Parker Spool Type Logic Element (R04F350V)

Part Number
R04F3-5.0V

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Parker’s spool type logic element valve family features a versatile range of screw-in elements that can provide flexible design solutions for many common cartridge valve applications with flows up to 500 lpm (132 gpm) and pressures up to 420 bar (6000 psi). Parker logic elements are small pilot controlled devices that offer system designers the advantage of using these valves in applications where the flow and pressure conditions may exceed the limits of typical cartridge valves. They can be used to control flow, pressure, or direction, and when applied in the proper arrangements, can perform multi-task control functions and will help reduce the size, cost, and complexity of integrated manifold systems.

Markets:
• Aerial
• Construction Equipment
• Material Handling Equipment
• Miscellaneous Industrial
• Miscellaneous Mobile

Features/Benefits:
• Low leakage design
• High flow capacity
• Hardened, precision ground parts for durability
• All external parts zinc plated

Applications:
• Fixed pump unloading
• High flow pressure compensation
• Load-sense unloading
• Priority steering/braking
• Winch control

Additional Technical Insight:
Logic elements are commonly used in conjunction with smaller, low flow solenoid or pilot valves in order to provide pilot pressure to the logic element for higher flow applications.
Technical Specification
Maximum Flow Rate 45 GPM, 170 L/MIN, 45 Gal/min, 170 L/min
Dampening Orifice Included Yes, Yes
Configuration Normally Closed, Normally Closed
Flow Direction Nose to Side (1-2), Nose to Side (1-2)
Seal Material Fluorocarbon, Fluorocarbon
Switching Pressure 73 PSI, 5 BAR, 5 bar, 73 psi
Operating Temperature -26 to +204 °C, -15 to +400 °F
Weight 0.14 kg, 0.3 lb
Cavity Size C10-3S
Minimum Operating Temperature -15 °F, -26 °C
For Fluid Type Mineral-based or synthetic hydraulic fluids
Installation Torque 37 lb-ft, 50 Nm
Actuation Type Vent to Open
Maximum Kinematic Viscosity 45-2000 SSU (6 to 420 cSt)
Maximum Operating Temperature +204 °C, +400 °F
Operation Type Pilot Operated
Flow Rate 26 @ 100 PSI (7 BAR) Nominal Gal/min, 100 @ 100 PSI (7 BAR) Nominal L/min
Vented Internal
Body Material N/A
Maximum Inlet Pressure Rating 6000 psi, 420 bar
Function Logic Valve
Filter Efficiency Rating ISO 4406 18/16/13, SAE Class 4
Leak Rate 50 @ 1450 PSI (BAR) cm3/min
Valve Material All parts steel. All operating parts hardened steel
Pilot Location Internal
Maximum Operating Pressure 6000 psi, 420 bar
Division Mobile Systems Division Europe