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Festo
172942
start valve HEE-3/8-D-MIDI-110
The Festo 172942 is a piloted industrial component featuring a piston slide design structure with electrical actuation and a soft sealing principle. This 3/2 closed, monostable valve operates at a working pressure of 2.5 to 16 bar, delivering a standard nominal flow rate of 3,200 l/min with a 100% duty cycle and a mechanical spring reset. Designed for compressed air and inert gases within a medium temperature range of -10 to 60 °C, the unit includes a detenting manual override and a 110 V AC coil drawing 5 VA pick-up power. Submit the exact part number, quantity, and application requirements for a quote.
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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 172942
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 172942.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Design structure
- Piston slide
- Type of actuation
- electrical
- Sealing principle
- soft
- Exhaust-air function
- not throttleable
- Manual override
- detenting
- Type of reset
- mechanical spring
- Type of piloting
- Piloted
- Valve function
- 3/2 closed, monostable
- Working pressure
- 2.5 ... 16 bar
- C value
- 15.7 l/sbar
- b value
- 0.33
- Standard nominal flow rate
- 3,200 l/min
- Duty cycle
- 100 %
- Characteristic coil data
- 110 V AC: 50/60 Hz, pick-up power 5 VA, holding power 3.7 VA
- Permissible voltage fluctuation
- +/- 10 %
- Operating medium
- Compressed air in accordance with ISO8573-1:2010 [7:4:4] | Inert gases
- Note on operating and pilot medium
- Lubricated operation possible (subsequently required for further | operation)
- Corrosion resistance classification CRC
- 2 - Moderate corrosion stress
- Materials note
- Conforms to RoHS
- Medium temperature
- -10 ... 60 °C
- Ambient temperature
- -10 ... 60 °C
- CE symbol (see declaration of conformity)
- according to EU low voltage guideline
- Mounting type
- Line installation | with accessories
- Assembly position
- Any
- Flow direction
- non reversible
- Product weight
- 500 g
- Pneumatic connection, port
- 3 G1/4
- Air purity class at output
- Compressed air in accordance with ISO8573-1:2010 [7:4:4] | Inert gases
- Electrical connection
- Plug pattern type C to EN 175301-803 | Plug | Per DIN EN 175301-803
- Signal status display
- with accessories
- Material seals
- NBR
- Material housing
- Aluminum die cast
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 172942. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.