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SV12-28 (SV12-28)

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Product Description

A solenoid-operated, two-way, normally closed, internally piloted, poppet-type, bi-directional blocking, screw-in hydraulic cartridge valve, designed for low leakage in load-holding applications.

Product Operation

When de-energized, the SV12-28 blocks flow in both directions. When energized, the valve’s poppet opens on its seat, allowing flow from ➁ to ➀ or ➀ to ➁

Product Features

Continuous-duty rated coil.
Optional coil voltages and terminations.
Effi cient wet-armature construction.
Manual Override option.
Cartridges are voltage interchangeable.
Optional waterproof E-Coils rated up to IP69K.
Hardened seat for long life and low leakage.
Unitized, molded coil design.
Cost-effective cavity.

Product Ratings

Operating Pressure: 240 bar (3500 psi)
Flow: 113.6 lpm (30 gpm)
Internal Leakage: 7 drops per minute maximum at 240 bar (3500 psi)
Temperature: -40 to 120°C with standard Buna seals
Coil Duty Rating: Continuous from 85% to 115% of nominal voltage
Response Time: First indication of change of state with 100% voltage supplied at 80% of nominal flow rating: Energized: 40 msec.; De-energized: 32 msec.
Initial Coil Current Draw at 20°C: Standard Coil: 1.67 amps at 12 VDC; 0.18 amps at 115 VAC (full wave rectifi ed). E-Coil: 1.7 amps at 12 VDC; 0.85 amps at 24 VDC
Minimum Pull-in Voltage: 85% of nominal at 240 bar (3500 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: VC12-2; See page 9.112.1
Cavity Tool: CT12-2XX; See page 8.600.1
Seal Kit: SK12-2X-M; 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.5.5/806.9/1008.3/1209.7/1404.1/602.8/401.4/2022.7645.41268.11890.824FLOW lpm/gpmPRESSURE DROP bar/psi➀ to ➁ or ➁ to ➀32 cSt/150 sus oil at 40°C113.630