piston type pressure reducing valve is generally installed in the cold and hot water supply system of high-rise building, can have the effect of voltage regulation, at the same time also can replace conventional partition of the pipe, so as to achieve the equipment and space saving.

piston type pressure reducing valve working principle is introduced:

1, the piston type pressure reducing valve is controlled by the Industrial Valves at the back of the pressure. Increased when pressure sensor detected indicator for pressure of the valve, pressure reducing valve valve opening decreased; When the detected after the relief valve pressure decreases, and increase pressure reducing valve valve opening, in order to meet the control requirements.

2, piston, spring is the use of diaphragm, the relief valve and piston component, changing the clearance between the valve core and valve seat, to achieve the goal of decompression.

of piston reducing valve decompression ratio must be higher than the system value to some extent; Even in a large or small flow when it should be able to respond to positive action and reaction control signal. These valves should be useful for control range, 20% to 80% of the heavy traffic. Normal is geometric model or geometric characteristics. These types of a proportional control valve itself required flow characteristic and flow range.

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