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Forged steel cryogenic gate valve

Sandard Material Speciffcation
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 A350LF3 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 Lubricated Gasket A473 431
16 Nameplate SS
17 H.W.Lock Nut A194 2H A194 4 A194 8 A194 8M
18 Handwheel A197
Suitable Medium W.O.G.etc W.O.G.etc HNO 3 ,CH 3 OOH etc
Suitable Temperature -40 -101 -196
Note:Other materials are available upon request.
CS=Carbon Steel;AS=S=Alloy Steel;SS=Stainless Steel;
Dimension (mm) and Weight (Kg)
NPS 3/8" 1/2" 3/4" 1" 11/4" 11/2" 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
Weight 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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