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A proportional solenoid-operated, 2-way, poppet-type, normally closed, screw-in hydraulic cartridge valve for low-leakage blocking and load-holding applications.
When de-energized, the SP16-20 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 opens. Flow is proportional to current applied to the coil.
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.
• Manual override options.
Operating Pressure: 250 bar (3625 psi)
Flow: Up to 265 lpm (70 gpm); see performance curves.
Dither/Pulse Frequency: 100 to 400 Hz
Hysteresis: Less than 5% below 60% of I-max.; Less than 10% above 60% of I-max.
Maximum Control Current: 1.2 amps
Max. Internal Leakage: 5 drops per minute at rated pressure
Temperature: -40 to 120°C with standard Buna 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: VC16-2; See page 9.116.1;
Cavity Tool: CT16-2XX; See page 8.600.1
Seal Kit: SK16-2X-T; See page 8.650.1
Coil Nut: Part No. 7004400; for E-coils manuf. prior to 1-1-04, see page 3.400.1.
ELECTRO-PROPORTIONAL VALVES—FLOW CONTROL
