Eaton: Training on Pressure Valves Including Relief Valves and Pressure Reducing Valves

Max

Direct-acting relief valve

The valve opens when the preset pressure is reached

Pilot-operated relief valve

Pressure is balanced by the plunger (valve core)

The pilot valve opens when the pilot stage pressure reaches the set value

Pressure relieves to the oil tank

Relief valve unloading circuit

he direct-acting relief valve is connected for unloading

Three-stage pressure relief valve

Three-stage pressure relief valve circuit

Proportional relief valve

Unloading relief valve

Area difference between the plunger and the valve seat

Unloading circuit

Direct-acting pressure reducing valve

Direct-acting pressure reducing valve circuit

Pilot-operated pressure reducing valve

Typical direct-acting, spool-type pressure control valve

Back pressure valve

Unloading valve configuration

Unloading valve configuration

The sequence valve is applied to the clamping unit

Remotely controlled sequence valve

 Counterbalance valve circuit

Remotely controlled counterbalance valve circuit

Braking circuit