Standard: API 602
Material: ASTM A105N
Disc: F6a+STL
Size: 2 Inch, DN50
Pressure: Class 1500 LB, PN250
End Connection: SW
Test & Inspection: API 598
Face to Face: ASME B16.10
Suitable Medium: Water, Natural Gas, Oil and some corrosive liquid
Structure features:
Bolted bonnet,Welded bonnet,Pressure seal bonnet
Forged Steel,Piston,Ball or Swing type
Integral Body Seat for Piston and Ball Check valves
Separated Seat Ring design for swing check valves
Spiral Wound Gasket or Oval Ring Joint gasket