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Festo
173799
Filter regulator LFR-3/4-D-O-MIDI-A-NPT
The Festo part number 173799 is a Midi size industrial component from the D series, featuring a 40 µm grade of filtration and a fully automatic condensate drain with a maximum condensate volume of 43 cm3. Operating within a working pressure range of 2 to 12 bar and a maximum pressure hysteresis of 0.2 bar, this unit delivers a standard nominal flow rate of 3,400 l/min for compressed air to ISO 8573-1:2010 [7:9:-] or inert gases. Built with a metal bowl guard, a 2 3/4 NPT pneumatic connection port, and a CRC 2 moderate corrosion resistance classification, the 830 g assembly functions at medium and ambient temperatures between 5 and 60 µC. Submit the exact part number, quantity, and application requirements to receive an RFQ 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
- 173799
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 173799.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- Midi
- Series
- D
- Grade of filtration
- 40 µm
- Condensate drain
- fully automatic
- Max. condensate volume
- 43 cm3
- Bowl guard
- Metal bowl guard
- Working pressure
- 2 ... 12 bar
- Max. pressure hysteresis
- 0.2 bar
- Standard nominal flow rate
- 3,400 l/min
- Operating medium
- Compressed air to ISO 8573-1:2010 [7:9:-] | Inert gases
- Note on operating and pilot medium
- Lubricated operation possible (subsequently required for further | operation)
- Corrosion resistance classification CRC
- 2 - Moderate corrosion stress
- PWIS conformity
- VDMA24364-B1/B2-L
- Storage temperature
- -10 ... 60 °C
- Air purity class at output
- Compressed air in accordance with ISO8573-1:2010 [7:8:4] | Inert gases
- Medium temperature
- 5 ... 60 °C
- Ambient temperature
- 5 ... 60 °C
- Product weight
- 830 g
- Mounting type
- with accessories
- Pneumatic connection, port
- 2 3/4 NPT
- Materials note
- Conforms to RoHS
- Material housing
- Zinc die-casting
- Material bowl
- PC
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 173799. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.