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Festo
4772772
Filter regulator LFR-N1/4-D-5M-O-MIDI-T18-EX4
The Festo industrial component, part number 4772772, is a Midi size Series D filter regulator featuring a structural design without a pressure gauge and set up for G1/4. It operates within a pressure range of 1 bar to 20 bar, a regulation range of 0.5 bar to 12 bar, and provides a normal nominal flow rate of 1600 l/min alongside a 5 µm grade of filtration. Certified for explosive environments including ATEX and UKEX Zone 1, Zone 2, Zone 21, and Zone 22, the unit incorporates a manual rotating condensate drain with a maximum volume of 42 cm³, an integrated metal bowl bowl guard, and a rotary knob with detent actuator lock designed for a vertical ±5° mounting position. Submit the exact part number, quantity, and application requirements to request 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
- 4772772
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 4772772.
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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
- Vertical ±5°
- Grade of ltration
- 5 µm
- Condensate drain
- Manual, rotating
- Structural design
- Filter regulator without pressure gauge
- Max. condensate volume
- 42 cm³
- Bowl guard
- Integrated as metal bowl
- Pressure gauge
- Set up for G1/4
- Operating pressure
- 0.1 MPa...2 MPa | 1 bar...20 bar
- Pressure regulation range
- 0.5 bar...12 bar
- Max. pressure hysteresis
- 0.02 MPa | 2.9 psi
- Normal nominal ow rate (normalized to DIN 1343)
- 1600 l/min
- CE marking (see declaration of conformity)
- as per EU explosion protection directive (ATEX)
- UKCA marking (see declaration of conformity)
- acc. to UK EX instructions
- Explosion protection certication outside the EU
- EPL Db (GB) | EPL Gb (GB)
- Explosion prevention and protection
- Zone 1 (ATEX) | Zone 1 (UKEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 21 (UKEX) | Zone 22 (ATEX)
- ATEX category gas
- II 2G
- ATEX category for dust
- II 2D
- Type of ignition protection for gas
- Ex h IIC T6 Gb X
- Type of (ignition) protection for dust
- Ex h IIIC T85°C Db X
- Explosive ambient temperature
- -20°C <= Ta <= +80°C
- Operating medium
- Compressed air as per ISO 8573-1:2010 [-:9:-] | Inert gases
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
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 4772772. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.