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A screw-in, cartridge-style, pilot-operated, spool-type, hydraulic directional valve for three-way circuits requiring remote pilot actuation.
In neutral (unpiloted), the PD42-S50 allows flow from ➂ to ➁ bidirectionally, while flow is blocked at ➃On remote pilot signal at ➀, the valve shifts to open ➂ to ➃ while blocking ➁The spring chamber is vented to the tank through port ➄, which is common to the spring chamber. Pressure on port ➄ will directly (1:1) affect the pilot pressure required and must be added to the bias spring value.
• Hardened spool and cage for long life.
• Optional open transition (ports ➁, ➂ and ➃).
Maximum Operating Pressure: 345 bar (5000 psi)
Flow: See Performance Chart
Internal Leakage: 245 ml/minute (15 cu. in./minute) at 345 bar (5000 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: VC42-S5; See page 9.142.1
Cavity Tool: CT42-S5; See page 8.600.1
Seal Kit: SK42-S5X-BMMM; See page 8.650.1
