Pressure reducing valveIt uses the opening degree of the opening and closing parts in the control valve body to adjust the flow of the medium, reducing the pressure of the medium, and at the same time adjusting the opening degree of the opening and closing parts by the pressure behind the valve to keep the pressure behind the valve within a certain range, and Cooling water is sprayed into the valve body or behind the valve to reduce the temperature of the medium. This kind of valve is called a pressure reducing valve.The characteristic of this valve is to keep the outlet pressure and temperature within a certain range when the inlet pressure is constantly changing.
Pressure reducing valveIt is an intelligent valve that uses the energy of the medium to adjust and control the pipeline pressure.It is used in domestic water supply, fire water supply and other industrial water supply systems. The outlet pressure of the main valve can be adjusted through the regulating valve pressure reducing pilot valve.The outlet pressure does not change due to changes in the inlet pressure and the inlet flow rate, and the outlet pressure is maintained at the set point safely and reliably, and the set value can be adjusted as needed to achieve the purpose of decompression.The valve has accurate pressure reduction, stable performance, safety and reliability, convenient installation and adjustment, and long service life.
Pressure reducing valveAccording to the structure, it can be divided into diaphragm type, spring diaphragm type, piston type, lever type and bellows type; according to the number of valve seats, it can be artificially single-seat and double-seat; according to the position of the valve disc, it can be divided into positive-acting and Reactionary.
The installation and maintenance of the pressure reducing valve should pay attention to the following matters:
In order to facilitate operation and maintenance, thevalveIt is generally installed upright on a horizontal pipe.
When installing, make sure that the flow direction of the medium in the pipeline is consistent with the direction of the arrow shown on the valve.
In order to prevent overpressure behind the valve, it should be no less than
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