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PSN Valve
International
Presents Manufacturing Facilities Presentation
            Cryogenic Gate Valve 800lb

Standard Material Specifications

NO.
Part Name
CS to ASTM
AS to ASTM
SS to ASTM
Type LF2
Type LF3
Type F304(L)
Type F316(L)
1
Body
A350 LF2
A350 LF3
A182 F304(L)
A182 F316(L)
2
Seat Ring
A276 420
A276 410
A276 304(L)
A276 316(L)
3
Wedge
A350 LF2
A350 LF3
A182 F304(L)
A182 F316(L)
4
Gasket
Corrugated SS + graphite
SS+PTFE
5
Bonnet
A350 LF2
A350 LF3
A182 F304(L)
A182 F316(L)
6
Bonnet Bolt
A193 B7
A193 B7
A193 B8
A193 B8M
7
Stem
A182 F6
A182 F6
A182 F304(L)
A182 F316(L)
8
Stem Packing
Flexible Graphite
PTFE
9
Pin
A276 420
A276 304
10
Gland Eyebolt
A193 B7
A193 B16
A193 B8
A193 B8M
11
Gland
A276 410
A182 F304(L)
A182 F316(L)
12
Gland Flange
A105
A182 F11
A182 F304(L)
A182 F316(L)
13
Gland Nut
A194 2H
A194 4
A194 8
A194 8M
14
Yoke Nut
A276 420
15
Bearing Gasket
A473 431
16
Nameplate
SS
17
H.W. Lock Nut
A194 2H
A194 4
A194 8
A194 8M
18
Handwheel
A197
Suitable Temperature
>-40°C
>-101°C
>-196°C
Note :

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

3/8
½
¾
1
1¼
1½
2
L
79
92
111
120
120
140
178
H(OPEN)
330
333
360
407
475
475
551
W
100
100
125
160
160
180
200
Weights
Bolted
5.2
7.1
9.4
13.5
15.0
17.8
28.0
Welded
4.8
6.4
8.7
12.2
13.4
15.2
26.0

 
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