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PSN Valve
International
Presents Manufacturing Facilities Presentation
            Piston Check Valve 800Lb

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 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 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
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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