Eterna Karya Sejahtera

Pilot solenoid operated proportional relief valve

Used for remotely controlling relief valves and reducing valves as the pilot operated pressure control valve or for variable displacement piston pumps as the pilot valve.

Solenoid operated proportional relief valve

Enables proportional pressure control of the hydraulic circuit in reference to the input current

Direct operated type solenoid operated proportional throttle valve

These proportional throttle directional control valves perform spool position feedback control by directly driving the spool with the proportional solenoid and detecting the displacement with the differential transformer.

Stacking reduction type pressure compensation valve (for LEMS, Nominal diameter 02)

Combining the valve with a LEMS valve enables proportional flow rate control with reduction type pressure compensation.

Stacking reduction type pressure compensation valve (for LEMS, Nominal diameter 03)

Combining the valve with a LEMS valve enables proportional flow rate control with reduction type pressure compensation.

Direct operated type solenoid operated proportional directional control valve

These four-way proportional directional control valves enable control of the forward and reverse motion of an actuator.

Stacking bypass type pressure compensation valve (for KSP)

Enables proportional flow rate control with pressure compensation by combination with a KSP valve.

Solenoid operated proportional throttle valve

Since it is a four-way proportional throttle valve, it can control the reciprocating process of the actuator and can be used as a shockless switching valve. It corresponds to 35MPa (06 size is 28MPa) and can be used with high-pressure equipment such as press machines.

Pilot solenoid operated proportional directional control valve

These pilot solenoid operated proportional directional control valves use a nozzle flapper valve as pilot valve and perform spool position feedback control by detecting the displacement of the main valve with the differential transformer.

Direct operated servo valve

Ideal for closed loop control of the position, speed, and pressure of main machine’s actuators. High responsiveness is achieved by combining the valve with the dedicated driver.

Pilot solenoid operated servo valve

Ideal for closed loop control of the position, speed, and pressure of main machine’s actuators. The orifice nozzle adopted as the pilot nozzle has a large diameter for a nozzle flapper type valve and achieves greater resistance to contamination.

Manual proportional directional control valve (with pressure compensation, multiple valve series)

Stacking type multi-control valves that are equipped with the bypass type pressure compensation function and show proportional flow rate characteristics. The pump pressure can be changed according to variation of the load pressure, with the excess flow bypassed to the tank.

Solenoid operated proportional directional control valve (with pressure compensation, multiple valve series)

Stacking type control valves that show pressure compensated type proportional flow rate characteristics and control the flow rate in proportion to electrical current regardless of the load level. Combining the valve with a variable displacement pump enables construction of a power match circuit that outputs the required pressure/flow rate.

Open loop control driver (for AC power supply)

Achieves optimum control of open loop control type solenoid operated proportional control valves. The constant current characteristics suppress the power supply voltage fluctuation, and the output current fluctuation due to temperature rise of the solenoid, to almost zero.

Open loop control driver (for DC power supply)

Minor loop control driver (for AC power supply)

Achieves optimum control of minor feedback control type LEM* valves by detecting the spool position with a differential transformer. The constant current characteristics suppress the power supply voltage fluctuation, and the output current fluctuation due to temperature rise of the solenoid, to almost zero.

DIN terminal type driver for KSP-G02

Achieves optimum control of KSP-G02. The constant current characteristics suppress the power supply voltage fluctuation, and the output current fluctuation due to temperature rise of the solenoid, to almost zero.

Open loop control Euro・card type driver

Achieves optimum control of open loop control type KSP valves. The constant current characteristics suppress the power supply voltage fluctuation, and the output current fluctuation due to temperature rise of the solenoid, to almost zero.

Minor loop control Euro card type driver

Achieves optimum control of minor feedback control type KSP valves by detecting the spool position with a differential transformer. The constant current characteristics suppress the power supply voltage fluctuation, and the output current fluctuation due to temperature rise of the solenoid, to almost zero.

Minor loop control driver (for SEM)

Achieves optimum control of minor feedback control type SEM valves by detecting the spool position with a differential transformer. The constant current characteristics suppress the power supply voltage fluctuation, and the output current fluctuation due to temperature rise of the solenoid, to almost zero.

Shockless speed reversal controller

02, 03 Size Controllers that perform shockless reverse acceleration / deceleration control of hydraulic cylinders using direct solenoid proportional switching valves. Suitable for machines that perform repeated reversal operations such as grinding machines.

Shockless speed reversal controller

Enables shockless speed reversal with heavy loads. The constant current characteristics suppress the power supply voltage fluctuation, and the output current fluctuation due to temperature rise of the solenoid, to almost zero.

Multi-step signal controller

Combining this controller with a driver for solenoid operated proportional valves enables setting of multi-step command input voltages. 6-step output voltage levels and the response time to reach these voltage levels can be set.

Controller for proportional direction/flow control valves

Used for 04, 06 size electromagnetic pilot type proportional directional flow control valve and applied to general industrial machinery except vehicles and ships.