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Festo
173171
Pneumatic valve J-5/2-1/8-B
The Festo 173171 is a 5/2 bistable industrial component featuring a pneumatic actuation design with a 17.8 mm width and a standard nominal flow rate of 650 l/min. Operating at a working pressure range of -0.9 to 10 bar, this piston slide unit utilizes an air spring reset, direct piloting with an external pilot air supply, and throttleable exhaust-air functionality. Recognized under UL standards, it incorporates soft sealing, a positive overlap lap, a 5 mm nominal size, an 18 mm grid dimension, and a reversible flow direction with a 1.5 to 8 bar pilot pressure range and a b value of 0.42. Submit the exact part number, quantity, and application requirements to receive a formal quotation for this component.
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- Manufacturer
- Festo
- Part number
- 173171
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 173171.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Valve function
- 5/2 bistable
- Type of actuation
- pneumatic
- Width
- 17.8 mm
- Standard nominal flow rate
- 650 l/min
- Working pressure
- -0.9 ... 10 bar
- Design structure
- Piston slide
- Type of reset
- Air spring
- Authorization
- UL - Recognized (OL)
- Nominal size
- 5 mm
- Grid dimension
- 18 mm
- Exhaust-air function
- throttleable
- Sealing principle
- soft
- Assembly position
- Any
- Manual override
- None
- Type of piloting
- direct
- Pilot air supply
- external
- Flow direction
- reversible
- Lap
- Positive overlap
- Pilot pressure
- 1.5 ... 8 bar
- b value
- 0.42
- C value
- 3.2 l/sbar
- Switching time reversal
- 5 ms
- Operating medium
- Compressed air in accordance with ISO8573-1:2010 [7:4:4]
- Note on operating and pilot medium
- Lubricated operation possible (subsequently required for further | operation)
- Vibration resistance
- Transport application test at severity level 1 in accordance with FN | 942017-4 and EN 60068-2-6
- Shock resistance
- Shock test with severity level 2 in accordance with FN 942017-5 and EN | 60068-2-27
- Corrosion resistance classification CRC
- 2 - Moderate corrosion stress
- Storage temperature
- -20 ... 40 °C
- Medium temperature
- -5 ... 50 °C
- Sound pressure level
- 75 dB(A)
- Pilot medium
- Compressed air in accordance with ISO8573-1:2010 [7:4:4]
- Ambient temperature
- -5 ... 50 °C
- Product weight
- 75 g
- Mounting type
- with through hole
- Pilot air port 12
- M5
- Pilot air port 14
- M5
- Pneumatic connection, port
- 2 G1/8
Engineering context
Identification and RFQ Guidance
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 173171. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.