Composition of Self Operated Pressure Regulating Valve_ Classification of Self Operated Pressure Reg

Composition of self operated pressure regulating valve

Self operated pressure regulating valve is a self-contained pressure controller valve. Generally speaking, the medium pressure changes with the change of medium flow. When the medium flow changes, in order to ensure the constant pressure, it needs a self operated regulating valve to control. The self operated pressure regulating valve is composed of three components:

1. Flow limiting elements: valves, etc;

2. Measuring elements: pressure gauge, valve membrane, piston, etc;

3. Load elements: spring, weight, manpower, etc.

Classification of self operated pressure regulating valves

1. According to the control behind and in front of the valve, it is divided into: self operated valve rear (pressure reducing) control valve and self operated valve front (pressure relief) control valve.

2. It is divided into:

a. Direct acting self operated regulating valve direct acting pressure regulating valve directly controls the valve through the medium itself to achieve the function of pressure regulation. The direct acting pressure regulating valve has the pressure taking form behind the valve and the pressure taking form before the valve. Take pressure behind the valve to keep the pressure behind the valve within the set range to achieve the effect of pressure reduction behind the valve. Take pressure in front of the valve to keep the pressure in front of the valve within the set range to achieve the effect of pressure relief in front of the valve.

b. The commander operated self operated regulating valve the commander operated regulating valve achieves the function of automatic pressure regulation through the mutual control between the two valves.

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