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Products/Festo/546426
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Festo

546426

Basic valve LFR-D-MIDI-A

The Festo 546426 is a Midi size D-series filter regulator featuring a structural design without a pressure gauge and a rotary knob with detent actuator lock. It operates within a pressure regulation range of 0.5 bar to 12 bar and an operating pressure of 0.2 MPa to 1.2 MPa, delivering a normal nominal flow rate of 487 cfm for compressed air as per ISO 8573-1:2010 [7:9:-] or inert gases. Equipped with a 40 µm grade of filtration, a fully automatic condensate drain with a maximum condensate volume of 1.45 US fl oz, and a metal bowl guard, this unit maintains a vertical ±5° mounting position. Submit the exact part number, quantity, and application requirements to receive a quote.

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Manufacturer
Festo
Part number
546426
Data verification
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Verified configuration

Technical Specifications

Size
Midi
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
1.45  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...12 bar
Max. pressure hysteresis
3 psi
Normal nominal ow rate (normalized to DIN 1343)
487 cfm
Operating medium
Compressed air as per ISO 8573-1:2010 [7:9:-] | Inert gases
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
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
32.2 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

Confirm the exact configuration

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.

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 546426. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.