For lubricating and hydraulic oils and many other self-lubricating, non-corrosive fluids. Fuel oil EL, L, M, S and ES, kerosine.
Maximum temperature of delivery fluid: 150 °C.
Material: casing of hydraulic cast iron GGG 40.
Piston, valve tip, spring of hardened steel.
Action: directly controlled, spring-loaded overflow valve to maintain a set operating pressure or a set maximum pressure.
pressure stage 1: 1-4 bar
pressure stage 2: 2-9 bar
pressure stage 4: 6-40 bar
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