Main Relief Valve
Main Relief Valve is mainly used in high-rise building fire test cycle system pressure, to prevent the excessively high hydraulic system failure.
Working principle of a pressure relief valve, relief valve principle is that when the pipeline pressure is greater than the pressure relief valve set pressure, there will be pressure relief valve in the oil flow, so as to control the pressure in the pipeline will not exceed a certain limit.
Features:
Pressure relief valve by the main valve, pressure relief/holding pressure pilot valve needle valve, ball valve, micro shape filter and pressure gauge of hydraulic control of system.Use of hydraulic automatic operation, can make the pressure release valve and can be used for holding pressure valve.As a pressure relief valve, it can maintain water supply way pressure under the TVC of set;For holding pressure valve, can maintain the main valve upstream water pressure above the set value, maintain the main valve upstream water supply pressure
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