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Products/Festo/546424
Festo 546424 Basic valve LR-D-MIDI
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Festo

546424

Basic valve LR-D-MIDI

The Festo 546424 is a Midi size D-series industrial component featuring a directly controlled diaphragm regulator with a rotary knob with detent actuator lock and primary pressure compensation. Operating at up to 16 bar with a 0.5 bar to 12 bar pressure regulation range and a normal nominal flow rate of 503 cfm, this device accommodates compressed air and inert gases within a temperature range of 14 °F to 140 °F. It offers front panel mounting, in-line installation, or accessory mounting options with a moderate corrosion stress rating and a product weight of 23.1 oz. 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
546424
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 546424.
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
Actuator lock
Rotary knob with detent
Mounting position
Any
Structural design
Directly controlled diaphragm regulator
Controller function
Constant output pressure | With primary pressure compensation | With secondary exhausting
Pressure gauge
Set up for G1/4
Operating pressure
1.6 MPa | 16 bar
Pressure regulation range
0.5 bar...12 bar
Max. pressure hysteresis
0.02 MPa | 0.2 bar | 2.9 psi
Normal nominal ow rate (normalized to DIN 1343)
503 cfm
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4] | 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
Air quality class at the output
Compressed air as per ISO 8573-1:2010 [7:4:4] | Inert gases
Temperature of medium
14 °F...140 °F
Ambient temperature
14 °F...140 °F
Product weight
23.1 oz
Type of mounting
Front panel mounting | In-line installation | With accessories
Note on materials
RoHS compliant
Seals material
NBR
Housing material
Die-cast zinc

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 546424. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.