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Home> pneumatic valve >> ZM（A/B）P（N）－16Dpneumatic diaphragm low-temperature control valve
  • Product number:MC-000000004308
  • Product name:pneumatic diaphragm low-temperature control valve
  • Product Type:ZM（A/B）P（N）－16D
  • 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
Pneumatic diaphragm low-temperature adjusting valve is the improved product based on single, double-seat adjusting valve. Use long-necked upper cover, make filler work under normal temperature. Suitable for adjusting the media(like liquid oxygen, liquid nitrogen) that temperature in －60～250℃. To ensure adjusting precision, must equip the valve positioner
Structure principle
Pneumatic low-temperature adjusting valve made up of pneumatic diaphragm actuator and single, double-seat valve of low-temperature resistance
The signal pressure form regulator input into the air room of pneumatic diaphragm actuator, produce thrust, drive valve spool, change the flow area of valve, so can adjust the flow of media
Nominal diameter DN（mm）
Single-seat
G3/4”
20
25
32
40
50
65
80
100
125
150
200
Double-seat
—
—
25
32
40
50
65
80
100
125
150
200
Rated flow coefficient KV
Single-seat
0.08
0.12
0.20
0.32
0.50
0.80
1.2
2.0
3.2
5.0
8
12
20
32
50
80
120
200
280
450
Single-seat
—
10
6
25
40
63
100
160
250
400
630
Flow characteristics
Straight line
Straight line；equal percentage
Model of actuator
ZM（A/B）-1
ZM（A/B）-2
ZM（A/B）-2
ZM（A/B）-3
ZM（A/B）-4
ZM（A/B）-5
Travel
10
10
16
25
40
60
Action mode
Air off（B）；air on（K）
Spring range  KPａ
Standard signal：20～100； other signal ：40～200；20～60；60～100
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