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Festo
173174
Pneumatic valve VL-5/3G-1/8-B1
The Festo part number 173174 is a 5/3 closed pneumatic industrial component featuring a piston slide design structure and a 17.8 mm width. This unit provides a standard nominal flow rate of 500 l/min, a working pressure of -0.9 to 10 bar, a nominal size of 5 mm, and an 18 mm grid dimension. Operating with direct piloting, external pilot air supply, and a pilot pressure of 3 to 8 bar, it includes mechanical spring reset, soft sealing, positive overlap, and throttleable exhaust-air functions with a b value of 0.3. Certified as UL Recognized (OL) with an assembly position of any and no manual override, this reversible flow-direction device is ready for specification. Submit the exact part number, quantity, and application requirements to receive a formal quote.
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- Manufacturer
- Festo
- Part number
- 173174
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 173174.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Valve function
- 5/3 closed
- Type of actuation
- pneumatic
- Width
- 17.8 mm
- Standard nominal flow rate
- 500 l/min
- Working pressure
- -0.9 ... 10 bar
- Design structure
- Piston slide
- Type of reset
- mechanical 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
- 3 ... 8 bar
- b value
- 0.3
- C value
- 2.2 l/sbar
- Switching time off
- 22 ms
- Switching time on
- 6 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
- 95 g
- Mounting type
- with through hole
- Pilot air port 12
- M5
- Pilot air port 14
- M5
- Pneumatic connection, port
- 1 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 173174. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.