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Valves

Along with constantly improving performance, industrial machines continue to become increasingly sophisticated. Hydraulic equipment has to meet the challenge of diversifying needs. You may already appreciate the Nachi-Fujikoshi reputation for compact equipment that delivers energy efficiency, safety, and high performance. Our equipment is also constantly refined by our quest for ultimate hydraulics that combine great power with flexible motion control.

Solenoid Valve

SS Series Wet Type Solenoid Operated Directional Control Valve (G01)
  • Recognized by reliable overseas safety standards such as CE (Europe), UL (U.S.A.) and CSA (Canada).
  • The power consumption of the DC solenoid (D* and E*) is reduced. This will further promote your energy saving policy.
  • An innovative fluid reaction compensating mechanism assures reliable valve switching. (Patent pending)
  • An expanded wiring space ensures easy wiring.

Details

SS Series Wet Type Solenoid Operated Directional Control Valve (G03)
  • Highly reliable wet solenoid structure terminal box type for easy wiring.
  • Waterproof and dustproof rank: JIS C 0920 IP64
  • Shockless type also available to prevent shock when switching.
  • UL-recognized products available.

Details

SA Series Wet Type Solenoid Operated Directional Control Valve (G01)
  • Recognized by reliable overseas safety standards such as CE (Europe), UL (U.S.A.) and CSA (Canada).
  • The power consumption of the DC solenoid (D* and E*) is reduced. This will further promote your energy saving policy.
  • An innovative fluid reaction compensating mechanism assures reliable valve switching. (Patent pending)

Details

SA Series Wet Type Solenoid Operated Directional Control Valve (G03)
  • Highly reliable wet solenoid structure DIN connector type for highly waterproof performance.
  • JIS C 0920 IP65
  • Shockless type also available to prevent shock when switching.
  • Coil can rotate by 360°. Can be mounted even in a small space.

Details

SK Series Wet Type Solenoid Operated Directional Control Valve
  • Highly waterproof
  • JIS C 0920 IP67
  • JIS D 0203 D2
  • High allowable back pressure 21MPa
  • A surge-killer diode built-in type also available.
  • Corresponds to a wide variety of connectors.

Details

DSS Type Solenoid Controlled Pilot Operated Directional Valve
  • Highly reliable structure in which wet solenoid valve SS-G01 is used as pilot valve.
  • Compact size and switching capability for high pressure and large capacity.
  • Terminal box type for easy wiring.
  • Combination with modular valve enables easy construction of high-pressure, large-capacity circuits.

Details

Non Leak Type Solenoid Valve
  • Employment of poppet structure for minimum internal leakage.
  • Highly reliable wet solenoid structure.
  • Mounting surface complies with ISO standard. (01 and 03 size)
  • EC connector for enhanced switching capability. (06 size)

Details

Modular Valve

Pressure Switch Modular Valve
  • Modular Valve with a switch that opens/closes electric circuits upon sensing a pressure change in hydraulic circuits.
  • Built-in indicator light in DIN connector, which enables a visual check of operation.
  • W type with both A and B port controls results in compact equipment.

Details

Non Drain Type Pressure Switch Modular Valve
  • No drain flow for energy-saving operation.
  • Can achieve highly responsive, high-accuracy switch output.
  • Long life for enhanced reliability.
  • With electric trimmer, pressure and hysteresis can be freely changed within adjustment range.
  • Photo coupler electrically isolates switch output from internal circuit, preventing misoperation due to noise.

Details

G01 Modular Valve Series
  • High pressure and large capacity.
  • Maximum working pressure: 25,35 MPa
  • Maximum flow: 50 L/min
  • Stacking system and bolt detaching system allows circuits to be configured, changed and added easily and immediately.
  • Compact size for reduced space.
  • Decreased noise and vibration due to reduced pipings.
  • Various series and models; G01 size has 58 series and 131 models.

Details

G03 Modular Valve Series
  • High pressure and large capacity.
  • Maximum working pressure: 25,35 MPa
  • Maximum flow: 100 L/min
  • Stacking system and bolt detaching system allows circuits to be configured, changed and added easily and immediately.
  • Compact size for reduced space.
  • Decreased noise and vibration due to reduced pipings.
  • Various series and models; G03 size has 52 series and 96 models.

Details

Electromagnetic Proportional Valve

Electro - Hydraulic Proportional Flow and Directional Control Valve
  • Provides both direction switching and speed control functions.
  • Controls direction by supplying an input current into one of the two proportional solenoids and controls flow by changing the input current.
  • Remote control and shockless acceleration/deceleration control enables simplification of the hydraulic circuit.

Details

High Response Proportional Flow and Directional Control Valve
  • High-frequency response equivalent to electric/hydraulic servo valve.
  • High-output proportional solenoid directly drives spool.
  • Minor feedback with LVDT(Linear Variable Differential Transformer) enables accurate spool positioning.
  • All ports return to block position when amplifier is turned off or connection is disconnected. (Fail-safe function)

Details