lfr-3/4-d-maxi-kg-a

Name: lfr-3/4-d-maxi-kg-a
Brand: FESTO
SKU: lfr-3/4-d-maxi-kg-a

The Festo LFR-3/4-D-MAXI-KG-A is a comprehensive pneumatic air preparation unit designed for reliable and efficient compressed air treatment. It includes a filter regulator, pressure switch, and condensate drain for optimal system performance.

Product Modellfr-3/4-d-maxi-kg-a

Material Number185790

Product ID6331

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Advanced Air FiltrationThe LFR-3/4-D-MAXI-KG-A features a high-grade filter with a 40 µm filtration rating, ensuring clean and dry compressed air for your industrial applications.
2
Robust DesignConstructed from durable die-cast zinc housing and a PC bowl guard, this unit is built to withstand the rigors of industrial environments.
3
Efficient Pressure RegulationWith a pressure regulation range of 0.5 bar to 12 bar, this unit provides precise control over your compressed air system, ensuring optimal performance.
4
Automatic Condensate DrainThe fully automatic condensate drain ensures that your system remains free from moisture, reducing the risk of corrosion and improving overall efficiency.
5

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Size

Maxi

Series

Actuator lock

Rotary knob with detent

Mounting position

Vertical +/- 5°

Grade of filtration

40μm

Condensate drain

Fully automatic

Versatile Mounting OptionsThe LFR-3/4-D-MAXI-KG-A offers flexible mounting options, including in-line installation and the use of accessories, making it easy to integrate into various pneumatic systems.

High-Performance Flow RateWith a standard nominal flow rate of 8400 l/min, this unit is designed to handle high-demand applications, ensuring reliable operation even under peak conditions.

Compliance with Industry StandardsThe LFR-3/4-D-MAXI-KG-A meets ISO 8573-1:2010 standards for compressed air quality and is compliant with VDMA24364-B1/B2-L for inert gases, ensuring it meets the highest industry standards for air purity and safety.

Operational Temperature RangeThe unit operates within a temperature range of -10 °C to 60 °C, making it suitable for a wide range of industrial environments.

Easy MaintenanceThe design includes a metal bowl guard and a fully automatic condensate drain, making maintenance tasks straightforward and efficient.

Corrosion ResistanceWith a corrosion resistance class of CRC 2, this unit is designed to handle moderate corrosion stress, ensuring longevity in harsh industrial conditions.

Branching module Pressure switch Shut off valve Filter regulator with pressure gauge Safety start-up valve

Max. condensate volume

80ml

Bowl guard

Metal bowl guard

Symbol

00991760

Pressure gauge

with pressure gauge

Operating pressure

43.5psi 174psi

Pressure regulation range MPa

0.25MPa 1.2MPa

Pressure regulation range

2.5bar 12bar

Pressure regulation range psi

36.25psi 174psi

Max. pressure hysteresis

3.625psi

Standard nominal flow rate

4900l/min

Operating medium

Compressed air as per ISO 8573-1:2010 [-:-:-] Inert gas

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 [7:8:4] Inert gas

Temperature of medium

-10°C 60°C

Ambient temperature

-10°C 60°C

Product weight

5200g

Type of mounting

Optionally: Line installation With accessories

Pneumatic connection 1

G3/4

Pneumatic connection 2

G3/4

Housing material

Die-cast zinc

Material of bowl

Manufacturer ID

185790