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Directional control valves

Main Type: HD*-WY*:Solenoid-operated directional control valve
                HD1N:Compact solenoid-operated directional control valve
                HDD3-WY*:Solenoid-operated hydraulic directional control valve
                HDD3C-WY*:Low-shock solenoid-operated hydraulic directional control valve
                HDD3-LY*:Low-power consumption solenoid-operated hydraulic directional control valve
                HDD3C-LY*:Low-power consumption low-shock solenoid-operated hydraulic directional control valve
                HD1-R42LTD:Manually operated directional control valve
                HD3-4*LG:Manually operated directional control valve
                HD1-*2MT:Mechanical directional control valve
                HD3-42MG:Mechanical directional control valve
                HK3:Check valve
                HK2:Solenoid-operated check valve

Precautions about use, spool type


Solenoid-operated directional control valve
HD*-WY*

FEATURES

*HD3 Series (for 25 MPa)

  1. Compact
  2. High pressure and large capacity
  3. Increased rated flow rate
  4. Increased permissible back pressure
  5. Dust- and water-proof to IEC IP65
  6. Lamp and grounding terminal are standard.
  7. Surge killer is standard.

*HD1 Series (for 7 MPa)

  1. Directly controllable by a programmable controller since the valve operates at low power. (Refer to the solenoid characteristics).
28kb PDF0745kb

Compact solenoid-operated directional control valve
HD1N-*

28kb PDF0419kb

Solenoid-operated hydraulic directional control valve
HDD3-WY*

FEATURES
  1. Mounting dimensions are ISO compatible.
  2. A 025 series solenoid valve is used for a pilot valve to reduce the size and weight of the solenoid-controlled pilot-operated directional control valve.
  3. Surge killer is standard.
100kb PDF1619kb

Low-shock solenoid-operated hydraulic directional control valve
HDD3C-WY*
100kb PDF0644kb

Low-power consumption solenoid-operated hydraulic directional control valve
HDD3-LY*

FEATURES
  1. Because low-power consumption solenoid valve size 025 is used as a pilot valve, the valve saves energy since it consumes only low power.
  2. The valve is constructed very comactly and is equipped with a power indicator lamp for both AC and DC.
  3. Surge killer is standard.
PDF0907kb

Low-power consumption low-shock solenoid-operated hydraulic directional control valve
HDD3C-LY*
PDF0686kb

Manually operated directional control valve
HD1-R42LTD, HD3-4*LG*

FEATURES

This type of valve switches the direction of flow of the hydraulic fluid in response to operation of the manual lever.
The rotary spool holds the switched position.

46k PDF0514kb

Mechanical directional control valve
HD1-*2MT, HD3-42MG

FEATURES

This type of valve switches the direction of flow of hydraulic fluid by pushing down the cam plunger.

28kb PDF0374kb

Check valve
HK3-ET*, HK3-EF*, HK3-QT*, HK3-QG*, HK3-EFT*

FEATURES

A check valve allows fluid flow in one direction only while maintaining the specified cracking pressure, and completely stops the flow in the reverse direction.
These valves are classified into two types according to the body shape, namely the inline type and the right-angle type.

PDF0505kb

Pilot-operated check valve
HK3-*T*E, HK3-*G*E, HK3-YF*E, HK3-*T*ED, HK3-*G*ED, HK3-F*ED

FEATURES

This type of valve usually functions as a normal check valve that allows fluid flow only in one direction by maintaining the specified cracking pressure and completely stops fluid flow in the reverse direction. However, it also enables fluid flow in the reverse direction on application of external pilot pressure.

34kb PDF0428kb

Solenoid-operated check valve
HK2-ST0, HK2-SG0

FEATURES
  1. With the internal drain type, a back pressure of up to 14 MPa can be applied to the OUT port.
  2. Reverse flow from the OUT port to the IN port is possible.
  3. Continuous energization is possible with both AC and DC.
35kb PDF0350kb

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