Forged Steel Valve in stock VP鈥檚 forged steel check valves are offered in swing type,lift type,bolted bonnet and welded bonnet design in a wide range of carbon, stainless steel, duplex stainless steel, alloy and other special materials.VP鈥檚 forged steel check valves are manufactured according to API 602 Design. Forged Steel Check Valve Specification: 1. Size:3/8鈥潂3鈥?DN 10~DN 80 2. Pressure:Class 150~Class 2500 3. End connection:RF,RTJ,BW,SW,NPT Main materials Forged Steel:A105,F11,F22,LF2,F304,F304L,F316,F316L,F321,Alloy 20,N06625,F5,F9,F51,F53,F55 Special Alloy Steel:Inconel,Hastelloy,Monel,Incoloy 825 Forged Steel Check Valve Standard and Features Std: 1.Design & manufacture:API 602,ASME B16.34 2.Pressure-temperature Rating:ASME B16.34 3.FACE TO FACE:ASME B16.10/Manufacturer STD 4.Flanged End:ASME B16.5 5.Butt Welded End:ASME B16.25 6.Socket Welded End:ASME B16.11 7.Threaded End:ASME B1.20.1 8.Inspection & Test:API 598 Features: 1.BC,Bolted Cover 2.Welded Cover,Bolted Cover or pressure seal Cover 3.Lift or Swing Type 4.Seat Ring Integral with Body of Lift 5.Horizontal or Vertical Service 6.SW,Screwed Welded End 7.NPT,Threaded End 8.Flanged End 9.When the swing check valve is fully opened, the fluid pressure is almost unimpeded, so the pressure drop through the valve is relatively small 10.The disc seat of the lift check valve is located on the sealing surface of the valve seat on the valve body 11.The function of this type of valve is to allow the medium to flow in only one direction and to prevent the flow in one directionForged Steel Valve in stock website:http://www.valprovalves.com/forged-steel-valve/