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PSN Valve
International
Presents Manufacturing Facilities Presentation
            Piston Check Valve 900Lb ~ 1500Lb

Standard Material Specifications

NO.
Part Name
CS to ASTM
AS to ASTM
SS to ASTM
Type A105
Type F22
Type F304(L)
Type F316(L)
1
Body
A105
A182 F22
A182 F304(L)
A182 F316(L)
2
Piston Disc
A276 420
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 B8 M
A193 B8M
7
Ball
A182 F304
A182 F304
A182 F304
A182 F304
Suitable Medium
W.O.G. etc
W.O.G. etc
HNO3, CH3OOH etc
Suitable Temperature
-29°C ~ 425°C
-29°C ~ 550°C
-29°C ~ 180°C
Note :

Other materials are available upon request.
CS = Carbon Steel; AS = Alloy Steel; SS = Stainless Steel;
Dimensions (mm) and Weights (Kg)
NPS
Conv.

3/8
½
¾
1
1¼
1½
2
Full
3/8
½
3/4
1
1¼
1½
2
L
92
111
111
120
152
172
200
220
H
65
79
79
97
104
120
139
215
Weights
Bolted
1.6
3.4
3.3
5.5
6.0
9.2
12.9
16.2
Welded
1.3
3.2
3.1
4.8
5.4
8.5
11.2
14.3

 
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