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Festo
546471
Basic valve LFR-D-7-MAXI-A
The Festo part number 546471 is a Maxi size D-series filter regulator featuring a structural design without a pressure gauge, set up for G1/4 connection, and equipped with a rotary knob with detent actuator lock. It delivers a normal nominal flow rate of 1493 cfm for compressed air as per ISO 8573-1:2010 [7:9:-] or inert gases, operating within a pressure range of 0.2 MPa to 1.2 MPa and regulating pressure from 0.5 bar to 7 bar with a fully automatic condensate drain and a 40 µm filtration grade. This unit includes a metal bowl guard, holds a maximum condensate volume of 2.7 fl oz (US), and maintains a maximum pressure hysteresis of 6 psi under a vertical ±5° mounting position with a corrosion resistance class of 2. Submit the exact part number, quantity, and application requirements to receive 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
- 546471
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 546471.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- Maxi
- Series
- D
- Actuator lock
- Rotary knob with detent
- Mounting position
- Vertical ±5°
- Grade of ltration
- 40 µm
- Condensate drain
- Fully automatic
- Structural design
- Filter regulator without pressure gauge
- Max. condensate volume
- 2.7 oz (US)
- Bowl guard
- Metal bowl guard
- Pressure gauge
- Set up for G1/4
- Operating pressure
- 0.2 MPa...1.2 MPa | 2 bar...12 bar
- Pressure regulation range
- 0.5 bar...7 bar
- Max. pressure hysteresis
- 6 psi
- Normal nominal ow rate (normalized to DIN 1343)
- 1493 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
- Product weight
- 51.5 oz
- Type of mounting
- Alternatively: | In-line installation | With accessories
- Note on materials
- RoHS compliant
- 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 546471. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.