Product Main

Specifications

Feature:
1. Design and manufacture of ptoduct according to American state standard ANSI B16.34, American petroleum institute standard API6D.
2. Small opening pressure, the disc can be opened fully with a very small pressure differential.
3. Rocker and hinge pin use inside-set design, reduces outer leakage point.
4.The body and bonnet of class 1500~Class 900 check valve is connected with stud. And the body and bonnet of class 1500~class 2500 check valve pressure seat structure to make product bulk small, weight light, seal credible.
Standard:
DESIGN & MANUFACTURING:API 6D& ANSI B16.34 & BS1868
Face to Face Dimension: ANSI B 16.10
Flanged End Dimension : ANSI B 16.5 Or MSS SP-44 for 26” & up
Testing & Inspection: API 598
Pressure and temperature: ANSI B16.34
Structure:
 
Main parts
NO
NAME OF PART
1
BODY
2
COVER
3
DISC
4
BODY SEAT RING
5
HINGE PIN
7
ARM
8
DISC NUT
9
DISC WASHER
11
BONNET BOLT
12
BONNET NUT
19
EYE BOLT
20
SPLIT PIN
21
PLUG GASKET
22
GASKET
24
PLUG
Main parts material
NO
NAME OF PART
ASTM SPECIFICATION
CARBON STEEL
HIGH TEMPERATURE SERVICE
LOW TEMPERATURE SERVICE
STAINLESS STEEL
1
BODY
A216-WCB
A217-WC6
A217-WC9
A217-C5
A352-LCB/LC2/LC3
CF8M
CF8C
2
COVER
A216-WCB
A217-WC6
A217-WC9
A217-C5
A352-LCB/LC2/LC3
CF8M
CF8C
3
DISC
A217-CA15
A217-WC6
A217-WC9
A217-C5
A352-LCB/LC2/LC3
CF8M
CF8C
4
BODY SEAT RING
Al 05 + HARD FACE
A182-F11
A182-F22
A182-F5a
A182-F304
F316
F347
5
HINGE PIN
A276-410
A276-410
A276-410
A276-410
A276-304
F316
F347
7
ARM
A216-WCB
A217-WC6
A217-WC9
A217-C5
A352-LCB/LC2/LC3
CF8M
CF8C
8
DISC NUT
AISI 304
F316
F347
9
DISC WASHER
AISI 304
F316
F347
11
BONNET BOLT
A193-B7
A193-B16
A193-B16
A193-B16
A320-L7
A193-B8
A193-B8
12
BONNET NUT
A194-2H
A194-4
A194-4
A194-4
A194-4
A194-8
A194-8
19
EYE BOLT
A105
SS
SS
20
SPLIT PIN
AISI 304
F316
F347
21
PLUG GASKET
COMMERCIAL
22
GASKET
COMMERCIAL
24
PLUG
A105
F316
F316
Main Diemensions

CLASS 150 - Cast & Stainless Standard Swing Check Valves
DIMENSIONS & WEIGHTS
SIZE
in
2
2.5
3
4
6
8
10
12
14
16
18
20
24
28
30
36
mm
51
64
76
102
152
203
254
305
356
406
457
508
610
711
762
914
A1
(RF)
in
8.0
8.5
9.5
11.5
16.0
19.5
24.5
27.5
31.0
36.0
38.5
38.5
51.0
57.0
60.0
77.0
mm
203
216
241
292
356
495
622
698
787
864
978
978
1295
1448
1524
1956
A2
(RTJ)
in
5.8
6.4
6.9
8.3
11.3
13.6
16.7
19.5
23.8
25.6
27.9
29.6
38.5
40.0
45.2
53.1
mm
147
163
176
210
288
346
424
496
605
649
708
752
978
1016
1149
1349
A3
(BW)
in
8.0
8.5
9.5
11.5
16.0
19.5
24.5
27.5
31.0
36.0
38.5
38.5
51.0
57.0
60.0
77.0
mm
203
216
241
292
356
495
622
698
787
864
978
978
1295
1448
1524
1956
H2
in
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
mm
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
WGT
(RF)
Ib
35
49
66
97
172
260
520
758
930
1398
1799
2165
3925
4520
4644
7387
kg
16
22
30
44
78
118
236
344
422
634
816
982
1780
2050
2108
3350
WGT
(BW)
lb
26
33
46
57
137
201
450
646
776
1195
1579
1879
3528
4300
4424
6946
kg
12
15
21
26
62
91
204
293
352
542
716
852
1600
1950
2008
3150
CLASS 300 - Cast & Stainless Standard Swing Check Valves
DIMENSIONS & WEIGHTS
SIZE
in
2
2.5
3
4
6
8
10
12
14
16
18
20
24
28
30
36
mm
51
64
76
102
152
203
254
305
356
406
457
508
610
711
762
914
A1
(RF)
in
10.5
11.5
12.5
14.0
17.5
21.0
24.5
28.0
33.0
34.0
38.5
40.0
53.0
59.0
62.75
82.0
mm
267
292
318
356
444
533
622
711
838
864
978
1016
1346
1499
1594
2083
A2
(RTJ)
in
11.12
12.12
13.12
14.62
18.12
21.62
25.12
28.62
33.62
34.62
39.12
40.75
53.88
60.0
63.75
83.12
mm
283
308
333
371
460
549
638
111
854
880
994
1035
1368
1524
1619
2108
A3
(BW)
in
10.5
11.5
12.5
14.0
17.5
21.0
24.5
28.0
33.0
34.0
38.5
40.0
53.0
59.0
62.75
82.0
mm
267
292
318
356
444
533
622
711
838
864
978
1016
1346
1499
1594
2083
H2
in
6.4
7.1
7.8
8.7
12.8
14.5
18.6
20.9
22.8
27.4
31.4
30.6
39.6
45.2
50.0
60.6
mm
163
180
197
220
326
368
473
530
580
695
797
776
1007
1149
1270
1540
WGT
(RF)
lb
53
82
99
150
302
485
595
1092
1498
2095
2646
3305
4851
6174
7497
11025
kg
24
37
45
68
137
220
270
495
680
950
1200
1500
2200
2800
3400
5000
WGT
(BW)
lb
46
77
77
112
242
401
463
1014
1157
1764
2139
2688
3925
5292
6505
9482
kg
21
35
35
51
110
182
210
460
525
800
970
1220
1780
2400
2950
4300
CLASS 600 - Cast & Stainless Standard Swing Check Valves
DIMENSIONS & WEIGHTS
SIZE
in
2
2.5
3
4
6
8
10
12
14
16
18
20
24
28
30
mm
51
64
76
102
152
203
254
305
356
406
457
508
610
711
762
A1
(RF)
in
11.5
13.0
14.0
17.0
22.0
26.0
31.0
33.0
35.0
39.0
43.0
47.0
55.0
63.0
65.0
mm
292
330
356
432
559
660
787
838
889
991
1092
1194
1397
1600
1651
A2
(RTJ)
in
11.62
13.12
14.12
17.12
22.12
26.12
31.12
33.12
35.12
39.12
43.12
47.25
55.38
63.5
65.5
mm
295
333
359
435
562
664
791
841
892
994
1095
1200
1407
1613
1664
A3
(BW)
in
11.5
13.0
14.0
17.0
22.0
26.0
31.0
33.0
35.0
39.0
43.0
47.0
55.0
63.0
65.0
mm
292
330
356
432
559
660
787
838
889
991
1092
1194
1397
1600
1651
H2
in
8.0
8.6
10.0
12.5
15.6
20.8
24.6
23.8
26.1
32.0
37.8
40.5
47.3
53.1
56.3
mm
202
219
253
318
397
529
625
604
664
812
960
1029
1202
1349
1429
WGT
(RF)
lb
88
121
159
254
551
926
1349
1786
2426
3638
3969
6168
7197
9041
11025
kg
40
55
72
115
250
420
612
810
1100
1650
1800
2800
3264
4100
5000
WGT
(BW)
lb
68
99
132
176
452
805
1085
1577
1940
2955
3197
5177
5654
7718
9482
kg
31
45
60
80
205
365
492
715
880
1340
1450
2350
2564
3500
4300
CLASS 900 - Cast & Stainless Standard Swing Check Valves
DIMENSIONS & WEIGHTS
SIZE
in
2
2.5
3
4
6
8
10
12
14
16
18
20
24
28
30
mm
51
64
76
102
152
203
254
305
356
406
457
508
610
711
762
A1
(RF)
in
14.5
16.5
15.0
18.0
24.0
29.0
33.0
38.0
40.5
44.5
48.0
52.0
61.0
69.0
73.0
mm
368
419
381
457
610
737
838
965
1029
1130
1219
1321
1549
1753
1854
A2
(RTJ)
in
14.62
16.62
15.12
18.12
21.12
29.12
33.12
38.12
40.88
44.88
48.5
52.5
61.75
69.9
73.9
mm
371
422
384
460
613
740
841
968
1038
1140
1232
1333
1568
1775
1876
A3
(BW)
in
14.5
16.5
15.0
18.0
24.0
29.0
33.0
38.0
40.5
44.5
48.0
52.0
61.0
69.0
73.0
mm
368
419
381
457
610
737
838
965
1029
1130
1219
1321
1549
1753
1854
H2
in
13.1
13.7
12.6
16.7
18.9
22.2
28.3
30.7
31.8
33.0
36.3
41.4
47.2
55.1
61.8
mm
333
349
321
423
479
565
721
781
807
838
921
1051
1200
1400
1569
WGT
(RF)
Ib
154
243
2423
471
838
1375
2536
3197
3859
5336
7166
8820
12789
17309
19955
kg
70
110
110
214
380
624
1150
1450
1750
2420
3250
4000
5800
7800
9050
WGT
(BW)
lb
110
192
187
383
662
1088
2095
2602
3197
4520
5954
7275
9923
14663
16868
kg
50
87
85
174
300
494
950
1180
1450
2050
2700
3300
4500
6650
7650
CLASS 1500 - Cast & Stainless Standard Swing Check Valves
DIMENSIONS & WEIGHTS
SIZE
in
2
2.5
3
4
6
8
10
12
14
16
18
20
24
mm
51
64
76
102
152
203
254
305
356
406
457
508
610
A1
(RF)
in
14.5
16.5
18.5
21.5
27.75
32.75
39.0
44.5
49.5
54.5
60.5
65.5
76.5
mm
368
419
470
546
705
832
991
1130
1257
1383
1537
1664
1943
A2
(RTJ)
in
14.62
16.62
18.62
21.62
28.0
33.13
39.38
45.12
50.25
55.38
61.38
66.38
77.62
mm
371
422
473
549
711
841
1000
1146
1276
1407
1559
1686
1972
A3
(BW)
in
14.5
16.5
18.5
21.5
27.75
32.75
39.0
44.5
49.5
54.5
60.5
65.5
76.5
mm
368
419
470
546
705
832
991
1130
1257
1383
1537
1664
1943
H2
in
13.1
13.7
15.3
16.5
23.1
26.8
29.8
39.7
40.8
42.0
47.1
51.1
57.1
mm
333
349
389
419
587
680
756
1008
1035
1067
1197
1299
1451
WGT
(RF)
lb
154
243
375
662
1531
2624
4079
7336
7938
10805
14553
17971
25909
kg
70
110
170
300
695
1190
1850
3330
3600
4900
6600
8150
11750
WGT
(BW)
lb
110
192
298
540
1234
2128
3263
6080
6251
8600
11576
14222
19845
kg
50
87
135
245
560
965
1480
2760
2835
3900
5250
6450
9000
CLASS 2500 - Cast & Stainless Standard Swing Check Valves
DIMENSIONS & WEIGHTS
SIZE
in
2
2.5
3
4
6
8
10
12
14
16
mm
51
64
76
102
152
203
254
305
356
406
A1
(RF)
in
17.75
20.0
22.75
26.5
36.0
40.25
50.0
56.0
62.0
68.0
mm
451
508
578
673
914
1022
1270
1422
-
-
A2
(RTJ)
in
17.87
20.25
23.0
26.88
36.5
40.87
50.88
56.88
-
-
mm
454
514
584
683
927
1038
1292
1445
-
-
A3
(BW)
in
17.75
20.0
22.75
26.5
36.0
40.25
50.0
56.0
62.0
68.0
mm
451
508
578
673
914
1022
1270
1422
-
-
H2
in
16.4
16.5
17.4
18.9
20.1
28.0
33.5
39.4
47.2
51.1
mm
416
419
441
479
511
711
851
1000
1200
1299
WGT
(RF)
lb
331
529
772
1433
3197
5623
8710
12569
-
-
kg
150
240
350
650
1450
2550
3950
5700
-
-
WGT
(BW)
lb
265
430
617
1191
2646
4851
6946
10033
13671
17861
kg
120
195
280
540
1200
2200
3150
4550
6200
8100