Feature：
1. Reliable sealing, a piston effect force the sealing resilent against the ball by the set of preloaded spring.
2. Blow-our proof design, the stem features the design with a backseat.
3. East to maintain, just only need to open the valve bonnet.
Standard:
DESIGN & MANUFACTURING:API 6D
Face to Face Dimension: ANSI B 16.10
Flanged End Dimension: ANSI B 16.5
Test & pressure：ANSI B 16.34
Testing & Inspection: API 598
|
PARTS NAME
|
MATERIALS
|
|
Carbon Steel
|
Low Temp. Steel
|
Stainless Steel
|
|
Body
|
A216-WCB
|
A352-LCB/LCC
|
A351-CF8/CF8M
|
|
Bonnet
|
A216-WCB
|
A352-LCB/LCC
|
A351-CF8/CF8M
|
|
Nut
|
A194-2H/2HM
|
A194 4
|
A194-2HM/8
|
|
Bolt
|
A193-B7/B7M
|
A320 L7
|
A193-B7M/B8
|
|
Gasket
|
304+PTFE
|
304+PTFE
|
304+PTFE
|
|
O-Ring
|
VITON
|
VITON
|
VITON
|
|
Spring
|
INCONELX-750
|
INCONELX-750
|
INCONELX-750
|
|
Seat Ring
|
A105
|
A182 F304/316
|
A182 F304/316
|
|
Seat Insert
|
RPTFE
|
RPTFE
|
RPTFE
|
|
Ball
|
A182-F6A
|
A182-F304
|
A182 F304/316
|
|
Ball Bearing
|
304+PTFE
|
304+PTFE
|
304+PTFE
|
|
Nominal pressure(PN)
|
Nominal diameter(DN)
|
Size(mm)
|
|
L
|
D
|
K
|
d
|
Y
|
b
|
Z-dO
|
Ws
|
Hs
|
Hw
|
Hd
|
|
2"
|
178
|
152
|
120.5
|
92
|
-
|
19
|
4-ф19
|
250
|
195
|
-
|
-
|
|
2(1/2)"
|
190
|
178
|
139.5
|
105
|
-
|
23
|
4-ф19
|
350
|
215
|
-
|
-
|
|
3"
|
203
|
190.5
|
152.5
|
127
|
-
|
24
|
4-ф19
|
500
|
218
|
-
|
-
|
|
4"
|
229
|
229
|
190.5
|
157
|
-
|
24
|
8-ф19
|
800
|
232
|
-
|
-
|
|
5"
|
356
|
254
|
216
|
186
|
-
|
24
|
8-ф22
|
800
|
255
|
-
|
-
|
|
6"
|
394
|
279
|
241.5
|
216
|
-
|
26
|
8-ф22
|
1000
|
340
|
445
|
490
|
|
8"
|
457
|
343
|
298.5
|
270
|
-
|
29
|
8-ф22
|
1200
|
410
|
490
|
540
|
|
10"
|
533
|
406
|
362
|
324
|
-
|
31
|
12-ф25
|
-
|
-
|
560
|
620
|
|
12"
|
610
|
483
|
432
|
381
|
-
|
32
|
12-ф25
|
-
|
-
|
630
|
705
|
|
14"
|
686
|
533
|
476
|
416
|
-
|
35
|
12-ф29
|
-
|
-
|
710
|
790
|
|
16"
|
762
|
597
|
540
|
470
|
-
|
37
|
16-ф29
|
-
|
-
|
840
|
920
|
|
18"
|
864
|
635
|
578
|
533
|
-
|
40
|
16-ф32
|
-
|
-
|
960
|
1060
|
|
20"
|
914
|
699
|
635
|
584
|
-
|
43
|
20-ф32
|
-
|
-
|
1110
|
1230
|
|
Class 300
|
2"
|
216
|
165
|
127
|
92
|
-
|
23
|
8-ф19
|
350
|
210
|
-
|
-
|
|
2(1/2)"
|
241
|
190.5
|
149
|
105
|
-
|
26
|
8-ф22
|
500
|
230
|
-
|
-
|
|
3"
|
283
|
210
|
168.5
|
127
|
-
|
29
|
8-ф22
|
650
|
250
|
-
|
-
|
|
4"
|
305
|
254
|
200
|
157
|
-
|
32
|
8-ф22
|
800
|
260
|
-
|
-
|
|
5"
|
356
|
279
|
235
|
186
|
-
|
35
|
8-ф22
|
1000
|
275
|
-
|
-
|
|
6"
|
403
|
318
|
270
|
216
|
-
|
37
|
12-ф22
|
1200
|
360
|
470
|
520
|
|
8"
|
502
|
381
|
330
|
270
|
-
|
42
|
12-ф25
|
-
|
-
|
515
|
570
|
|
10"
|
568
|
445
|
387.5
|
324
|
-
|
48
|
16-ф29
|
-
|
-
|
585
|
650
|
|
12"
|
684
|
521
|
451
|
381
|
-
|
51
|
16-ф32
|
-
|
-
|
660
|
740
|
|
Class 600
|
2"
|
292
|
165
|
127
|
92
|
-
|
33
|
8-ф19
|
500
|
230
|
-
|
-
|
|
2(1/2)"
|
330
|
190.5
|
149
|
105
|
-
|
36
|
8-ф22
|
650
|
250
|
-
|
-
|
|
3"
|
356
|
210
|
168
|
127
|
-
|
39
|
8-ф22
|
800
|
270
|
-
|
-
|
|
4"
|
432
|
273
|
216
|
157
|
-
|
45
|
8-ф25
|
1000
|
305
|
-
|
-
|
|
5"
|
508
|
330
|
266.5
|
186
|
-
|
52
|
8-ф29
|
1200
|
385
|
-
|
-
|
|
6"
|
559
|
356
|
292
|
216
|
-
|
55
|
12-ф29
|
-
|
-
|
490
|
540
|
|
8"
|
660
|
419
|
349
|
270
|
-
|
63
|
12-ф32
|
-
|
-
|
550
|
600
|
|
10"
|
787
|
508
|
432
|
324
|
-
|
71
|
16-ф35
|
-
|
-
|
620
|
690
|
|
12"
|
838
|
559
|
489
|
381
|
-
|
74
|
20-ф35
|
-
|
-
|
705
|
780
|