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Home> pneumatic valve >> ZMBQpneumatic diaphragm cut-off valve
  • Product number:MC-000000004324
  • Product name:pneumatic diaphragm cut-off valve
  • Product Type:ZMBQ
  • Product nameplate:SAIC
  • Project Category:pneumatic valve >>
  • Manufacturer:Shanghai Automation Instrumentation Co., Ltd.
  • Sales unit: Shanghai Automation Instrumentation Marketing Center
  • Information download:Click to enter the download page  
  • Introduction
  • Specifications
ZMBQ pneumatic diaphragm cut-off valve, use top-guide structure, equipped with multi-spring actuator. Impact structure, light weight, flexible action, S-type fluid channel, little loss of pressure drop, large capacity of valve, convenient assembly
Cut-off valve receive signal from automatic regulation instrument, cut-off, open or change flow direction of media, achieve automatic control and remote control of petroleum, chemical, metallurgy, power, light industry, textile
Nominal diameter DN（mm）
15
20
25
32
40
50
65
80
100
125
150
200
Rated flow coefficient（KV）
Single-seat、double-seat
5
7
11
20
30
48
75
120
190
300
480
760
Sleeve
 
11
20
30
48
75
120
180
300
480
760
Nominal diameter （MPa）
1.0 1.6 4.0 6.4
Rated travel （mm）
8
12
20
25
40
50
Active area （C㎡）
ZMQ
100
200
400
600
1000
ZSQ
100
125
160
250
Allowed leakage
Hard sealing 1/h
General ：10ˉ4×rated capacity；
Strict：single、double-seat：1.2×10ˉ7, sleeve5×10ˉ6×rated capacity
Soft sealing
VI level
Allowed pressure difference
（MPa）
PZMQ positive action  N
6.4
5.09
2.91
1.85
2.18
1.33
1.52
0.99
0.62
0.60
0.69
0.39
 
PZMQ negative action N
6.4
6.4
3.88
2.47
0.91
1.77
2.03
1.32
0.83
0.80
0.92
0.52
 
P
ZSQ
N
6.4
6.1
3.5
2.3
3.0
1.9
1.9
1.5
0.93
0.84
0.65
0.47
 
M
ZQM
S
Nominal pressure
ZMQ
0 or 250
ZQM
0 or 400～600
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