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A solenoid-operated, 2-way, normally closed, poppet-type, screw-in hydraulic cartridge valve with integral neutral sensor, designed to function as a load-holding or blocking valve in applications requiring low internal leakage.
When de-energized, the SV58-P20A acts as a check valve, allowing flow from 1 to 2, while blocking flow in the reverse direction. The neutral sensor will transmit an “Off” signal. When energized, the poppet lifts to open the 2 to 1 flow path. In this mode, flow from 1 to 2 is severely restricted. The neutral sensor will transmit an “On” signal.
• Continuous-duty rated solenoids with optional coil voltages and terminations.
• Hardened seat for long life and low leakage.
• Efficient wet-armature construction.
• Cartridges are voltage interchangeable.
• Integral position sensor, EMI/RFI CE-rated.
• Unitized, molded coil design — optional waterproof E-Coils rated up to IP69K.
• Industry common cavity.
Operating Pressure: 345 bar (5000 psi)
Proof Pressure: 483 bar (7000 psi)
Burst Pressure: 634 bar (9200 psi)
Flow: 22.7 lpm (6 gpm)
Internal Leakage: In Neutral: 0.15 cc/min. (5 drops/min.) max. at 345 bar (5000 psi)
Typical Flow (Leakage) in Transition: 0.3 lpm (0.8 gpm) at 345 bar (5000 psi); see Flow vs. Valve Shift graph.
Temperature: -54°C to 107°C (-65°F to 225°F) with Polyurethane seals;Sensor Option: -40°C to 110°C (-40°F to 230°F)
Coil Duty Rating: Continuous from 85% to 115% of nominal voltage
Pull-In Response Time: 70 ms (first indication of change when 100% voltage is applied to the coil)
Drop-Out Response Time: 104 ms (first indication of change when voltage goes to zero)
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
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: VC08-2; See page 9.108.1
Cavity Tool: CT08-2XX; See page 8.600.1
Seal Kit: SK08-2P-T; See page 8.650.1
Coil Nut: Part No. 7004400
Position Sensor Ratings: See Sensor Option page 3.010.1