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Festo
173720
Fine filter LFMB-3/4-D-MAXI-NPT
The Festo part number 173720 is an industrial component from the D series in the Maxi size, featuring a 1 µm grade of filtration and a manual, non-detenting condensate drain. It operates at a pressure range of 1 bar to 16 bar with compressed air as per ISO 8573-1:2010 [6:8:4] or inert gases, delivering an air quality class at the output of ISO 8573-1:2010 [5:7:3] with a max standard flow rate of 2220 l/min and min standard flow rate of 750 l/min. This unit includes a metal bowl guard, achieves a 99.99 % filter efficiency with a residual oil content of 0.5 mg/m³, and utilizes 3/4 NPT pneumatic connections for 1 and 2 in a vertical mounting position via in-line installation or a retaining bracket. 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
- 173720
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 173720.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Series
- D
- Size
- Maxi
- Grade of ltration
- 1 µm
- Condensate drain
- Manual, non-detenting
- Operating pressure
- 1 bar...16 bar
- Operating medium
- Compressed air as per ISO 8573-1:2010 [6:8:4] | Inert gases
- Air quality class at the output
- Compressed air as per ISO 8573-1:2010 [5:7:3] | Inert gases
- Max. standard ow rate for air quality class
- 2220 l/min
- Min. standard ow rate for air quality class
- 750 l/min
- Filter efficiency
- 99.99 %
- Bowl guard
- Metal bowl guard
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Temperature of medium
- 1.5 °C...60 °C
- Ambient temperature
- -10 °C...60 °C
- Residual oil content
- 0.5 mg/m³
- Type of mounting
- Alternatively: | In-line installation | With retaining bracket
- Mounting position
- Vertical
- Pneumatic connection 1
- 3/4 NPT
- Pneumatic connection 2
- 3/4 NPT
- Housing material
- Die-cast zinc
- Compressed air lter material
- Borosilicate glass ber
- Material of bowl
- PC
- Note on materials
- RoHS compliant
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 173720. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.