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A solenoid-operated, 4-way, 3-position, direct-acting, spool-type, motor spool, screw-in hydraulic cartridge valve.
When de-energized, the SV08-47D blocks flow to 3, while allowing flow from 2 to 1, and from 4 to 1. When coil #1 is energized, flow is allowed from 3 to 4, and from 2 to 1. When coil #2 is energized, flow is allowed from 3 to 2, and from 4 to 1.
In circuits where work port flows are unequal due to cylinder ratios, the higher return flow should be directed to port 2.
While 1 may be fully pressurized, it is not intended for use as the valve’s inlet.
Operation of Manual Override Option: To override, push the knurled button to activate the coil #2 (S2) function, or pull the knob to activate the coil #1 (S1) function.
• Continuous-duty rated solenoid.
• Hardened precision spool and cage for long life.
• Optional coil voltages and terminations.
• Efficient wet-armature construction.
• All ports may be fully pressurized.
• Cartridges are voltage interchangeable.
• Unitized, molded coil design.
• Compact size.
• Optional waterproof E-Coils rated up to IP69K.
• Manual override option.
Operating Pressure: 207 bar (3000 psi)
Flow: 11.4 lpm (3 gpm) max.
Internal Leakage: 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
Initial Coil Current Draw at 20° C: Standard Coil: 1.2 amps at 12 VDC; 0.13 amps at 115 VAC (full wave rectified). 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: No restrictions; See page 9.020.1
Cavity: VC08-4; See page 9.108.1
Cavity Tool: CT08-4XX; See page 8.600.1
Seal Kit: SK08-4X-MMM; See page 8.650.1
Coil Nut: Part No. 7004400;
Manual Override Coil Nut: Part No. 4528180;
Coil Spacer: Std
Part No. 7012940; E-Coil Spacer Part No. 4534720; If cartridge is ordered "Less Coil," D-Coil spacer will be provided unless an E is specified in the Coil Termination To Order section.