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A screw-in, cartridge-style, pilot-operated, spool-type, normally open, hydraulic directional valve for two-way circuits requiring remote pilot actuation.
In neutral (unpiloted), the PD12-30 allows flow from ➂ to ➁ bidirectionally. V is a spring chamber vent-to-atmosphere, which is internally O-ring sealed from the
cartridge flow paths.
On remote pilot signal at ➀, the valve shifts to block ➁ to ➂ bidirectionally.Because of the vented spring chamber, the cartridge may be fully pressurized at any
port without affecting required pilot pressure.
• Hardened spool and cage for long life.
• Cost-effective cavity.
Operating Pressure: 240 bar (3500 psi)
Flow: See Performance Chart
Internal Leakage: 82 cc/minute (5 cu. in./minute) max. at 207 bar (3000 psi)
Pilot Pressure Required for 7.6 bar (110 psi) Spring:to Cross-Over: 7.6 bar (110 psi)to Full Shift: 9.1 bar (132 psi)
Oil Volume Required to Full Shift: 1.32 cc (0.08 cu. in.)
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: VC12-3; See page 9.112.1
Cavity Tool: CT12-3XX; See page 8.600.1
Seal Kit: SK12-3X-MM; See page 8.650.1
Cap Vent Seal: 6003121
