The optimum valve for any system can be utilized since many spool types and various solenoids are all available, along with other optional functions. The DSG-03 50 series solenoid operated directional valve comes with two basic models.
Directional valves are used for shifting the oil flow direction of the hydraulic circuit and for a control of actuator starting/ stopping as well as the operating direction shifting of the actuator.
These valves are classified in the following five types depending on the operational method. Solenoid Operated Directional Valves, Solenoid Controlled Pilot Operated Directional Valves, Pilot Operated Directional Valves, Manually Operated Directional Valves, and Mechanically Operated Directional Valves.
Solenoid Controlled Pilot Operated valves are composed of a solenoid operated pilot valve and a pilot operated slave valve. When a solenoid is energized the pilot valve directs the flow to move the spool of the slave valve, thus changing the direction of flow in the hydraulic circuit.
Manually Operated Directional Valves may be used to manually shift the spool position and change the direction of oil flow. Cam Operated Directional Valves may be used to shift the direction of oil flow by depressing the spool by way of a cam.
Poppet type Directional Valve are Solenoid Operated Directional Valves of No Leak Type developed with the aim of responding to the demand of the age including energy saving. Because these valves are of poppet type, there is no overlap, high response can be achieved. At the same time, hydraulic lock is eliminated.
Double Locking Check Valves flow in one direction and pressure flow in the reverse direction, until operated by pilot operated pressure to allow reverse flow. The specific cracking pressure required to open the valve to allow a free flow direction.
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