Hydraulic control valve is a pressure control valve , which consists of a main valve and pilot valve attached to the catheter needle valve ball valve and pressure gauges and other components.
Using the hydraulic control valve, the first thing you need to do is notice of selection.  Selection of hydraulic control valve, the device must be multiplied by the hourly consumption of steam 2-3 times the rate for the largest selection of condensation of water, Water Control valves to select the hydraulic control valve displacement. To ensure the hydraulic control valve in the car discharge condensate as soon as possible, rapidly increasing the temperature of the heating equipment. If the energy emissions of the hydraulic control valve is not enough,it will cause condensation of water can not be discharged, reducing the thermal efficiency of heating equipment.
Selection of hydraulic control valve, it can not be selected by nominal pressure valve, because nominal fmjyh0919 only stand for the pressure of the shell level,the nominal pressure of hydraulic control valve difference from operating pressure. Therefore,Reducing Valvesit is according to the operting differential pressure to select the displacement of hydraulic control valve.API CAST STEEL VALVES Operting differential pressure is the outlet difference of the operating pressure of hydraulic control valve subtract the back-pressure of the hydraulic control valve.
Select the hydraulic control valve to stop gas drainage requirements accurately, sensitive water control valve is high, and it can improve the utilization of steam, the steam does not leak, reliable performance, high back pressure, long life, easy maintenance is the preferred conditions.

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2011-11-21

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