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Forged Steel Check Valve

Design Standard
Temperature Range
-20 - 232°C
Pressure Rating
Class 150 LB~2500LB
Forged Steel Check Valve
Forged Steel Check Valve Forged Steel Check Valve Forged Steel Check Valve


  1.  Forged steel check valves conform to ASME B16. 34,DIN or BS5352
  2.  Each tested according to API 598, and marking is per MSS SP-25
  3. Three bonnet designs A) Bolted B) Welded C) Pressure seal
  4. Five different design configurations A) Piston check B) Ball check C) Swing check D)Lift check E)Wafer check
  5. Investment forging
  6. Working pressure: 150lb-2500lb WOG
  7. Temperature range: -29 - 425°C
  8. Materials: Forged steel ,Forged stainless steel,Forged low pressure materials,Monel,Copper,Bronze,Inconel etc.


  • Normal Size: 1/2”~4”
  • Pressure rating: 150 LB~2500 LB
  • Design Standard: API 6D OR DIN 
  • Design Features: Piston or Swing type, BB, WB, PSB.
  • Materials: A105, LF2, F11, F22, F5, F304, F316, F304L, F316L, F51,MONEL,INCONEL,5A
  • Test Standard: API 6D, API 598 

 compact design, high pressure, Forged Steel Check Valves are designed and manufactured according to BS 5352 to meet requirements of small Pipelines up to 100NB. They are available either with Threaded or Socket Weld ends. Hard Faced Trim material ensures perfect Sealing and long life. Properly guided Lift type Disc which acts on its own according to flow direction. These Valves are generally suitable for horizontal installation.

Check Valves are available in varied materials like Forged Carbon Steel conforming to A105; Forged Alloy Steel like LF2, F11, F22, and Forged Stainless Steel like F304, F304L, F316 and F316L. Size range commences from 10NB through 100NB and pressure rating up to ANSI 2500#.

DOMOS Forge valves are available in three bonnet type designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F316L/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. The third design is pressure sealed bonnet type.On request a full penetration strength welded joint is available.

The check valves are also available in four different design configurations. These are piston check, ball check, lift or swing check designs.Wafer check valve including single plate type and dual plate type.


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