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Cut-off valve the design and the manufacture conforms to API602 and ASME B16.34.Examination and test according to API 598, mark according to MSS-SP-25. Below uses the structure
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Full bore or reducing
Ming Ganzhi posture (OS&Y)
The self-centering clamp presses the model
The bold fastening, twines the filling piece sealed type valve cover, the nut connection, all welds the sealed type valve cover as well as the screw joint intrinsic pressure from the tight valve cover
In integral type seal place
Receives the spigot end to conform to ASME B16.11
The thread coupling end (NPT) conforms to ANSI/ASME B1.20.1
Related pressure |
 |
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Forging steel cut-off valve 800Lb
Standard material quality thin table
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|
|
CStoASTM
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AStoASTM
|
SStoASTM
|
|
A105
|
F22
|
F304(L)
|
F316(L)
|
|
1
|
|
A105
|
A182F22
|
A182F304(L)
|
A182F316(L)
|
|
2
|
seat
|
A276420
|
A276304
|
A276304(L)
|
A276316(L)
|
|
3
|
wedge
|
A182F430&410
|
A182F304
|
A182F304(L)
|
A182F316(L)
|
|
4
|
stem
|
A182F6
|
A182F304
|
A182F304(L)
|
A182F316(L)
|
|
5
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gasket
|
316¼ÐÈáÐÔʯī
|
316¼ÐPTFE
|
|
6
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bonnet
|
A105
|
A276f304
|
A276F304(L)
|
A276F316(L)
|
|
7
|
|
A193B7
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A193B16
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A193B8
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A193B8M
|
|
8
|
|
A276420
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A276 304
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|
9
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packing gland
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A276410
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A182F304(L)
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A182F316(L)
|
|
10
|
|
A193B7
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A193B16
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A193B8
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A193B8M
|
|
11
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gland flange
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A105
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A182F11
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A182F304(L)
|
A182F316(L)
|
|
12
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stem nut
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A1942H
|
A1944
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A1948
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A1948M
|
|
13
|
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A276420
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|
14
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A1942H
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A1944
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A1948
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A1948M
|
|
15
|
|
SS
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|
16
|
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A197
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|
17
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gasket
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A473431
|
|
|
18
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packing
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|
PTFE
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|
|
Water, steam, oil quality and so on
|
Water, steam, oil quality and so on
|
Nitric acid, acetic acid and so on
|
Attention: The customer demand other material qualities also may useThe packing surface material pairs the customer to assign the contents code number decision
CS= carbon steel; AS= alloy steel; SS= stainless steel;
Size (MM) and weight (KG)
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NPS
|
|
3/8″
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1/2″
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3/4″
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1″
|
11/4″
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11/2″
|
2″
|
|
|
|
|
3/8″
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1/2″
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3/4″
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1″
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11/4″
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11/2″
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2″
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|
L
|
79
|
79
|
92
|
111
|
120
|
120
|
140
|
178
|
|
H(¿ª)
|
158
|
158
|
169
|
197
|
236
|
246
|
283
|
330
|
|
W
|
100
|
100
|
100
|
125
|
160
|
160
|
180
|
200
|
|
|
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2.1
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2.0
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2.3
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4.3
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5.9
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6.9
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11.1
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15.2
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|
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1.8
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1.7
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2.0
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3.8
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5.1
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6.1
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10.2
|
14.2
|
|
 |
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Forging steel gate valve 900Lb ~ 1500lb
Standard material quality detailed list of specifications
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Serial number
|
Components name
|
CStoASTM
|
AStoASTM
|
SStoASTM
|
|
A105
|
F22
|
F304 (L)
|
F316 (L)
|
|
1
|
Valve body
|
A105
|
A182F22
|
A182F304 (L)
|
A182F316 (L)
|
|
2
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Valve seat
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A276420
|
A276304
|
A276304 (L)
|
A276316 (L)
|
|
3
|
Damper plate
|
A182F430&410
|
A182F304
|
A182F304 (L)
|
A182F316 (L)
|
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4
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Valve lever
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A182F6
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A182F304
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A182F304 (L)
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A182F316 (L)
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5
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Filling piece
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316 clamps the flexible graphite
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316 clamps PTFE
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6
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Valve cover
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A105
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A182F22
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A182F304 (L)
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A182F316 (L)
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7
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Bolt
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A193B7
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A193B16
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A193B8
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A193B8M
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8
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Feather piece
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A276420
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A182F304
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|
9
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The padding presses the wrap
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A276410
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A182F304 (L)
|
A182F316 (L)
|
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10
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Swing bolt
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A193B7
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A193B16
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A193B8
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A193B8M
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11
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Padding clamp
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A105
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A182F11
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A182F304 (L)
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A182F316 (L)
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12
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Nut
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A1942H
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A1944
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A1948
|
A1948M
|
|
13
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Valve stem nut
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A276420
|
|
14
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Locks the nut
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A1942H
|
A1944
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A1948
|
A1948M
|
|
15
|
Data plate
|
SS
|
|
16
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Handwheel
|
A197
|
|
17
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Filling piece
|
A473431
|
|
18
|
Padding
|
Flexible graphite
|
PTFE
|
|
Is suitable the medium
|
Water, steam, oil quality and so on
|
Water, steam, oil quality and so on
|
Nitric acid, acetic acid and so on
|
Attention: The customer demand other material qualities also may useThe packing surface material pairs the customer to assign the contents code number decision
CS= carbon steel; AS= alloy steel; SS= stainless steel;
Size (MM) and weight (KG)
|
NPS
|
Reducing
|
3/8 “
|
1/2 “
|
3/4 “
|
1 “
|
1,1/4 “
|
1,1/2 “
|
2 “
|
|
|
Full bore
|
|
3/8 “
|
1/2 “
|
3/4 “
|
1 “
|
1,1/4 “
|
1,1/2 “
|
2 “
|
|
L
|
92
|
111
|
111
|
120
|
120
|
140
|
178
|
210
|
|
H (opens)
|
169
|
197
|
197
|
236
|
246
|
283
|
330
|
354
|
|
W
|
100
|
125
|
125
|
160
|
160
|
180
|
200
|
240
|
|
Weight
|
Bolt type
|
2.5
|
4.3
|
4.2
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6.6
|
8.8
|
12.5
|
17.2
|
23.5
|
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Welding type
|
2.4
|
4.2
|
4.0
|
6.3
|
8.7
|
12.1
|
17.2
|
22.0
|
|
 |
|
From seals forging steel gate valve 900Lb ~ 2500lb
Standard material quality detailed list of specifications
|
Serial number
|
Components name
|
CStoASTM
|
AStoASTM
|
SStoASTM
|
|
A105
|
F22
|
F304 (L)
|
F316 (L)
|
|
1
|
Valve body
|
A105
|
A182F22
|
A182F304 (L)
|
A182F316 (L)
|
|
2
|
Valve seat
|
A276420
|
A276304
|
A276304 (L)
|
A276316 (L)
|
|
3
|
Damper plate
|
A182F430&410
|
A182F304
|
A182F304 (L)
|
A182F316 (L)
|
|
4
|
Valve lever
|
A182F6
|
A182F304
|
A182F304 (L)
|
A182F316 (L)
|
|
5
|
Seals the nut
|
A105
|
A182F304
|
A182F304 (L)
|
F316 (L)
|
|
6
|
Packing ring
|
A216 304L
|
A276316L
|
|
7
|
Valve cover
|
A105
|
A182F22
|
A182F304 (L)
|
A182F316 (L)
|
|
8
|
Swing bolt
|
A193B7
|
A193B16
|
A193B8 (M)
|
|
9
|
Feather piece
|
A276F420
|
A182F304 (L)
|
|
10
|
Padding
|
Flexible graphite
|
PTFE
|
|
11
|
Promotes the bolt
|
A1942H
|
A1944
|
A1948
|
A1948M
|
|
12
|
The padding presses the wrap
|
A276F420
|
A182F304
|
|
13
|
Padding clamp
|
A216WCB
|
A182F304
|
|
14
|
Nut
|
A1942H
|
A1944
|
A1948
|
A1948M
|
|
15
|
Valve stem nut
|
A276-410
|
|
16
|
Fixing nut
|
A1942H
|
A1944
|
A1948
|
A1948M
|
|
17
|
Handwheel
|
A197
|
|
18
|
Locks the nut
|
A1942H
|
A1944
|
A1948
|
A1948M
|
|
19
|
Glib
|
Copper
|
|
Is suitable the medium
|
Water, steam, oil quality and so on
|
Water, steam, oil quality and so on
|
Nitric acid, acetic acid and so on
|
Attention: The customer demand other material qualities also may useThe packing surface material pairs the customer to assign the contents code number decision
CS= carbon steel; AS= alloy steel; SS= stainless steel;
Size (MM) and weight (KG)
|
NPS
|
1/2″
|
3/4″
|
1″
|
11/4″
|
11/2″
|
2″
|
|
L
|
900Lb-150Lb
|
140
|
140
|
140
|
178
|
178
|
216
|
|
2500Lb
|
186
|
186
|
186
|
232
|
232
|
279
|
|
H(¿ª)
|
321
|
321
|
321
|
380
|
414
|
502
|
|
W
|
160
|
160
|
180
|
200
|
250
|
280
|
|
|
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
|
|
|
