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A solenoid-operated, 2-way, normally open, piloted poppet-type, screw-in hydraulic cartridge valve, intended to act as a blocking or load-holding device for applications requiring low internal leakage.
When energized, the SF20-23 acts as a check valve, allowing flow from ➀ to ➁, while blocking flow from ➁ to ➀When de-energized, the cartridge’s poppet lifts to open the ➁ to ➀ flow path. In this mode, bidirectional flow is allowed.
• Continuous-duty rated coil.
• Hardened seat for long life and low leakage.
• Optional coil voltages and terminations.
• Cartridges are voltage interchangeable.
• Unitized, molded coil design.
• Optional waterproof E-Coils rated up to IP69K.
• Industry common cavity.
Operating Pressure: Maximum: 345 bar (5000 psi); Minimum: 1.4 bar (20 psi)
Flow: Up to 303 lpm (80 gpm)
Internal Leakage: 10 drops/minute max. at 345 bar (5000 psi)
Operating Temperature: -40 to 120°C with standard Buna N seals
-30 to 205°C with Fluorocarbon seals
-50 to 80°C with Polyurethane seals
Coil Duty Rating: Continuous from 85% to 115% of nominal voltage
Initial Coil Current Draw at 20°C: Standard Coil: 1.2 amps at 12 VDC; 0.13 amps at 115 VAC (full wave rectifi ed); E-Coil: 1.4 amps at 12 VDC; 0.7 amps at 24 VDC
Minimum Pull-in Voltage: 85% of nominal at 345 bar (5000 psi)
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC20-2; See page 9.120.1
Cavity Tool: CT20-2XX; See page 8.600.1
Seal Kit: SK20-2x-T; See page 8.650.1
Coil Nut: Part No. 7004410; For E-coils manufactured prior to 1-1-04, see page 3.400.1 for coil nut info.
