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HSV12-28

HSV12-28

HSV12-28 (HSV12-28)

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Product Description

A solenoid-operated, two-way, normally closed, internally piloted, poppet-type, bi-directional, screw-in hydraulic cartridge valve, designed to function as a load-hold-ing or blocking valve in applications requiring low internal leakage bi-directionally.

Product Operation

When energized, the HSV12-28 allows flow in both directions. When de-energized, the valve blocks flow in both directions.
Operation of Manual Override Option: The manual override feature is intended for emergency use, not continuous duty operation. To operate, the manual override pin must be seated in the lower detent groove. To shift the valve manually, the opera-tor pushes down on the knob and rotates 180 degrees in either direction. When the manual override is actuated, increased flow can be achieved by pulling on the knob.

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.
Manual override option.
Waterproof E-Coils rated up to IP69K.
Unitized, molded coil design.
Cost effective cavity.• All HyPerformance products are tested to the rigorous standards of the NFPA specification T2.6.1.• All HyPerformance valves are tested at a verification level of 90% and an assurance of 99%.

Product Ratings

Operating Pressure: 350 bar (5075 psi); 10% cycle life: 420 bar (6090 psi) Note: All HyPerformance products are tested for 900K cycles at 350 bar and 100K cycles at 420 bar.
Proof Pressure: 690 bar (10,000 psi)
Burst Pressure: 1380 bar (20,000 psi)
Flow Rating: 113.6 lpm (30 gpm)
Internal Leakage: 7 drops per minute maximum at 350 bar (5075 psi)
Temperature: -54 to 107°C (-65 to 225°F) with standard urethane seals
Coil Duty Rating: Continuous from 85% to 115% of nominal voltage
Initial Coil Current Draw at 20°C: E-coil: 1.7 amps at 12 VDC; 0.85 amps at 24 VDC
Minimum Pull-in Voltage: 85% of nominal at 350 bar (5075 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: HVC12-2; See page 9.112.1
Cavity Tool: CT12-2XX; See page 8.600.1
Seal Kit: SK12-2U-0; See page 8.650.1
Coil Nut: Part No. 4553800 For E-Coils manufactured prior to 1-1-04, see page 3.400.1 for coil nut info.5.5/806.9/1008.3/1204.1/602.8/401.4/2018.9537.81054.81594.625FLOW lpm/gpmPRESSURE DROP bar/psiPressure Drop vs. Flow1 to 2 2 to 132 cSt/150 sus oil at 40çC (104çF)113.63075.720
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