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A proportional solenoid-operated, 2-way, poppet-type, normally open, screw-in hydraulic cartridge valve for low-leakage load-holding applications and for starting or stopping a load or a pump system.
When de-energized, the SP08-21 allows flow from 2 to 1. When the valve is partially energized, the valve begins to throttle the flow from 2 to 1. When fully energized, the poppet closes on the seat, blocking flow from 2 to 1. Flow from 1 to 2 will occur when hydraulic pressure exceeds the solenoid force.
Note: If low voltage is expected on the machine, 12 or 24 volt systems will require the use of 10 volt or 20 volt coils respectively. See “SP Valves and Coil Operating Parameters,” page 2.002.1.
• Industry-common cavity.
• Efficient wet-armature construction.
• Continuous-duty rated coils.
• Optional waterproof E-Coils rated up to IP69K.
Operating Pressure: 207 bar (3000 psi)
Operating Voltage: See Performance Chart
Flow: 0 to 22.7 lpm (0 to 6 gpm)
Max. Internal Leakage: 5 drops per minute at 207 bar (3000 psi)
Temperature: -40 to 120°C with standard Buna seals
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: SK08-2X-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.
ELECTRO-PROPORTIONAL VALVES—FLOW CONTROL
