Beijing Metalco Industry International Co.,Ltd
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Wafer Dual Plated Check Valve

   

Main parts and materials

Parts Name 
Material
Body
Cast Iron/Ductile Iron
Stem
Carbon Steel/Stainless Steel
Spring 
Stainless Steel
Disc
Ductile iron/WCB/Stainless steel

Outline and connecting measurement

DN
D
D1
L
R
T
50
107
65
43
28.8
19
65
127
80
46
36.1
20
80
142
94
64
43.4
28
100
162
117
64
52.8
27
125
192
145
70
65.7
30
150
218
170
76
78.6
31
200
273
224
89
104.4
33
250
328
265
114
127
50
300
378
310
114
148.3
43
350
438
360
127
172.4
45
400
489
410
140
197.4
52
450
539/555
450
152
217.8
58
500
594
505
152
241
58
600
690
624
178
295.4
73
700
800
720
229
354
98

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