SP08-20A Poppet, 2-Way, Normally Closed (SP08-20A)

A proportional solenoid-operated, two-way, poppet-type, normally closed, screw-in hydraulic cartridge valve for low-leakage blocking and load-holding applications.

Product Operation

When de-energized, the SP08-20A acts as a check valve, allowing flow from 1 to 2, and blocking flow from 2 to 1. When energized, the 2 to 1 flow path is opened. Flow is proportional to current applied to the coil. Flow varies with manual override.
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.

Product Features

 Industry-common cavity.
 Efficient wet-armature construction.
 Continuous-duty rated coils.
 Optional waterproof E-Coils rated up to IP69K.
 Manual override option.

Product Ratings

Operating Pressure: 207 bar (3000 psi)
Flow: 30.3 lpm (8 gpm) nominal; see performance charts
Minimum Operating Dither/Pulse Frequency: 70 Hz
Hysteresis: Less than 5% up to 85% of I-max.; Less than 10% above 85% of I-max.
Max. Internal Leakage: 5 drops per minute at 207 bar (3000 psi)
Operating Temperature: –40 to 100°C (-40° to 212°F) with standard Buna N seals
26 to 204°C (-15°F to 400°F) with Fluorocarbon seals
54 to 107°C (-65°F to 225°F) with Polyurethane seals
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
Filtration: See page 9.010.1;
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
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