Size of Forged Steel Check Valve: NPS 1/2"-2" 
Pressure: Class 150-2500 
Material of Forged Steel Check Valve:A105,LF2,F11,F22,F5,F304,F316,F304L,F316L,F51
 
Design & Manufacture Std.: API 602,BS 1868,ASME B16.34 
Face to Face Std.: API 602,ASME B16.10,DIN 3202 
End Connection Std.: ASME B16.11,ASME B1.20.1,ASME B16.5,ASME B16.25
 
Test Standard: ISO5208,API 598,BS 6755 
Structure Type of Forged Steel Check Valve: Regular Pattern,Pressure Sealed Pattern,Damping Pattern