Vickers | F3-DG5S-8-6C-T-M-FW-B5-30
F3-DG5S-8-6C-T-M-FW-B5-30
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The F3-DG5S-8-6C-T-M-FW-B5-30 valve belongs to the DG5 Two-Stage Directional Valves series and is manufactured by Vickers. It directs hydraulic flow in automated circuits by combining an electrically actuated pilot stage with a main stage spool. A flying lead coil provides the electrical interface, and the coil is rated for 110 V AC at 50 Hz or 120 V AC at 60 Hz so the pilot solenoid can be driven from standard power supplies. Installation is done on an ISO 4401-08, NFPA D08 manifold, which places the pressure and work ports in a recognized pattern for interchangeability. The spool is code 6, meaning the pressure port is blocked while both work ports are connected to tank in the centered position, enabling pump unloading during standby. A spring-centered arrangement returns the spool to this neutral state when the coil is de-energized. Fluorocarbon seals identified by the F3 suffix withstand aggressive fluids and elevated temperatures. A 1/2 NPT thread on the wiring housing simplifies conduit routing in industrial environments.
System performance is defined by a rated pressure of 210 bar on pressure and work ports, allowing the valve to operate in medium-pressure power units. The internal pilot drain routes pilot flow to the tank gallery without external plumbing, and tank line back-pressure may reach 100 bar when this internal drain is used. A maximum pilot pressure of 210 bar ensures consistent spool shifting, while a minimum pilot pressure of 8 bar is required to achieve the recommended flow rate of 170 L/min. Under full differential at 210 bar the valve tolerates a peak flow of 380 L/min without malfunction, supporting rapid actuator motion. Compatibility with mineral oil and fire-resistant fluids broadens the usable fluid list in plant safety programs. The assembly weighs 15.0 kg, which must be considered when sizing manifold supports. Together, these hydraulic limits and material selections position the valve for dependable directional control in presses, molding machines, and similar automated equipment.
Technical Specifications
Coil Type
Flying Lead
Coil Voltage
110V AC 50Hz/120V AC 60Hz
Fluid Compatibility
Mineral Oil & Fire-Resistant Fluids
Max Flow W/o Malfunction (210 Bar)
380 L/min (100 USgpm)
Maximum Pilot Pressure
210 bar (3000 psi)
Minimum Pilot Pressure (rec. Flow)
8 bar (120 psi)
Mounting Interface
ISO 4401-08 (NFPA D08)
Pilot Drain
Internal
Rated Pressure (p,a,b)
210 bar (3000 psi)
Recommended Flow
170 L/min (45 USgpm)
Seal Material
Fluorocarbon (F3)
Spool Type
6 (Closed P; A & B to T)
Spring Arrangement
Spring Centered
Tank Line Pressure Max (internal Drain)
100 bar (1450 psi)
Valve Weight
15.0 kg (33 lb)
Wiring Housing Thread
1/2 NPT
1620 Old Apex Road
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