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Self-sealing forged steel gate valve (pressure self-tightening bonnet) 900LB~2500LB

List of standard materials

No.
Part name
CStoASTM
AStoASTM
SStoASTM
A105
F22
F304 (L)
F316 (L)
1
Body
A105
A182F22
A182F304 (L)
A182F316 (L)
2
Seat
A276420
A276304
A276304 (L)
A276316 (L)
3
Gate
A182F430 & 410
A182F304
A182F304 (L)
A182F316 (L)
4
Stem
A182F6
A182F304
A182F304 (L)
A182F316 (L)
5
Sealing nut
A105
A182F304
A182F304 (L)
F316 (L)
6
Sealing ring
A216 304L
A276316L
7
Bonnet
A105
A182F22
A182F304 (L)
A182F316 (L)
8
Eyelet bolt
A193B7
A193B16
A193B8 (M)
9
Pin
A276F420
A182F304 (L)
10
Packing
Flexible graphite
PTFE
11
Enhance the bolts
A1942H
A1944
A1948
A1948M
12
Gland
A276F420
A182F304
13
Filler plate
A216WCB
A182F304
14
Screw nut
A1942H
A1944
A1948
A1948M
15
Stem nut
A276-410
16
Fixing nut
A1942H
A1944
A1948
A1948M
17
Handwheel
A197
18
Locknut
A1942H
A1944
A1948
A1948M
19
Nozzle
Copper
For media
Water, steam, oil, etc.
Water, steam, oil, etc.
Nitric acid, acetic acid, etc.
Temperature
-29 ℃ ~ 425 ℃
-29 ℃ ~ 550 ℃
-29 ℃ ~ 200 ℃

Note: Other materials required by customers may also be adopted. Matching of materials used on the sealing surface shall be determined in accordance with the inner part code designated by customers.

CS=carbon steel; AS=alloy steel; SS=stainless steel

Dimension (mm) and weight (kg)

NPS
1/2 "
3/4 "
1 "
11/4 "
11/2 "
2 "
L
900LB-1500LB
140
140
140
178
178
216
2500LB
186
186
186
232
232
279
H (open)
321
321
321
380
414
502
W
160
160
180
200
250
280
Weight
900LB-1500LB
11.5
10.8
10.5
19.6
21.0
55.4
2500LB
12.3
11.6
10.8
26.0
28.4
60.0

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