500 x relief valve using hydraulic automatic operation, can make a relief valve and can be used for holding pressure valve. As a pressure relief Industrial Valves, 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. This product use hydraulic self control, do not need other devices and energy, maintenance is simple, one valve is multi-purpose. 500 x relief valve product figure

500 x 1, novel structure, reasonable characteristics of pressure relief valve, reasonable by using the principle of the hydraulic control theory. 2, high sensitivity, safety relief. 3, slow disc quick opening closure, no water hammer shock. 4, smooth operation and no noise. 5, long service life. 500 x relief valve manufacturer recommendations
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