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SV12-22 Poppet, 2-Way, Normally Closed

SV12-22   Poppet, 2-Way, Normally Closed

SV12-22 Poppet, 2-Way, Normally Closed (SV12-22)

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Product Description

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

Product Operation

When de-energized, the SV12-22 acts as a check valve, allowing flow to pass from 1 to 2, while blocking flow in the reverse direction.
When energized, the poppet lifts to open the 2 to 1 flow path. In this mode, flow is also allowed from 1 to 2.
Operation of Manual Override Option: To override, push button in, twist counter-clockwise 180° and release. In this position, the valve will remain open.
To return to normal operation, push button in, twist clockwise 180° and release. Override will be detented in this position.

Product Features

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

Product Ratings

Operating Pressure: 240 bar (3500 psi)
Proof Pressure: 390 bar (5700 psi)
Flow: 114 lpm (30 gpm); see performance chart
Internal Leakage: 0.15 cc/minute (3 drops/minute) max. 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: 80 msec.
Initial Coil Current Draw at 20°C: Standard Coil: 1.67 amps at 12 VDC; 0.18 amps at 115 VAC (full wave rectified). 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-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.