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Product Name:Cast Iron Dual Plate Check Valve
Cast Iron Dual Plate Check Valve
Specification
Design Standard: API 594
Face to face according to API 594 etc.
Flange drilling according to ANSI125/150; DIN2501PN10/PN16;AS2129 Table E; JIS10K etc.
Working Pressure: PN10; PN16; 150LB  
Materials: ASTM A126A(B); WCB;CF8; CF8M; CF3M etc.
Size: DN50-DN350
 
Application
 Valve is used for preventing the back-going of medium in pipelines and equipments, and the pressure of medium will bring the result of opening and closing automatically.When the medium is back-going, valve disc will automaticaly closed to avoid accidents.
 
Materials
NO.
NAME
MATERIAL
1
Body
GG25
2
Disc
SS316
3
Stem
SS410
4
Spring
SS304
5
Washer
PTFE
6
Washer
PTFE
7
Gasket
NBR
8
Hex nut
A193 B
 
Dimensions
DN
D
D1
D2
L
R
t
50
107
65
40
54
27
26.2
65
127
78
60
60
35
30.2
80
137
94
70
67
42
29
100
175
117
88
67
50
27.6
125
187
145
115
83
64
39.2
150
222
171
134
95
77
47
200
279
222
182
127
102.5
66.5
250
340
276
220
140
125
71.5
300
410
328
260
181
146
105.5
350
451
375
298
184.2
170
93
 
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