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

Name: lfr-1/4-d-5m-o-midi-t3-ex4
Brand: FESTO
SKU: lfr-1/4-d-5m-o-midi-t3-ex4

The Festo LFR-1/4-D-5M-O-MIDI-T3-EX4 is a robust pneumatic filter regulator designed for precise air filtration. With a 5 μm filtration grade, it ensures high-quality air supply. The manual rotary condensate drain and integrated metal bowl guard make maintenance easy. Suitable for extended cold temperatures and various industrial applications.

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

Material Number5271792

Product ID9535

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
High Filtration GradeThe LFR-1/4-D-5M-O-MIDI-T3-EX4 features a 5 μm filtration grade, ensuring that the air supply is clean and free from contaminants, which is crucial for maintaining equipment performance and extending its lifespan.
2
Manual Condensate DrainThe manual rotary condensate drain allows for easy removal of condensate, reducing the risk of water accumulation and ensuring continuous operation. This feature is particularly useful in applications where water presence could be detrimental.
3
Extended Cold Temperature OperationDesigned to operate in temperatures ranging from -40°C to +80°C, this filter regulator can handle extreme cold conditions, making it suitable for use in various industrial environments.
4
Integrated Metal Bowl GuardThe integrated metal bowl guard provides additional protection against dust and debris, enhancing the overall filtration efficiency and extending the lifespan of the filter.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Size

Midi

Series

Actuator lock

Rotary knob with detent

Mounting position

Vertical +/- 5°

Grade of filtration

5μm

Condensate drain

Manually rotating

ATEX and UKEX CertificationThe LFR-1/4-D-5M-O-MIDI-T3-EX4 is certified to ATEX and UKEX standards, ensuring it meets the necessary safety regulations for use in explosive environments. This certification provides peace of mind for users operating in hazardous conditions.

Robust Design and ConstructionBuilt with a robust design and high-quality materials, this filter regulator is durable and reliable, capable of withstanding the demands of continuous operation in industrial settings.

Versatile Mounting OptionsThe filter regulator can be mounted either in-line or with accessories, offering flexibility in installation to suit different application requirements.

Pressure Regulation RangeThe pressure regulation range of 0.5 bar to 12 bar ensures that the filter regulator can handle a wide variety of pneumatic system pressures, making it versatile for various industrial applications.

CE Marking and ComplianceThe product carries CE marking, indicating compliance with EU safety and health regulations. Additionally, it meets the requirements of the EU Explosion Protection Directive (ATEX) and UK Explosion Protection Directive (UKEX), ensuring it is safe for use in explosive environments.

High Nominal Flow RateWith a standard nominal flow rate of 1600 l/min (standardized to DIN 1343), this filter regulator can handle high airflow requirements, making it suitable for demanding industrial applications.

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

G1/4

Note on materials

RoHS-compliant

Housing material

Die-cast zinc

Material of bowl

Wrought aluminum alloy

Manufacturer ID

5271792