USE AND OPERATIONThe relief valve limits the maximum pressure in a circuit to the valve's setting.When the circuit pressure reaches the setting, the valve opens and stops the circuit pressure going any higher.MATERIALS AND FEATURESBody: zinc plated steel.Internal parts: hardened and ground steel. Seals: BUNA N standard.Leakage: Guided poppet negligible leakage.Oil temperature: 50° C - Oil viscosity: 30 cStCONNECTIONSConnect circuit port with pressure to P and tank port to T. Port P is reversible.