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March  29 , 2024  Friday
Home> actuator >> accessories >> Self-force pressure control valveSelf-force pressure control valve
  • Product number:MC-000456004181
  • Product name:Self-force pressure control valve
  • Product Type:Self-force pressure control valve
  • Product nameplate:SAIC
  • Project Category:actuator >> accessories >>
  • Manufacturer:Shanghai Automation Instrumentation Co., Ltd.
  • Sales unit: Shanghai Automation Instrumentation Marketing Center
  • Information download:Click to enter the download page  
  • Introduction
  • Specifications
ZZYW Self-force micro pressure、differential pressure adjusting valve need not external power, using the energy of media as power source, control and adjust throttling device to automatically regulate, with measuring、performing 、controlling  Comprehensive function, used for no air、no electric fields. Widely used in oil、chemical、power station、light industry、printing and dyeing industries for pressure reducing 、pressure regulating(behind valve)、pressure relief、pressure holding(in front of valve)  automation. According to users’ requirements , can choose different valve spool structures and different actuators to achieve the best controlling effect.
Nominal diameter DN(mm)
20
25
32
40
50
65
80
100
125
150
200
Seat diameter DN(mm)
10
12
15
20
Rated flow coefficient  Kv
1.8
2.4
4.4
4
11
20
30
48
75
120
190
300
480
760
Allowed differential pressure (MPa)
2.5
2.0
1.6
1.0
Nominal pressure(MPa)
1.6 4.0 6.4
inherent flow characteristic
Quick to open
Min differential pressure P(MPa)
0.05
Section of pressure range (KPa)
15~50  40~80  60~100  80~140  120~80
160~220 200~260 240~300 280~350 330~400
380~450 430~500 480~560 540~620 600~700
680~800 780~900 800~1000 900~2000     
Working temperature ℃
liquid≤140; gas ≤80;with condensers and heat sink≤350
Suitable media
gas、steam、low-viscosity liquid
Flange size 、type
PN10、16、40GB9113-88、PN64JB/T7-94;PN10,16 convex ,PN40,64 convex or according to users’ requirements ,choosing other flanges of different standards(example:ANSI、JIS、DIN standard) 
Structure length
According to GB12221-89 standard
With accessories
condenser(for steam media)、heat sink。
Interface signal of actuator
Internal thread M16×1.5
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