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Festo
194771
Filter regulator LFRS-3/4-D-O-MIDI-A
The Festo 194771 is a Midi size D series filter regulator without a pressure gauge, featuring a rotary knob with an integrated actuator lock and a fully automatic condensate drain. Designed for a working pressure of 2 to 12 bar and a pressure regulation range of 0.5 to 12 bar, this component achieves a standard nominal flow rate of 3,400 l/min with a 40 µm filtration grade. It incorporates a metal bowl guard, a maximum condensate volume of 43 cm3, and operates within a medium temperature range of 5 to 60 °C using compressed air or inert gases. Submit the exact part number, quantity, and application requirements to receive a quote.
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Request a Quote- Manufacturer
- Festo
- Part number
- 194771
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 194771.
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Verified configuration
Technical Specifications
- Size
- Midi
- Series
- D
- Actuator lock
- Rotary knob with integrated lock
- Assembly position
- Vertical +/- 5°
- Grade of filtration
- 40 µm
- Condensate drain
- fully automatic
- Design structure
- Filter regulator without pressure gauge
- Max. condensate volume
- 43 cm3
- Bowl guard
- Metal bowl guard
- Pressure gauge
- Prepared for G1/4
- Working pressure
- 2 ... 12 bar
- Pressure regulation range
- 0.5 ... 12 bar
- Max. pressure hysteresis
- 0.2 bar
- Standard nominal flow rate
- 3,400 l/min
- Operating medium
- Compressed air to ISO 8573-1:2010 [7:9:-] | Inert gases
- Note on operating and pilot medium
- Lubricated operation possible (subsequently required for further | operation)
- Corrosion resistance classification CRC
- 2 - Moderate corrosion stress
- Storage temperature
- -10 ... 60 °C
- Air purity class at output
- Compressed air in accordance with ISO8573-1:2010 [7:8:4] | Inert gases
- Medium temperature
- 5 ... 60 °C
- Ambient temperature
- 5 ... 60 °C
- Product weight
- 1,070 g
- Mounting type
- Line installation | with accessories | Optional
- Pneumatic connection, port
- 2 G3/4
- Materials note
- Conforms to RoHS
- Material housing
- Zinc die-casting
- Material 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 194771. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.