-
Design and manufacture according to API 6D.
-
The inspection and testing of valves are in accordance with the provisions of API 598.
-
The structural length of the valve is in accordance with GB / T12224-2005.
-
The connection size is in accordance with GB / T12224-2005.
-
The pressure-temperature reference is in accordance with ASME B16.34.
-
Valve markings are in accordance with GB / T12220.
-
Valve sulfur resistance according to NACE MR 0175 regulations.
|
Serial number
|
name
|
material
|
Serial number
|
name
|
material
|
|
1
|
cap
|
ASTM A105
|
twenty one
|
Thrust bearing
|
PTFE
|
|
2
|
Valve body
|
ASTM A105
|
twenty two
|
Plain bearing
|
304 + PTFE
|
|
3
|
Sphere
|
ASTM A105 + ENP
|
twenty three
|
Upper support
|
ASTM A105
|
|
4
|
Anti-static spring
|
Assembly
|
twenty four
|
O-ring
|
VITON
|
|
5
|
Thrust bearing
|
PTFE
|
25
|
O-ring
|
VITON
|
|
6
|
Plain bearing
|
304 + PTFE
|
26
|
Y-shaped seal ring
|
VITON
|
|
7
|
Lower stem
|
ASTM A105
|
27
|
Fireproof mat
|
SS304 + Graphite
|
|
8
|
Bottom cover
|
ASTM A105
|
28
|
filler
|
graphite
|
|
9
|
Drain valve
|
ASTM A105 + ENP
|
29
|
Socket head cap screws
|
ASTM A193 B7
|
|
10
|
O-ring
|
VITON
|
30
|
Socket head cap screws
|
ASTM A193 B7
|
|
11
|
Fireproof mat
|
SS304 + Graphite
|
31
|
Stem
|
ASTM A182 F6a
|
|
12
|
Socket head cap screws
|
ASTM A193 B7
|
32
|
Cylindrical pin
|
35
|
|
13
|
Footrest
|
A3
|
33
|
Stud
|
ASTM A193 B7
|
|
14
|
Seat
|
PPL
|
34
|
Nuts
|
ASTM A194 2H
|
|
15
|
Valve seat fire cushion
|
SS304 + Graphite
|
35
|
Spring washer
|
65Mn
|
|
16
|
Spring support
|
ASTM A105
|
36
|
Land
|
ASTM A105
|
|
17
|
spring
|
17-7PH
|
37
|
Flat key
|
45
|
|
18
|
O-ring
|
VITON
|
38
|
turbine
|
ASTM A105-HZn
|
|
19
|
Seat support ring
|
ASTM A105 + ENP
|
39
|
Vent valve
|
ASTM A105-HZn
|
|
20
|
Plain bearing
|
304
|
|
DN
|
L (RF)
|
L (WE)
|
D1
|
D2
|
H1 (handle)
|
H1 (Turbo)
|
W (handle)
|
W (Turbo)
|
|
15
|
150
|
210
|
27
|
48
|
64
|
–
|
129
|
–
|
|
20
|
160
|
230
|
34
|
60
|
76
|
–
|
159
|
–
|
|
25
|
180
|
230
|
42
|
76
|
85
|
–
|
159
|
–
|
|
32
|
200
|
260
|
48
|
89
|
95
|
–
|
245
|
–
|
|
40
|
230
|
300
|
60
|
89
|
124
|
–
|
245
|
–
|
|
50
|
270
|
300
|
76
|
114
|
162
|
–
|
30
|
–
|
|
65
|
280
|
300
|
89
|
140
|
175
|
–
|
320
|
–
|
|
80
|
300
|
325
|
114
|
168
|
192
|
169
|
450
|
–
|
|
100
|
350
|
325
|
141
|
203
|
205
|
183
|
450
|
230
|
|
125
|
350
|
350
|
168
|
219
|
225
|
203
|
450
|
230
|
|
150
|
400
|
400
|
219
|
273
|
245
|
224
|
1000
|
230
|
|
200
|
502
|
521
|
273
|
351
|
285
|
262
|
1000
|
320
|
|
250
|
568
|
560
|
325
|
426
|
348
|
322
|
1500
|
350
|
|
300
|
648
|
635
|
377
|
508
|
355
|
350
|
|
DN
|
L (RF)
|
L (WE)
|
D1
|
D2
|
H1
|
H2
|
W
|
|
150
|
403
|
457
|
219
|
273
|
246
|
193
|
280
|
|
200
|
502
|
521
|
273
|
351
|
285
|
238
|
320
|
|
250
|
568
|
560
|
325
|
426
|
323
|
278
|
320
|
|
300
|
648
|
635
|
377
|
508
|
365
|
315
|
400
|
|
350
|
762
|
762
|
426
|
580
|
410
|
370
|
400
|
|
400
|
838
|
838
|
480
|
675
|
457
|
425
|
450
|
|
450
|
914
|
914
|
530
|
740
|
495
|
465
|
450
|
|
500
|
991
|
991
|
630
|
805
|
540
|
495
|
500
|
|
600
|
1143
|
1143
|
735
|
975
|
640
|
580
|
500
|
|
700
|
1346
|
1346
|
830
|
1130
|
715
|
660
|
500
|
|
800
|
1524
|
1524
|
930
|
1270
|
785
|
730
|
500
|
|
900
|
1727
|
1727
|
1036
|
1425
|
860
|
820
|
800
|
|
1000
|
1900
|
1840
|
1236
|
1625
|
970
|
920
|
800
|

