Differential type water hydraulic relief valve
2012
Differential pressure relief valve, the water pressure in the hydraulic system belonging to the control valve, vibration of solving problems of the prior direct drive type relief valve, noise and poor working stability. A first differential pressure relief valve, the valve body successively from left to right with the valve seat, the valve body, the spring and the spring seat, a valve body closing a right end, the left end of the built-in body cavity with a cylindrical spacer, a left end cover and the left end face of the valve body by a screw connection, a threaded adjusting screw and a left end cover and fitted against the cylindrical spacer. A second difference between the differential pressure relief valve and a first differential pressure relief valve in that: a valve body closing the left end, the right end cover and the body cavity by screwing the right, the right spring seat embedded in the end cap adjust screw thread and mating the bottom surface of the right end cover and against the spring seat. The present invention is a small leak, good anti-cavitation performance, vibration, low noise, high precision voltage regulation, work stability, small high pressure is required when the spring force, the hydraulic system is suitable for high pressure water.
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