Product Model
lfr-1/4-d-5m-o-midi-t3-ex4

Selling Points
- 1The Festo LFR-1/4-D-5M-O-MIDI-T3-EX4 filter regulator features a 5μm filtration grade, ensuring high-quality air for your compressed air systems.
- 2This filter regulator is certified to ATEX categories II 2G and II 2D, making it suitable for use in hazardous environments.
- 3With a robust design and materials like die-cast zinc housing and wrought aluminum alloy bowl, this filter regulator is built to last.
- 4The rotary knob with detent actuator lock provides easy operation and ensures precise pressure regulation within the 0.5 bar to 12 bar range.
- 5The filter regulator can be mounted in-line or with accessories, offering flexibility in installation.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Size | Midi | Series | D |
Actuator lock | Rotary knob with detent | Mounting position | Vertical +/- 5° |
Grade of filtration | 5μm | Condensate drain | Manually rotating |
Structural design | Filter regulator without pressure gauge | Max. condensate volume | 42ml |
Bowl guard | Integrated as metal bowl guard | Symbol | 00991586 |
Pressure gauge | G1/4 prepared | Operating pressure | 1bar 20bar |
Pressure regulation range | 0.5bar 12bar | Max. pressure hysteresis | 2.9psi |
Standard nominal flow rate | 1600l/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 certification 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 | -40°C <= Ta <= +80°C |
Operating medium | Compressed air as per ISO 8573-1:2010 [-:9:-] Inert gas | Information on operating and pilot media | Operation with oil lubrication possible (required for further use) |
Corrosion resistance class (CRC) | 3 - High corrosion stress | LABS (PWIS) conformity | VDMA24364 zone III |
Storage temperature | -40°C 80°C | Air quality class at the output | Compressed air as per ISO 8573-1:2010 [6:8:4] Inert gas |
Temperature of medium | -40°C 80°C | Ambient temperature | -40°C 80°C |
Product weight | 1400g | Type of mounting | Optionally: Line installation With accessories |
Pneumatic connection 1 | G1/4 | Pneumatic connection 2 | G? |
Note on materials | RoHS-compliant | Housing material | Die-cast zinc |
Material of bowl | Wrought aluminum alloy | Manufacturer ID | 5271792 |
Specifications may be subject to change without notice