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SF20-22 Poppet, 2-Way, N.C., High Pressure

SF20-22   Poppet, 2-Way, N.C., High Pressure

SF20-22 Poppet, 2-Way, N.C., High Pressure (SF20-22)

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Product Description

A solenoid-operated, 2-way, normally closed, piloted poppet-type, screw-in hydraulic cartridge valve, intended to act as a blocking or load-holding device for applications requiring low internal leakage.

Product Operation

When de-energized, the SF20-22 acts as a check valve, allowing flow from ➀ to ➁, while blocking flow from ➁ to ➀When energized, the cartridge’s poppet lifts to open the ➁ to ➀ flow path. In this mode, bidirectional flow is allowed.

Product Features

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.

Product Ratings

Operating Pressure: Maximum: 345 bar (5000 psi); Minimum: 1.4 bar (20 psi).Pressure rating established per NFPA/T2.6.1 R2-2000 using 90% assurance and 90% verifi cation levels for 1 million cycles.
Flow: Up to 303 lpm (80 gpm)
Internal Leakage: 10 drops/minute max. at 345 bar (5000 psi)
Operating Temperature: -40 to 100°C with standard Buna N seals
-26 to 204°C with Fluorocarbon seals
-54 to 107°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 5 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. 7004400; For E-coils manufactured prior to 1-1-04, see page 3.400.1 for coil nut info.