Hydraulic safety valves

Hydraulic safety valves for presses are used for the quick exhaust of the hydraulic cushions of eccentric presses. The extremely high ratio of preloading pressure to safety device activation pressure (up to 1:5), allows the adoption of reduced preloading pressures for the hydraulic cushions, thus decreasing the stress the cushions are subjected to. The design of Hydraulic safety valves for presses makes it possible to continuously modify the activation pressure of the safety device, working on the preloading pressure delivered by the control unit.

Sizes: from ND18 to ND 63

Pre charge/intervention ratio: from 1:1,3 to 1:5

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