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Home> actuator >> accessories >> Self-force differential pressure control valveSelf-force differential pressure control valve
  • Product number:MC-000456004186
  • Product name:Self-force differential pressure control valve
  • Product Type:Self-force differential 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. Mainly used in a variety of industrial furnace gas combustion systems, control mixture ratio flow of a and b fuel. Widely used in oil、chemicals、liquid storage for sealing
Nominal diameter DN（mm）
20
25
32
40
50
65
80
100
Rated flow coefficient  Kv
7
11
20
30
48
75
120
190
Nominal  pressure（MPa）
1.0 1.6
Inherent flow characteristic
Quick 
Min working pressure（MPa）
≥0.01
Section of pressure range （KPa）
0.5～6 　　5～10　 9～15　 12～19　 18～25 　22～30　
28～35 　32～40　 38～50 　48～60　 58～72　 70～100
Working temperature ℃
≤80
Suitable media 
Gas、steam、low-viscosity liquids
Flange size、type
PN10、16、GB9113-88 Convex type
According  to users’ requirements , can choose（example：ANSI、JIS、DIN standard） 
Structure length
GB12221-89 standard
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