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Self-operated pressure regulating valve, ZZYP regulating valve, self-operated regulating valve, pressure regulating valve

Product Code : VF--ZHCC-ZH59-CU

Nominal diameter (mm) 20 - 20

Nominal Pressure (MPa): 1.6, 4.0, 6.4

Natural Flow Characteristics: Quick Opening

Operating Temperature °C: Liquid ≤ 140; Gas ≤ 80; With condenser and heat sink ≤ 350

Suitable Media: Gas, Steam, Low-viscosity Liquids

Flange Dimensions and Types: PN10, 16, 40, GB9113-88, PN64, JB/T7-94; PN10, 16 convex type, PN40, 64 concave type

Or other standard types of flanges can be selected according to user requirements (such as: ANSI, JIS, DIN, etc. standards)

Structural Length: According to GB12221-89 standard

Optional Accessories: Condenser (for occasions where the medium is steam), heat sink, etc.

Actuator Signal Interface: Internal thread M16×1.5


Please contact us if you need customized services. We will contact you with the price and availability in 24 hours.

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Self-operated pressure regulating valve, ZZYP regulating valve, self-operated regulating valve, pressure regulating valve VF--ZHCC-ZH59-CU Customized Customized

ZZYP Self-Actuating Pressure Regulator - Overview 


The ZZYP self-operated pressure regulating valve is a type of pressure regulating device that does not require external energy. It uses the energy of the controlled medium itself as the power source, introducing it into the actuating chamber to generate thrust, thereby controlling the movement of the throttling element to achieve automatic regulation. It has comprehensive functions of measurement, execution, and control. It can be widely used in various equipment in the self-control systems of the petroleum, chemical, power station, light industry, and printing and dyeing industries in places without air or electricity. It is used for reducing pressure, stabilizing pressure (for regulating the pressure after the valve), pressure relief, and stabilizing pressure (for regulating the pressure before the valve) of various gas, liquid, and steam media. According to different working conditions of users, different valve core structure types and different actuators can be selected to achieve the best control effect.


The ZZYP self-operated pressure regulating valve is a type of pressure regulating device that does not require external energy. It uses the energy of the controlled medium itself as the power source, introducing it into the actuating chamber to generate thrust, thereby controlling the movement of the throttling element to achieve automatic regulation. It has comprehensive functions of measurement, execution, and control. It can be widely used in various equipment in the self-control systems of the petroleum, chemical, power station, light industry, and printing and dyeing industries in places without air or electricity. It is used for reducing pressure, stabilizing pressure (for regulating the pressure after the valve), pressure relief, and stabilizing pressure (for regulating the pressure before the valve) of various gas, liquid, and steam media. According to different working conditions of users, different valve core structure types and different actuators can be selected to achieve the best control effect.



Packing of Standard Packing: 


Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 470 gallon liquid totes Special package is available on request. E FORUs’  is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition



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