.34
Each are tested according to API 589, and marking is per MSS SP-25.
Construction is as follows:
1> Full Port or Conventional Port
2> Piston check
3> Ball check
4> Swing check
5> Spring available on request
6> Bolted bonnet with spiral wound gasket, threaded and
Seal welded bonnet or threaded and pressure seal bonnet
7>Socket weld ends to ASME B16.11
8>Screwed Ends(NPT) to ANSI/ASME B1.20.1