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Yongjia Goole Valve Co., Ltd.

Pilot Pressure Regulating Valve, Self Operated Pressure Regulating Valve, China Pressure Regulating Valve manufacturer / supplier in China, offering China Pilot-Operated Automatic Pressure Regulating Valve (GAZZHP), Ductile Iron Y Strainer (GAGL41H), High Pressure Pressure Reducing Valve (GAY43H) and so on.

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China Pilot-Operated Automatic Pressure Regulating Valve (GAZZHP)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Transport Package: Plywood Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: GAZZHP
  • Temperature: Ordinary Temperature
  • Valve Seat: Single-Seat
  • Material: Cast Steel,Stainless Steel
  • Origin: China(Mainland)
  • Certification: ISO, CE
  • Connection: Flange
  • Structure: Spring Diaphragm
  • Trademark: GOOLE, OEM
  • HS Code: 8481804090
Product Description
ZZHP Pilot-operated Automatic Pressure Regulating Valve
Brief Introduction.
ZZHP Pilot-operated Automatic Pressure Regulating Valve is mainly composed of valve,actuator,spring,pilot,pulse tube.It is usually used in petroleum and chemistry industry as a air sealing protecting device of large storage tank.
When the medium flow into detection device,ideally,the force of medium can balance with preload pressure of spring.If  the pressure in storage tank under the set pressure,the pilot valve will open,air flow into main valve actuator through pressure reducing valve and throttle valve to open the main valve,then nitrogen flow into storage tank until the pressure in tank rise to the set pressure.if  the pressure in storage tank rise to set pressure,the preload force of spring will close the pilot valve,accordingly,the actuator will push main valve to close to stop supplying nitrogen.thereby make sure air not leaking and make storage safe.
Field of Application.
Product Name: ZZHP Pilot-operated Automatic Pressure Regulating Valve.
Pressure Rating: 1.6- 4.0 Mpa.
Nominal Diameter: DN25-100 mm.
Body Material: Steel WCB,Stainless Steel.
Standard flanges: DIN, ANSI, JIS.
Main Technical Parameters and Indexes of Performance.
Flow CharacteristicQuick Open
Pressure Regulating Range(Mpa)0.4~0.5,5~10,9~14,13~19,18~24,22~28,27~33,
Regulating Precision±5%
Allowable LeakageIV Class,VI Class.
Main External Dimensions.
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