Check Valve

Forged Steel Check Valve

TANA manufactures forged steel A105N check valve in three kinds bonnet design—Bolted Bonnet,Welded Bonnet and Pressure Sealed Bonnet. Forged steel swing check valve can automatically stop the medium backflow, through the force of the medium can open the disc of valves, check valves are open in this condition; through the check valve pressure difference of in and off, under the self-gravity of valve disc etc factors to shut off the hoist parts,in order to prevent the media back.To learn more about valve Forged steel check valves.

Forged steel check valve

Design Features:

  • 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
  • Reduced Bore or Full Port,
  • T-Pattern or Y-Pattern,
  • Socket Welded,Threaded,Butt Welded,Flanged End.


  • API 602,ASME B16.34,BS 5352
  • Testing according to API 598
  • Marking to MSS SP25
  • Socket Welded Ends to ASME B16.11
  • Screwed Ends to ASME B1.20.1
  • Butt Welded Ends to ASME B16.25
  • Flanged Ends to ASME B16.5

Forged Steel Swing Check Valves Material list

Forged Steel Check Valve

NO. Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105N Type F22 Type F304(L) Type F316(L)
1 Body A105N A182 F22 A182 F304(L) A182 F316(L)
2 Piston Disc A276 410 A276 304 A276 304(L) A276 316(L)
3 Gasket Corrugated SS + graphite SS + PTFE
4 Bonnet A105 A182 F22 A182 F304 L A182 F316(L)
5 Nameplate SS
6 Bolt A193 B7 A193 B16 A193 B8M A193 B8M
7 Ball A182 F304 A182 F304 A182 F304 A182 F304
Suitable Medium W.O.G.etc W.O.G.etc HNO3CH3OOH etc
Suitable Temperature -29- 425℃ -29 -550℃ -29 -180℃

Note: Other materials are available upon request.

Forged steel swing check valve(800lb) Dimensions (mm) and Weights (Kg)

NPS Conv. 3/8 1/2 3/4 1 1-1/4 1-1/2 2  
Full   3/4 1/2 3/4 1 1/4 1-1/2 2
L 79 79 92 111 120 152 172 200
H 61 61 65 79 95 103 118 132
Weights Bolted 1.4 1.2 1.5 3.1 3.9 5.6 8.9 12.5
Welded 1.1 1.0 1.2 2.9 3.3 4.9 8.1 10.9

For more details about forged swing check valve, please download catalogue for reference or contact with us.

Wenzhou Topnotch Machine Co.,Ltd is a professional leader China Forged steel check valve,Forged A105N check valve,Forged steel F304 check valve,Forged F22 swing check valve,welded bonnet check valve,forged steel Flanged check valve manufacturer with high quality and low price.Welcome to contact us!

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