Pressure Control Valves

 

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      Pressure Control Valves

  • Pressure control valves are used to limit pump delivery pressure, control circuit pressure, and as safety valves. For these purposes there are relief valves and reducing pressure valves which maintain circuit pressure below set levels, and sequence and unload valves which automatically switch circuits when circuit pressure reaches setting pressure.

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      TCG20

  • In addition to providing safety valve function which releases hydraulic fluid in the case of excessive pressure in the hydraulic circuit, this valve also provides good control of circuit.
  • Remote setting of circuit pressure is possible by connecting a remo
  • The valve can function as an unload valve by utilizing the vent port.

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      TCG50 to 80

  • In addition to providing safety valve function which releases hydraulic fluid in the case of excessive pressure in the hydraulic circuit, this valve also provides good control of circuit.
  • Pressure can be set in 2-3 stages by solenoid valve.

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      CG-03

  • Balance piston type relief valves.

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      CGL

  • This low pressure control valve provides stable control over the low pressure range from almost 0 MPa to 4 MPa.
  • The E2 version enables 3 stage - all close, pressure control, all open - control by directing the pilot pressure to two pilot ports.
  • Valve is ideal for low back pressure control of the injection cylinder of injection molding machines.

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      C-175

  • This valve is used to control max. pressure in small flow circuits (standard type).
  • S1 type is used for adjustment of main valve setting pressure remotelywhen connected to remote vent port of relief, reducing, etc., pressure control valves.

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      CGR-02

  • Used for remote adjustment of main valve's setting pressure byconnecting to remote vent port of the pressure control valves (relief valves, reducing valves, etc.).

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      TGMCR-3

  • Used for 2 pressure, 2 pressure & unload, and 3 pressure multistage control by connecting to remote control vent port of relief valve, and by stacking with DG4V-3 solenoid valve.

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      TGMSL-3

  • This prouct is designed to reduce shock during vent unload of the relief valv. In the pplication example below, the TGMSL-3 is stacked with the DG4V-3 solenoid valve and is connected to the vent port of the pilot operated relief valve.

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      URG1 / URG2

  • Valve is used in accumulator circuits. When circuit pressure rises to the setting pressure, valve acts to automatically unloads pump.
  • When circuit pressure falls to 85 or 95% of the setting pressure, the valve onloads the pump to recharge the accumulators

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      RG(2)-3F

  • This is a direct acting type pressure adjustment valve, and depending on the internal or external pilot pressure and drain combinations can be used as sequence, counterbalance, relief, or unload valves.
  • Stacked with check valve DM8M-3B, valve can be used as sequence valve, or counterbalance valve.

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      R(C)G

  • This is a direct acting type pressure adjustment valve and depending on the internal or external pilot pressure and drain combinations can be used as sequence, counterbalance, relief, or unload valves.
  • As sequence or counterbalance valve, reverse flow from secondary side to primary side is enabled with an integrated check valve.
  • As sequence valve, valve is used to control multiple actuators which operate in succession. When pressure in primary side A exceeds setting pressure, pressurized flow is delivered to secondary side B.
  • As counterbalance valve, valve generates pressure in the actuator return side to prevent runaway loads caused by gravity, etc. Pressurized oil is not released until primary side A pressure exceeds the setting pressure.
  • As relief valve, in addition to functioning as a safety valve to prevent excessive pressure in the circuit, it acts to maintain fixed maximum circuit pressure. Pressurized oil is released to tank when pressure in primary side A exceeds the setting pressure.
  • As unload valve, pressurized oil is released to tank when external pilot pressure exceeds the pressure setting to unload the circuit.

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      XG1

  • Valve is used for branch circuits which operate at pressure lower than main circuit pressure.
  • Reduced pressure in secondary is maintained at fixed pressure regardless of pressure fluctuations in the main (primary) circuit.
  • Stacked with modular check valve DM8M-3A, valve can be used asreducing valve with check valve

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      X(C)G / XGL

  • Valve is used to set pressure in branch circuit lower than pressure of the main circuit.
  • By connecting remote control valve (CGR-02, C-175, etc.) to vent port, branch circuit pressure can be set remotely.
  • Reducing valve with check valve will allow free flow from the reduced pressure circuit B to main circuit A.

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      BLG

  • The BLG balancer valv is a multi pressure control valve which supplies freely slected balanced pressure to the auxiliary cylinder for smoth ascent/descent drive operation of large load tables, etc. The valve integrates reducing and counterbalance (relief) functions and balance pressure can be freely changed by handle operation in the case of increasing or decreasing load.
  • Compared to conventional circuits which utilize reducing valve, counterbalance (relief) valve, and check valve, these functions can be integrated into a single valve with the BLG.

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