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Oil-gas separator
   
 
DUZ type check valve series
   
 
DUZ type check valve size shape
   
Model
A
B
C
D
E
F
G
H
m
k
n
j
DUZ-40
100
80
50
40
65
105
125
130
4
9
4
M12
DUZ-50
145
125
90
50
75
110
140
155
8
9
4
M12
DUZ-80
165
145
110
80
110
150
180
195
8
9
4
M16
DUZ-100
165
145
110
100
130
180
210
225
8
9
4
M16



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