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Forged Steel Welded Bonnet Piston Check Valve

Forged Steel Welded Bonnet Piston Check Valve

Forged Steel Valve, Pressure Seal Check Valve, Piston Check Valve manufacturer / supplier in China, offering 900lb/1500lb Forged Steel Welded Bonnet Piston Check Valve (GAH61H), Gear Operated Butt Welded End Metal Sealing Butterfly Valve (GA363H/F), FT14 Ball Float Steam Trap and so on.


Basic Info

  • Connection Form: Flange,Thread,Welding

  • Pressure: High Pressure

  • Standard: ANSI

  • Size: 1/2"~2"

  • Pressure Rating: 900-2500lb

  • Inspection&Test: API 598

  • Transport Package: Plywood Case

  • Origin: China(Mainland)

  • Material: Forged Steel

  • Structure: Swing

  • Flow Direction: Reversing

  • Application: Industrial Usage

  • Temperature: -29~550 Deg.

  • Design&Manufacture: API 602,BS5352,ANSI B16.34

  • Specification: ISO 9001

  • HS Code: 8481804090

Product Description

Forged Steel Pressure Seal Swing Check Valve Class 900-2500.

Standard specification.

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.

Construction features.

Spring Loaded To Ensure That Even In The Low-Pressure Sealing Performance As Well.
Y pattern straight-through flow path,greatly reducing flow resistance.

Product Range.

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),
Optional Materials:
-Carbon Steel: A105, LF2
-Stainless Steel: F304, F304L, F316, F316L
-Duplex: F51, F55
-Alloy: F1, F5, F5A, F9, F11, F22
Special Design:
    -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.    

Main Parts Material.

NoPart NameMaterial
1BodyA105A182 F22A182 F304(L)A182 F316(L)
2DiscA276 420A276 304A276 304(L)A276 316(L)
4BonnetA105A182 F22A182 F304(L)A182 F316(L)
6BoltA193 B7A193 B16A193 B8(M)A193 B8(M)
7BallA182 F304A182 F304A182 F304A182 F304
Applicable mediumWater,steam,oil.,etcWater,steam,oil.,etcAcid.,etc
Applicable temp.-29~425°C-29~550°C-29~200°C

Note:Other materials are available on request.

Dimensions(mm) and Weights(Kg)

NPSRB3/81/23/411 1/41 1/22/
SB 3/81/23/411 1/41 1/22


Hot Tags: forged steel welded bonnet piston check valve, China, Wenzhou, manufacturers, suppliers, factory, customized, price list, in stock, made in China


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