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Products/Festo/550171
Festo 550171 Proportional directional control valve VPWP-6-
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Festo

550171

Proportional directional control valve VPWP-6-

Engineered with a 6 mm nominal width and a piston gate valve structural design featuring integrated pressure sensors, this Festo 550171 is a 5/3 proportional directional control valve, closed, with a hard sealing principle and direct type of control. It operates within a pressure range of 0 bar to 10 bar (0 MPa to 1 MPa) at a nominal operating pressure of 6 bar (87 psi) and delivers a normal nominal flow rate of 700 l/min utilizing a 24 V DC nominal operating voltage. The unit incorporates status indications via yellow, green, and red LEDs, a magnetic spring reset method, and a VPWP safety position that approaches the blocked mid-position during a control interface malfunction. Submit the exact part number, quantity, and application requirements to request a quote for this component.

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Manufacturer
Festo
Part number
550171
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 550171.
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Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Nominal width
6 mm
Actuation type
Electrical
Sealing principle
Hard
Mounting position
Any | Preferably horizontal (display elements facing upwards); if the | pneumatic valve is moved, it must be mounted at right angles to the | direction of movement
Structural design
Piston gate valve | With integrated pressure sensors
Reset method
Magnetic spring
Safety instructions
VPWP safety position: the blocked mid-position is approached in case of | a control interface malfunction.
Type of control
directly
Flow direction
Non-reversible
Valve function
5/3 proportional directional control valve, closed
Status indications
LED yellow = PL (power load) | LED green = power | Red LED = error
Operating pressure
0 MPa...1 MPa | 0 bar...10 bar
Operating pressure for positioning/soft stop
4 bar...8 bar
Nominal operating pressure
0.6 MPa | 6 bar | 87 psi
Normal nominal ow rate (normalized to DIN 1343)
700 l/min
Nominal operating voltage DC
24 V
DC operating voltage range
18 V...30 V
Load voltage range DC
18 V...30 V
Max. load current at voltage output
500 mA
Max. load current of the digital output
500 mA
Max. current consumption, valve drive
1.2 A
Logic max. current consumption
0.15 A
Nominal voltage DC
24 V
Supply voltage of the digital output
24 V load voltage

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 550171. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.