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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.

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Description

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.

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.

Specification:
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


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

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