The pilot pressure decompression valve is to use the opening and closing parts of the control valve to adjust the flow of the medium to reduce the pressure of the medium.Within a certain range, in the case of continuous changes in import pressure, keep the export pressure within the scope to protect the subsequent domestic production equipment.This type of valve should generally be installed horizontally in the pipeline.
Principles of pilot decompression valve
By changing the throttle area, the puzzle decompression valve changes the flow rate and the kinetic energy of the fluid in the pipeline system, and after generating pressure loss to varying degrees, the internal decompression of the pipeline can be achieved.The fluctuation and spring force reaches a balance, and ultimately keep the pressure behind the valve in the pipeline constant in a certain error range.Pilot -guided decompression valve uses the principle of hydraulic pressure to achieve control.As a component of local pressure changes and throwing, the pilot decompression valve is reduced to the exit pressure range of a certain settings by adjusting the import pressure, and then the exit pressure is automatically maintained by the energy of the medium itself.valve.
How to adjust the puzzle decompression valve
Turn off the switch valve in front of the pilot pressure decompression valve, turn on the switch valve after the pressure reduction valve, and create a downstream low -pressure environment.Then rotate the adjustment screws to the upper position in the upper position. First turn off the switch valve after the valve, and slowly open the switch valve in front of the valve to the full opening.Slowly rotate the adjustment screw clockwise, adjust the exit pressure to the required pressure. After the adjustment is adjusted, the lock nut is locked and the switch valve is turned on after opening the valve.If the outlet pressure is higher than the set pressure when adjusting, it is necessary to re -adjust from the first step.

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