1, the pilot operated relief regulator valve in the pipeline network installation, attention should be paid to in the direction of flow arrow is consistent to the valve body. 2, pilot operated relief regulator valve before the valve must be installed filters, prevent dirt from entering the valve inside and affect the static effect. 3, after the valve before the valve to install the gate valve for maintenance. 4, needle valve opening for a quarter circle, control valve in the fully open position. 5, the initial run time, pressure reducing valve before the valve gate valve should be slowly slowly open, can't fully open. If found no relief, before the valve gate valve closed, put out the water after, again slowly from imported water, can be reduced pressure. 6, adjust the pressure should be carried out under static condition, namely after the valve gate valve closed. The pilot valve adjusting screw clockwise, Industrial Valves after pressure increase after the valve counterclockwise to reduce, set the required pressure lock solid. If more than the required pressure value when the voltage regulator, the valve after pressure must be reduced, from low to high again. 7, such as' hunting vibration phenomenon occurring in the operation of the ( Cyclical open or closed) Shall be clockwise again slightly off small needle valve, slows the intercepting mouth shut, eliminate the phenomenon of 'hunting vibration.
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