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Home  >Products Catalog > check valves > class150~class600 1/2"~4" Wafer check valve

class150~class600 1/2"~4" Wafer check valve


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Specifications

Feature:
1. Small in size, light in weight, compact in structure, easy in maintenance.
2. Two torsion springs are used excreting on each of the pair valve plates. Which close the plates quickly and automatically.
3. The quick-close action prevents the medium from flowing back and eliminates water-hammer effect.
4.This valve is short in length, so that it is rigid and easy to mount.
5. It is easy to install on pipeline which is laid horizontally or vertically.
6. This valve is tightly sealed without leakage under the pressure water test.
7. Safe and reliable in operation, high interference-resistance.
8. The connection dimensions of flanges accord with the standards of GB4216-84 GB4216.84
9. The face to face dimensions are in accordance with GB12221-89.ISO5752-82. The stem of the valve should be perpendicular to the horizontal level when the valve is mounted on horizontal pipeline. For vertical installation the direction of flow should be downward.
Standard:
DESIGN & MANUFACTURING:API 594
Face to Face Dimension: ANSI 594
Flanged End Dimension : ANSI B 16.5
Testing & Inspection: API 598
Pressure-temperature conforms to ANSI B 16.34
Structure:
 
Main part
NO
NAME OF PART
1
BODY
2
DISC
3
SPRING
4
SEAT
5
HINGE PIN
6
STOP
Main parts material
NO
NAME OF PART
MATERIAL
1
BODY
A216-WCB
A351-CF8M
2
DISC
A217-CA15
A351-CF8M
3
SPRING
INCONEL X750
INCONEL X750
4
SEAT
410 SS
STELLITE 6
5
HINGE PIN
410 SS
316 SS
6
STOP
410 SS
316 SS
Main Dimensions
CLASS 150 thru 2500 Cast & Stainless Steel Dual Plate Wafer Check Valves
DIMENSIONS & WEIGHTS
SIZE
CLASS
END
FACING
A
B
C
E
STUD SELECTION
WEIGHT
NO
DIA
LENGTH
LB
KG
1.5
(38mm)
150
RF
2
3.375
-
1.97
4
0.5
5
4
1.8
300
RF/RJ-20
2
3.75
-
1.97
4
0.75
6.5
4
1.8
600
RF/RJ-20
2
3.75
-
1.97
4
0.75
6.5
4
1.8
2
(51mm)
150
RF
2.375
4.125
-
2.25
4
0.625
6
7
3.2
300
RF/RJ-23
2.375
4.375
-
2.25
8
0.625
6.875
8
3.2
600
RF/RJ-23
2.375
4.375
-
2.25
8
0.625
6.875
8
3.2
900
RF/RJ-24
2.75
5.625
-
2.25
8
0.875
8.75
18
8.2
1500
RF/RJ-24
2.75
5.625
-
2.25
8
0.875
8.75
18
8.2
2500
RF/RJ-26
2.75
5.75
-
2.25
8
1
10
29
13.1
2.5
(64mm)
150
RF
2.625
4.875
-
2.94
4
0.625
6.375
11
5
300
RF
2.625
5.125
-
2.94
8
0.75
6.875
13
5
3
(76mm)
150
RF
2.875
5.375
2
3.42
4
0.625
7
14
6.4
300
RF
2.875
5.875
2
3.42
8
0.75
8.125
17
7.7
600
RF
2.875
5.875
2
3.42
8
0.75
8.125
17
7.7
900
RF/RJ-31
3.25
6.625
2.375
3.42
8
0.875
9.5
26
11.8
1500
RF/RJ-35
3.25
6.875
2.375
3.42
8
1.125
10.5
28
12.7
2500
RF/RJ-32
3.375
7.75
2.375
3.42
8
1.25
12.25
35
15.9
4
(102mm)
150
RF
2.875
6.875
3.5
4.45
8
0.625
7
21
9.5
300
RF
2.875
7.125
3.5
4.45
8
0.75
8.125
23
10.5
600
RF/RJ-37
3.125
7.625
3.5
4.45
8
0.875
9.5
28
12.7
900
RF/RJ-37
4
8.125
3.25
4.45
8
1.125
11
42
19.1
1500
RF/RJ-39
4
8.25
3.25
4.45
8
1.25
12
45
20.5
2500
RF/RJ-38
4.125
9.25
3.25
4.45
8
1.5
14.625
64
29.1
5
(127mm)
150
RF
3.375
7.75
0
5.875
8
0.75
7.375
28
12.7
300
RF
3.375
8.5
0
5.875
8
0.75
8.125
31
14.1
6
(152mm)
150
RF
3.875
8.75
5.5
6.52
8
0.75
8.25
36
16
300
RF
3.875
9.875
5.5
6.52
12
0.75
9.625
45
20
600
RF/RJ-45
5.375
10.5
3.5
6.52
12
1
12.375
80
36
900
RF/RJ-45
6.25
11.375
3.5
6.52
12
1.125
14
119
54
1500
RF/RJ-46
6.25
11.125
3.5
6.52
12
1.375
16.75
116
52
2500
RF/RJ-47
6.25
12.5
3.5
6.52
8
2
20.5
154
70
8
(203 mm)
150
RF
5
11
6.75
8.13
8
0.75
9.75
80
36
300
RF
5
12.125
6.75
8.13
12
0.875
11.125
88
40
600
RF/RJ-49
6.5
12.625
6.625
8.13
12
1.125
14.5
160
72
900
RF/RJ-49
8.125
14.125
5.125
8.13
12
1.375
17.125
271
122
1500
RF/RJ-50
8.125
13.875
5.125
8.13
12
1.625
20.25
257
116
2500
RF/RJ-51
8.125
15.25
5.625
8.13
12
2
24
293
132
10
(254mm)
150
RF
5.75
13.375
9.25
10.25
12
0.875
11
116
52
300
RF
5.75
14.25
9.25
10.25
16
1
12.75
124
56
600
RF/RJ-53
8.375
15.75
7.875
10.25
16
1.25
17.125
260
118
900
RF/RJ-53
9.5
17.125
7.688
10.25
16
1.375
19
434
196
1500
RF/RJ-54
9.75
17.125
7.25
10.25
12
1.875
23.5
449
203
2500
RF/RJ-55
10
18.75
7.5
10.25
12
2.5
30.5
480
217
12
(305mm)
150
RF
7.125
16.125
10.25
11.82
12
0.875
12.25
215
97
300
RF
7.125
16.625
10.25
11.82
16
1.125
14.625
217
98
600
RF/RJ-57
9
18
9.125
11.82
20
1.25
18
360
164
900
RF/RJ-57
11.5
19.625
8.125
11.82
20
1.375
21.75
644
293
1500
RF/RJ-58
12
20.5
8.25
11.82
16
2
27.5
824
373
2500
RF/RJ-60
12
21.625
8.875
11.82
12
2.75
34.5
870
394
14
(356mm)
150
RF
7.25
17.75
11.25
13.34
12
1
13
270
123
300
RF
8.75
19.125
11.25
13.34
20
1.125
16.5
390
176
600
RF/RJ-61
10.75
19.375
9.125
13.34
20
1.375
20.25
410
186
900
RJ/RJ-62
14
20.5
-
13.34
20
1.5
25.5
872
396
1500
RF/RJ-63
14
22.75
-
13.34
16
2.25
31.5
1068
484
16
(406mm)
150
RF
7.5
20.25
13.063
15.25
16
1
13.5
295
133
300
RF
9.125
21.25
13
15.25
20
1.25
17.375
458
207
600
RF/RJ-65
12
22.25
13
15.25
20
1.5
22.25
728
331
900
RF/RJ-66
15.125
22.625
6.375
15.25
20
1.625
27.125
1174
532
1500
RF/RJ-67
15.125
25.25
6.375
15.25
16
2.5
34.25
1295
587
18
(457mm)
150
RF
8
21.625
15.563
17.25
16
1.125
14.5
312
141
300
RF
10.375
23.5
15.375
17.25
24
1.25
18.875
650
294
600
RF/RJ-69
14.25
24.125
13
17.25
20
1.625
25.25
870
394
900
RF/RJ-70
17.75
25.125
9.625
17.25
20
1.875
34.5
1344
611
1500
RF/RJ-71
18.438
27.75
7.25
17.25
16
2.75
39.75
1745
791
20
(508mm)
150
RF
8.625
23.875
17.25
19.19
20
1.125
15.125
472
215
300
RF
11.5
25.75
17.25
19.19
24
1.25
20.5
801
363
600
RF/RJ-73
14.5
26.875
17
19.19
24
1.625
26.25
1196
544
900
RF/RJ-74
17.75
27.5
16
19.19
20
2
32.5
1406
637
1500
RF/RJ-75
21
29.75
8.25
19.19
16
3
44.25
2812
1275
24
(610mm)
150
RF
8.75
28.25
21.125
22.78
20
1.25
16.25
788
358
300
RF
12.5
30.5
20.625
22.78
24
1.5
22.75
1150
521
600
RF/RJ-77
17.25
31.125
20.063
22.78
24
1.875
30.75
1802
819
900
RF/RJ-78
19.5
33
17.5
22.78
20
2.5
38
2713
1230
1500
RF/RJ-79
22
35.5
15.375
22.78
16
3.5
48.5
5968
2713
26
(660mm)
150
RF
14
30.5
23.5
24.78
24
1.25
23.125
1056
680
300
RF
14
32.875
23.5
24.78
28
1.625
24.75
1619
735
600
RF/RJ-73
18
34.125
22.75
24.78
28
1.875
31.5
1855
842
900
RF/RJ-100
21
34.75
22
24.78
20
2.75
38.75
2605
1182
28
(711mm)
150
RF
15
32.75
25.5
26.78
28
1.25
24.375
1196
544
300
RF
15
35.375
25.5
26.78
28
1.625
26.25
1612
733
600
RF/RJ-94
19
36
24.75
26.78
28
2
33
1916
871
900
RF/RJ-101
22.5
37.25
24
26.78
20
3
41
3170
1441
30
(762mm)
150
RF
12
34.75
25.25
28.93
28
1.25
21
1456
662
300
RF
14.5
37.5
25.25
28.93
28
1.75
26.5
2100
952
600
RF/RJ-95
19.875
38.25
23
28.93
28
2
34.125
3472
1578
900
RF/RJ-102
25
39.75
23
28.93
20
3
44
4024
182
32
(813mm)
150
RF
14
37
25.25
30.87
28
1.5
24.625
1556
707
300
RF
16
39.625
25.25
30.87
28
1.875
28.75
3597
1635
600
RF/RJ-96
21
40.25
24
30.87
28
2.25
36
3835
1743
900
RF/RJ-105
26
42.25
24
30.87
20
3.25
46.25
4475
2034
36
(914mm)
150
RF
14.5
41.25
25.5
34.04
32
1.5
25.875
1505
682
300
RF
19
44
25.5
34.04
32
2
32.5
2799
1269
600
RF/RJ-98
25
44.5
20.75
34.04
28
2.5
45
4664
2120
900
RF/RJ-105
28.25
47.25
14
34.04
20
3.5
50.75
7183
3259
40
(1016mm)
150
RF
17
45.75
34.75
38.87
36
1.5
27.375
1980
900
300
RF
21.5
43.875
29.5
35.78
32
1.625
35
4015
1825
600
RF
26
45.5
29.25
35.78
32
2.25
44.25
8250
3750
900
RF
30
49.25
29
35.78
24
3.5
53.75
8738
3972
42
(1067 mm)
150
RF
17
48
36.813
41.81
36
1.5
28.875
2500
1134
300
RF
22.375
46
32.938
39.98
32
1.625
37
5800
2630
600
RF
27.625
48
25.5
38.26
28
2.5
47.125
6897
3135
900
RF
31
51.25
23
38.26
24
3.5
59.25
8074
3670
48
(1219mm)
150
RF
20.625
54.5
40.813
46.98
44
1.5
33.375
6616
3007
300
RF
24.75
52.125
38
44.73
32
1.875
40.5
8600
3909
600
RF
31
54.75
35
44.73
32
2.75
54
9715
4416
54
(1372mm)
150
RF
23.25
61
43
50.45
44
1.75
38.25
7097
3225
300
RF
28.25
58.75
43
50.45
28
2.25
47.25
8532
3878
60
(1524mm)
150
RF
26
67.5
47.5
55.97
52
1.75
42
9126
4148
300
RF
33
64.75
47.5
55.97
32
2.25
53
11863
5392
66
(1676mm)
150
RF
31
74.25
56.5
65.46
52
1.75
45
16800
7636
72
(1829mm)
150
RF
33.5
80.75
60.25
71.58
60
1.75
48
18900
8590
78
(1981mm)
150
RF
36.5
87
65.5
111
64
2
52
22522
10237
84
(2134mm)
150
RF
41
93.5
69
83.32
64
2
57
28111
12777
Cast & Stainless Steel Flanged - Dual Plate Flabge Check Valves
Flanged Sizes: 8 " thru 48"
Class: 150 thru 900
 
Main Diemnsions
CLASS 150 thru 900 Cast & Stainless Steel Dual Plate Flanged Check Valves
DIMENSIONS & WEIGHTS
SIZE
CLASS
A
B
C
E
STUD SELECTION
WEIGHT
NO
DIA
LENGTH
LB
KG
8
(203mm)
150
5
13.5
6.75
8.13
8
0.75
5
109
49
10
(254mm)
150
5.75
16
9.25
10.25
12
0.875
5.125
182
82
600
8.375
20
7.875
10.25
16
1.25
8.75
404
183
900
9.5
21.5
7.688
10.25
16
1.375
9.5
448
203
12
(305mm)
150
7.125
19
10.25
11.82
12
0.875
5.5
276
125
300
7.125
20.5
10.25
11.82
16
1.125
7.5
338
153
600
9
22
9.125
11.82
20
1.25
9
527
239
900
11.5
24
8.125
11.82
20
1.375
10.25
767
347
14
(356mm)
150
7.25
21
11.25
3.34
12
1
6
318
144
300
8.75
23
11.25
13.34
20
1.125
7.75
456
207
600
10.75
23.75
9.125
13.34
20
1.375
9.5
835
378
900
14
25.25
0
13.34
20
1.5
11.25
1235
560
16
(406mm)
150
7.5
23.5
13.063
15.25
16
1
6
388
176
300
9.125
25.5
13
15.25
20
1.25
8.25
664
301
600
12
27
13
15.25
20
1.5
10.25
996
451
900
15.125
27.75
6.375
15.25
20
1.625
11.75
1206
547
18
(457mm)
150
8
25
15.563
17.25
16
1.125
6.5
464
210
300
10.375
28
15.375
17.25
24
1.25
8.5
862
3925
600
14.25
29.25
13
17.25
20
1.625
11
1319
598
900
17.75
31
9.625
17.25
20
1.875
13.5
1842
835
20
(508mm)
150
8.625
27.5
17.25
19.19
20
1.125
7
596
270
300
11.5
30.5
17.25
19.19
24
1.25
9
1080
489
600
14.5
32
17
19.19
24
1.625
11.75
1680
762
900
17.75
33.75
16
19.19
20
2
14.5
3931
1783
24
(610mm)
150
8.75
32
21.125
22.78
20
1.25
7.5
842
381
300
12.5
36
20.625
22.78
24
1.5
10.25
1664
756
600
17.25
37
20.063
22.78
24
1.875
13.5
2520
1143
900
19.5
41
17.5
22.78
20
2.5
18.25
4164
1888
26
(660mm)
150
14
34.25
23.5
24.78
24
1.25
9
2215
1007
300
14
38.25
23.5
24.78
28
1.625
11
2724
1238
600
18
40
22.75
24.78
28
1.875
14.625
3120
1418
900
21
42.75
22
24.78
20
2.75
19.125
4380
1991
28
(711mm)
150
15
36.5
25.5
26.78
28
1.25
9.25
2255
1025
300
15
40.75
25.5
26.78
28
1.625
11.5
2464
1120
600
19
42.25
24.75
26.78
28
2
15.375
3227
1467
900
22.5
46
24
26.78
20
3
20.5
5337
2426
30
(762mm)
150
12
38.75
25.25
28.93
28
1.25
9.5
1745
793
300
14.5
43
25.25
28.93
28
1.75
12
3527
1603
600
19.875
44.5
23
28.93
28
2
16
5379
2445
900
25
48.5
23
28.93
20
3
21.375
6776
3080
32
(813mm)
150
14
41.75
25.25
30.87
28
1.5
10.5
5168
2349
300
16
45.25
25.25
30.87
28
1.875
12.625
6057
2753
600
21
47
24
30.87
28
2.25
17.125
6457
2935
900
26
51.75
24
30.87
20
3.25
22.75
7535
3425
36
(914mm)
150
14.5
46
25.5
34.04
32
1.5
11.25

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.


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