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Festo
546423
Basic valve LF-D-MIDI-A-U
The Festo 546423 is a Midi size industrial component from the D series, featuring a 40 µm sinter filter with a centrifugal separator and a fully automatic condensate drain. It provides a normal nominal flow rate of 424 cfm within an operating pressure range of 29 psi to 174 psi while handling compressed air per ISO 8573-1:2010 [7:9:-] or inert gases. Designed for vertical mounting within plus or minus 5 degrees, this unit includes a metal bowl guard and operates at medium and ambient temperatures between 41 °F and 140 °F. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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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
- 546423
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 546423.
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
- Mounting position
- Vertical ±5°
- Grade of ltration
- 40 µm
- Condensate drain
- Fully automatic
- Structural design
- Sinter lter with centrifugal separator
- Bowl guard
- Metal bowl guard
- Degree of condensate separation
- 75 %
- Operating pressure
- 0.2 MPa...1.2 MPa | 2 bar...12 bar | 29 psi...174 psi
- Normal nominal ow rate (normalized to DIN 1343)
- 424 cfm
- 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
- 14 °F...140 °F
- Air quality class at the output
- Compressed air as per ISO 8573-1:2010 [7:8:4] | Inert gases
- Temperature of medium
- 41 °F...140 °F
- Ambient temperature
- 41 °F...140 °F
- Pore size
- 40 µm
- Product weight
- 24.5 oz
- Type of mounting
- Alternatively: | In-line installation | With retaining bracket
- 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 546423. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.