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A solenoid-operated, 3-way, direct-acting, spool-type, screw-in hydraulic directional valve.
When de-energized, the SV08-30 allows flow from ➁ to ➀ while blocking flow at ➂When energized, the cartridge’s spool shifts to open from ➂ to ➁, while blocking flow out ➀. While port ➀ may be fully pressurized, it is not intended to be used as the inlet.Operation of Manual Override Option: To override, push button in and twist counter-
clockwise 180°. The internal spring will push the button out. In this position, the valve
may be only partially shifted. To assure full override shift, pull the button out to its
fullest extension and hold it in this position.
To return to normal valve function, push button in, twist clockwise 180°, and release.
Override will be detented in this position.
• Continuous-duty rated solenoid.
• Hardened precision spool and cage for long life.
• Optional coil voltages and terminations.
• Effi cient wet-armature construction.
• Cartridges are voltage interchangeable.
• All ports may be fully pressurized.
• Manual override option.
• Optional waterproof E-Coils rated up to IP69K.
• Unitized, molded coil design.
• Fully guided spool.
• Compact size.
Operating Pressure: 207 bar (3000 psi)
Flow: See Performance Chart
Internal Leakage: Port ➂ (De-energized): 82 cc/minute (5 cu. in./minute) max. at 207 bar (3000 psi); Port ➀ (Energized): 164 cc/minute (10 cu. in./minute) max. at 207 bar (3000 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: 22 msec.; De-energized: 12 msec.
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 207 bar (3000 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: See Note on Dimension Drawing
Cavity: VC08-3, Variation “A”; See page 9.108.1
Cavity Tool: CT08-3XX; See page 8.600.1
Seal Kit: SK08-3X-MM; 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.
