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Nachi Modular Valves

Nachi OR Relief Modular Valve​

With the capability of unloading pressure without shock (shockless) and dual pressure controls, this versatile modular relief valve gives you control of the pressure in hydraulic circuits.


  • Maximum operating pressure: 25, 35MPa {255, 357kgf/cm2}
  • Pressure adjustment range: 0.8 to 25, 35MPa {8.2 to 255, 357kgf/cm2}
Manufacturer's Catalog
Picture
Model Numbers:
  • OR-G01-A1-21
  • OR-G01-A3-21
  • OR-G01-B1-21
  • OR-G01-B3-21
  • OR-G01-P1-20
  • OR-G01-P3-20

  • OR-G01-W1-20
  • OR-G01-W3-20
  • OR-G03-A1-E50
  • OR-G03-A3-E50
  • OR-G03-B1-E50
  • OR-G03-B3-E50

  • OR-G03-P1-E50
  • OR-G03-P3-E50
  • OR-G03-P3-J50
  • OR-G03-W1-J50
  • OR-G03-W3-J50

Nachi ORO Brake Modular Valve

This brake valve smoothly controls pressure at the moment the actuator stops.
  • Maximum operating pressure: 25MPa {3571psi}
  • Pressure Adjustment Range: 0.8 to 21, 25MPa {114 to 3000, 3571psi}
Nachi Model Numbers:
  • ORO-G01-W1-20
  • ORO-G01-W3-20
  • ORO-G03-A3-J50
  • ORO-G03-W1-J50
  • ORO-G03-W3-J50
Manufacturer's Catalog
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Nachi ORD Direct Relief Modular Valve

  • Maximum Working Pressure: 25MPa {3571psi}
  • Pressure Adjustment Range: 0.8 to 21, 25MPa {114 to 3571psi}
Nachi Model Numbers:
  • ORD-G01-A1-20
  • ORD-G01-B1-20
  • ORD-G03-A3-50
Picture
Picture

Nachi OG Pressure Reducing Modular Valve

This pressure reducing valve relieves and maintains pressure in a secondary part of the hydraulic circuit as the pressure in the main circuit fluctuates.

  • Maximum Operating Pressure: 25MPa {3571psi}
Model Numbers:
  • OG-G01-AC-E21
  • OG-G01-AC-K-21
  • OG-G01-AC-21
  • OG-G01-A1-E21
  • OG-G01-A1-21
  • OG-G01-A1-3094B
  • OG-G01-A2-E21
  • OG-G01-A2-21
  • OG-G01-BC-E21
  • OG-G01-BC-21
  • OG-G01-BC-3094B
  • OG-G01-B1-E21
  • OG-G01-B1-K-21
  • OG-G01-B1-21
  • OG-G01-B2-E21
  • OG-G01-B2-K-E21
  • OG-G01-B2-K-21

  • OG-G01-PC-AK-5726C
  • OG-G01-PC-BK-5756B
  • OG-G01-PC-E21
  • OG-G01-PC-K-21
  • OG-G01-PC-K-5581C
  • OG-G01-PC-21
  • OG-G01-P1-AK-5756B
  • OG-G01-P1-E21
  • OG-G01-P1-K-21
  • OG-G01-P1-21
  • OG-G01-P1-3094B
  • OG-G01-P1-3115A
  • OG-G01-P2-E21
  • OG-G01-P2-21
  • OG-G03-A1-E51
  • OG-G03-A1-51
  • OG-G03-A3-E51

  • OG-G03-A3-J51
  • OG-G03-B1-E51
  • OG-G03-B1-51
  • OG-G03-B3-E51
  • OG-G03-B3-J51
  • OG-G03-B3-K-J51
  • OG-G03-PC-E51
  • OG-G03-PC-J51
  • OG-G03-P1-B-E51
  • OG-G03-P1-B-J3094B
  • OG-G03-P1-E51
  • OG-G03-P1-51
  • OG-G03-P3-E51
  • OG-G03-P3-K-E51






Nachi OQ Sequence Modular Valve

This sequence valve controls pressure while the actuator performs a sequence of operations, as well as maintaing pressure in the primary circuit. The valve is capable of making adjustments to pressure from 35psi to 3000psi.

  • Maximum Operating Pressure: 25MPa {3571psi}

Nachi OQ Model Numbers:
  • OQ-G03-P2E-J50
Picture

Nachi OCQ Counter Balance Modular Valve

Control the back pressure in actuators. Also used in other pressure control valve applications. The valve is capable of making adjustments to pressure from 35psi to 2000psi.

  • Maximum Operating Pressure: 3571psi
Nachi OCQ Model Numbers:
  • OCQ-G01-A11-20
  • OCQ-G01-B11-K-20
  • OCQ-G01-B11-20
  • OCQ-G01-B12-20
  • OCQ-G03-B1C-J50
Picture

Nachi OW Modular Type Pressure Switch

The compact OW valve senses changes in hydraulic circuit pressure and adjusts an electrical circuit to compensate for the pressure changes. Pressure detection is very sensitive, allowing for precision control of the hydraulic circuit and excellent reliability. Available in single and double (to control ports A and B). Status light indicates operational function.

Picture
Model Numbers:
  • OW-G01-AC-R-D2-30
  • OW-G01-A1-R-C2-30
  • OW-G01-A1-R-D2-30
  • OW-G01-A3-R-C2-30
  • OW-G01-A3-R-D2-30
  • OW-G01-B1-R-C2-30
  • OW-G01-B1-R-D2-30

  • OW-G01-B3-R-C2-30
  • OW-G01-B3-R-D2-30
  • OW-G01-PC-R-D2-3093A
  • OW-G01-P1-R-C2-30
  • OW-G01-P1-R-D2-30
  • OW-G01-P3-R-C2-30
  • OW-G01-P3-R-D2-30

  • OW-G01-WC-R-D2-30
  • OW-G01-W1-R-C2-30
  • OW-G01-W1-R-D2-30
  • OW-G01-W3-R-C2-30









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Nachi OY and OCY Flow Regulator Modular Valves

Depending on the model you choose, you can regulate flow on ports A or B, A and B, and P or T. Flow regulation is used to control the speed of the actuator and other hydraulic systems where a flow control valve is needed.
  • Maximum Operating Pressure: 25MPa {3571psi}


Model Numbers:
  • OY-G01-P-20
  • OY-G01-T-20
  • OCY-G01-A-X-20
  • OCY-G01-A-Y-20
  • OCY-G01-B-X-20
  • OCY-G01-B-Y-20
  • OCY-G01-P-20​

  • OCY-G01-W-X-20
  • OCY-G01-W-Y-K-20
  • OCY-G01-W-Y-20
  • OCY-G03-A-X-J51
  • OCY-G03-A-Y-J50
  • OCY-G03-A-Y-J51
  • OCY-G03-B-X-J51

  • OCY-G03-B-Y-J51
  • OCY-G03-P-J50
  • OCY-G03-W-X-J51
  • OCY-G03-W-Y-J51
  • OCY-G03-W-Y-51



















Picture
Nachi Model Numbers:
  • OF-G01-P20-20
  • OCF-G01-A40-X-30
  • OCF-G01-A40-Y-30
  • OCF-G01-B40-X-30
  • OCF-G01-W40-X-30
  • OCF-G01-W40-Y-30
  • OCF-G03-A60-X-J50
  • OCF-G03-A60-Y-J50
  • OCF-G03-B60-X-J50
  • OCF-G03-B60-Y-J50
  • OCF-G03-W60-X-J50
  • OCF-G03-W60-Y-J50

Nachi OF and OCF Flow Control Modular Valve

Flow control for a wide range of port options including:
  • A or B ports
  • A and B ports
  • P port
Controls actuator speed via flow control with pressure compensation to ensure pressure remains constant even as the temperature of your hydraulic fluid fluctuates.
​
Maximum Operating Pressure : 21, 25MPa {3000, 3571psi}

Manufacturer's Catalog
Picture

Nachi OC and OCV Check Modular Valve

This variety of OC and OCV check valves can be used on suction circuits and differential circuits, and to avoid reverse flow.Maximum Operating Pressure: 25MPa {3571psi}
Nachi Model Numbers:
  • OC-G01-A1-21
  • OC-G01-P1-20
  • OC-G01-P1-21
  • OC-G01-P2-20
  • OC-G01-P3-20
  • OC-G01-P3-21
  • OC-G01-T1-20
  • OC-G01-T3-20
  • OC-G03-P1-J50
  • OC-G03-P1-50
  • OC-G03-T1-J50
  • OC-G03-T1-50
  • OCV-G03-W-J50
Manufacturer's Catalog
Picture

Nachi OCP Pilot Operated Check Modular Valve

Holds actuator positioning and prevents self-running of the actuator.
  • Maximum Operating Pressure: 25MPa {3571psi}

Nachi Model Numbers:
  • OCP-G01-A1-F-21
  • OCP-G01-A1-21
  • OCP-G01-A2-21
  • OCP-G01-B1-F-21
  • OCP-G01-B1-21
  • OCP-G01-B2-21
  • OCP-G01-W1-F-21
  • OCP-G01-W1-21
  • OCP-G01-W2-21
  • OCP-G03-A1-J50
  • OCP-G03-B1-J50
  • OCP-G03-W1-J50
  • OCP-G03-W1-50
  • OCP-G03-W2-J50
  • OCP-G03-W2-50
Manufacturer's Catalog
Indiana's certified fluid power specialists.
7751 E 89th St
Indianapolis, IN 46256
​
Local phone: 317-849-5115
Toll-free phone: 800-875-5196
Fax: 317-849-5255


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  • Hydraulic Parts & Repair
    • Hydraulics Parts Vendors
    • Hydraulic Parts Repair and Remanufactured Parts
    • Emergency Hydraulic Repair & Replacement
  • Systems
    • JIE Drive
    • Mobile Hydraulics
    • Hydraulic Power Units >
      • Poclain Hydraulic Power Units
      • Nachi Hydraulic Power Units >
        • Nachi Servo Power Units
      • Yuken Hydraulic Power Units
    • Custom Hydraulic Systems and design
  • About PPC
    • Contact
    • Training
    • Terms and Conditions
  • Quick Quote
  • JIE Helical Gearmotor