Wafer Lift 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
|
||||
Main dimension and weight
|
CLASS 150
|
||||||||
|
Size
|
L
|
D
|
D2
|
D3
|
D4
|
D1
|
Weight
(Kg)
|
|
|
mm
|
in
|
|||||||
|
15
|
1/2
|
25
|
46
|
15
|
25
|
25
|
60.5
|
0.28
|
|
20
|
3/4
|
31.5
|
56
|
19
|
30
|
30
|
70
|
0.42
|
|
25
|
1
|
35.5
|
65
|
24
|
36
|
36
|
79.5
|
0.56
|
|
32
|
1-1/4
|
40
|
74
|
31
|
43
|
43
|
89
|
0.75
|
|
40
|
1-1/2
|
45
|
84
|
39
|
52
|
52
|
98.5
|
1.3
|
|
50
|
2
|
56
|
103
|
48
|
62
|
62
|
120.5
|
2.1
|
|
65
|
2-1/2
|
63
|
122
|
62
|
75
|
75
|
139.5
|
2.8
|
|
80
|
3
|
71
|
135
|
76
|
90
|
90
|
152.5
|
3.6
|
|
100
|
4
|
80
|
173
|
95
|
112
|
112
|
190.5
|
4.8
|
|
125
|
5
|
110
|
195
|
110
|
125
|
132
|
216
|
12
|
|
150
|
6
|
125
|
220
|
127
|
150
|
158
|
241.5
|
17
|
|
200
|
8
|
160
|
277
|
165
|
200
|
208
|
298.5
|
29
|
|
CLASS 300
|
||||||||
|
Size
|
L
|
D
|
D2
|
D3
|
D4
|
D1
|
Weight
(Kg)
|
|
|
mm
|
in
|
|||||||
|
15
|
1/2
|
25
|
52
|
15
|
25
|
25
|
66.5
|
0.3
|
|
20
|
3/4
|
31.5
|
65
|
19
|
30
|
30
|
82.5
|
0.46
|
|
25
|
1
|
35.5
|
72
|
24
|
36
|
36
|
89
|
0.6
|
|
32
|
1-1/4
|
40
|
81
|
31
|
43
|
43
|
98.5
|
0.8
|
|
40
|
1-1/2
|
45
|
94
|
39
|
52
|
52
|
114.5
|
1.5
|
|
50
|
2
|
56
|
110
|
48
|
62
|
62
|
127
|
2.4
|
|
65
|
2-1/2
|
63
|
128
|
62
|
75
|
75
|
149
|
3
|
|
80
|
3
|
71
|
147
|
76
|
90
|
90
|
168.5
|
4
|
|
100
|
4
|
80
|
179
|
95
|
112
|
112
|
200
|
5.5
|
|
125
|
5
|
110
|
214
|
110
|
125
|
132
|
235
|
13
|
|
150
|
6
|
125
|
249
|
127
|
150
|
158
|
270
|
22
|
|
200
|
8
|
160
|
305
|
165
|
200
|
208
|
330
|
36
|