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Class 150~300 Dual Disc Swing Check Valve
Class 150~300 Dual Disc Swing Check Valve
Product Description
 

Class 150~300 Dual Disc Swing check valve

Class 150~300
Size: NPS 2"~36"
Design and Manufacture: ANSI B16.34,API 6D
Face to face: API 6D
Test and inspection: API 6D

Standard Material Specifications

Parts
WCB
A352 LCB
A217 WC6
A217 WC9
A217 C5
A217 C12
A351 CF8
A351 CF8M
Body
A216 WCB
A352 LCB
A217 WC6
A217 WC9
A217 C5
A217 C12
A351 CF8
A351 CF8M
Disc
A351 CF8
A351 CF8
A182 F11
A182 F22
A217 C5
A217 C12
A182 F304
A182 F316
Sten
A182 F304
A182 F304
A182 F304
A182 F304
A182 F304
A182 F304
A182 F304
A182 F316
Spring
Stainless steel
Rubber Gasket

EPDM-46~+121
Neoprene-50~+150
NBR-35~+113
Fluororabber-23~+150


Dimensions (mm) And Weights (kg)

Size
D
D1
D2
L
R
t
Weight(Kg)
mm
inch
50
2
107
65
43.3
43
28.8
19
1.5
65
2.5
127
80
60.2
46
36.1
20
2.4
80
3
142
94
66.4
64
43.4
28
3.6
100
4
162
117
90.8
64
52.8
27
5.7
125
5
192
145
116.9
70
65.7
30
7.3
150
6
213
170
144.6
76
78.6
31
9.0
200
8
273
224
198.2
89
104.4
33
17
250
10
323
265
233.7
114
127
50
26
300
12
378
310
283.9
114
148.3

43

42
350
14
438
360
332.9
127
172.4
46
55
400
16
439
410
381.0
140
197.4
52
75
450
18
555
450
419.9
152
217.8
58
101~ 107
500
20
594
505
467.8
152
241
58
111
600
24
690
624
572.6
178
295.4
73
172
700
28
800
720
680
29
354
98
219
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