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EH Pilot Relief Valves
Brand: YukenThe valve can be used as a pilot valve of the Proportional Electro- Hydraulic Control Valves. The valve can also be used as a relief valve for the hydraulic system where a small flow rate and continuous pressure control are required.
Specifications
Brand
Maximum Operating Pres.
- 24.5 MPa (3550 psi)
Maximum Flow
- 2 L/min (.53 U.S.GPM)
Minimum Flow
- 0.3 L/min (.08 U.S.GPM)
Pressure Adjustment Range
Coil Resistance
- 10 Ω
Hysteresis
- 3 % (1 %) or less
Repeatability
- 1 % or less
Frequency Response
- B : 10 (27) Hz
- C: 10 (27) Hz
- H : 12 (27) Hz
Supply Electric Power
- 24 Vdc (21 to 28 Vdc Included Ripple)
Power Input (Maximum)
- 28 W
Input Signal
- B : 6.9 MPa (1000 psi) / 5 Vdc
- C: 15.7 MPa (2275 psi) / 5 Vdc
- H: 24.5 MPa (3550 psi) / 5 Vdc
Input Impedance
- 10 k Ω
Alarm Signal Output (Open Collector)
- Voltage: Max. 30 Vdc
- Current: Max. 40 mA
Pressure Signal Output
- B: 5 Vdc / 6.9 MPa (1000 psi)
- C: 5 Vdc 15.7 MPa (2275 psi)
- H: 5 Vdc 24.5 MPa (3550 psi)
Ambient Temperature
- 0 - 50° C (32 - 122° F) (With Circulated Air)