Check valves are mechanical valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves. Fluid flow in the desired direction opens the valve, while backflow closes the valve.
Design and manufacture:API 602,BS 5352,ANSI B16.34.
Connection ends conform to:
-Socket welded ends:ANSI B16.11.
-(NPT threaded)Screw ends:ANSI B1.20.1.
-Butt-welded ends:ANSI B 16.25.
-Flanged ends:ANSI B 16.5.
Inspection & testing:API 598.
NACE MR 0175 on request
Tag: MSS SP 25.
Spring Loaded To Ensure That Even In The Low-Pressure Sealing Performance As Well.
Y pattern straight-through flow path,greatly reducing flow resistance.
Port:Full Port(FP)/Reduced Port(RP).
Structure:BC(Bolted Cover),WC(Welded Cover),PSC(Pressure Self-sealing Cover).
Disc:Swing type,Piston type or Ball type.
Rating: Class 150/ 300/ 600/ 800/ 900/ 1500/ 2500.
Size Range:3/8" to 2".
End Options: FLG, SW(Socket Welded), Threaded(NPT/BSP), BW(Butt Welded),
-Y pattern forged check valve.
For valves which size is smaller than 2"(DN50), forged steel valves are recommended. Compared with castings,forged valve offer the advantages of more uniform structure, greater density, higher strength integrity, enhanced dimensional characteristics and closer dimensional tolerances.Owing to so many advantageds,the forged valve can be widely used in the fields of petroleum,natural gas,chemical,power and other industries.
A: we are a manufacturer, we have been manufacturing check valve more than 20 years.
A: T/T 30% down payment, balance to be paid before shipment. or L/C.
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
A: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
A: Yes, Samples can be provided.
A: We will responsible for all the quality problems.