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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.
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Festo
173701
Filter LF-3/4-D-MAXI-A-NPT
The Festo part number 173701 is a Maxi size industrial component from the D series designed for vertical mounting with a 40 µm filtration grade and a fully automatic condensate drain. It features 3/4 NPT pneumatic connections for both connection 1 and connection 2, an operating pressure range of 2 bar to 12 bar, and a nominal flow rate of 5000 l/min normalized to DIN 1343. Built with a metal bowl guard and protective grounding on the compressed air filter material, this unit operates with compressed air as per ISO 8573-1:2010 [7:9:-] or inert gases within a medium and ambient temperature range of 5 °C to 60 °C. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
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
- 173701
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 173701.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- Maxi
- Series
- D
- Mounting position
- Vertical
- Grade of ltration
- 40 µm
- Condensate drain
- Fully automatic
- Bowl guard
- Metal bowl guard
- Operating pressure
- 2 bar...12 bar
- Normal nominal ow rate (normalized to DIN 1343)
- 5000 l/min
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:9:-] | Inert gases
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Storage temperature
- -10 °C...60 °C
- Air quality class at the output
- Compressed air as per ISO 8573-1:2010 [7:8:4] | Inert gases
- Temperature of medium
- 5 °C...60 °C
- Ambient temperature
- 5 °C...60 °C
- Type of mounting
- Alternatively: | In-line installation | With retaining bracket
- Pneumatic connection 1
- 3/4 NPT
- Pneumatic connection 2
- 3/4 NPT
- Note on materials
- RoHS compliant
- Compressed air lter material
- Protective grounding
- Housing material
- Die-cast zinc
- Material of 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 173701. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.