Wafer double disc Check Valve
Technical specificastion
Design Standard
|
API 594, API 6D, JB/T8937
|
Face to Face
|
API 594, API 6D, JB/T8937, DIN3202
|
Flange Ends
|
ANSI B16.5, DIN2543~48, JB/T9112~24
|
Test & Inspection
|
API598, DIN3230, JB/T9092
|
Standard Material Specifications
NO.
|
Part Name
|
WCB(A105)
|
CF8(304)
|
CF3(304L)
|
CF8M(316)
|
CF3M(316L)
|
1
|
Body
|
WCB(A105)
|
CF8(304)
|
CF3(304L)
|
CF8M(316)
|
CF3M(316L)
|
2
|
Disc
|
WCB/CF8
|
CF8
|
CF3
|
CF8M
|
CF3M
|
3
|
Stem
|
2Cr13
|
304
|
304L
|
316
|
316L
|
4
|
Spring
|
0Cr18Ni9
|
0Cr18Ni9
|
00Cr19Ni10
|
0Cr17Ni12Mo2
|
0Cr17Ni14Mo2
|
Suitable Medium
|
W.O.G.etc
|
HNO3,CH2OOH etc
|
Suitable Temperature
|
-29~425 oC
|
-196~540 oC
|
Dimension & Weight (mm&Kg)
Class
|
SIZE
|
2"
|
21/2"
|
3"
|
4"
|
5"
|
6"
|
8"
|
10"
|
12"
|
14"
|
16"
|
18"
|
20"
|
24"
|
150
|
D
|
105
|
124
|
137
|
175
|
197
|
222
|
279
|
340
|
410
|
451
|
515
|
550
|
607
|
718
|
L
|
60
|
67
|
73
|
73
|
86
|
98
|
127
|
146
|
181
|
185
|
191
|
203
|
219
|
223
|
d
|
60
|
73
|
89
|
114
|
141
|
168
|
219
|
273
|
324
|
360
|
412
|
440
|
484
|
572
|
Weight
|
2.5
|
3.5
|
4.4
|
6.5
|
10
|
12
|
25
|
43
|
58
|
80
|
118
|
210
|
240
|
410
|
300
|
D
|
112
|
130
|
149
|
181
|
216
|
251
|
309
|
361
|
422
|
484
|
540
|
|
|
|
L
|
60
|
67
|
73
|
73
|
86
|
98
|
127
|
146
|
181
|
223
|
232
|
|
|
|
d
|
64
|
77
|
94
|
120
|
146
|
175
|
226
|
280
|
332
|
368
|
420
|
|
|
|
Weight
|
3
|
4.2
|
5.3
|
7.8
|
12
|
13.2
|
30
|
51
|
88
|
128
|
169
|
|
|
|
600
|
D
|
110
|
129
|
148
|
192
|
265
|
319
|
399
|
456
|
|
|
|
|
|
|
L
|
61
|
67
|
73
|
80
|
137
|
165
|
213
|
229
|
|
|
|
|
|
|
d
|
64
|
77
|
94
|
120
|
146
|
175
|
226
|
280
|
|
|
|
|
|
|
Weight
|
3.5
|
5
|
7
|
12
|
35
|
45
|
77
|
110
|
|
|
|
|
|
|
900
|
D
|
142
|
164
|
167
|
205
|
289
|
359
|
|
|
|
|
|
|
|
|
L
|
70
|
83
|
95
|
102
|
159
|
207
|
|
|
|
|
|
|
|
|
d
|
64
|
77
|
94
|
120
|
146
|
175
|
|
|
|
|
|
|
|
|
Weight
|
6.5
|
9
|
14
|
24
|
43
|
56
|
|
|
|
|
|
|
|
|