Festo LFR-3/4-D-O-MAXI-A: High-performance filter regulator with 5 μm or 40 μm filtration, space-saving design, and high flow rates. Suitable for various industrial applications.
Product Modellfr-3/4-d-o-maxi-a
Material Number162700
Product ID4944
Stock on Request
Last updated: 8/29/2026
Key Features
1
High-Performance FiltrationThe Festo LFR-3/4-D-O-MAXI-A features a high-grade filtration system with options for 5 μm or 40 μm filter inserts, ensuring excellent particle separation and maintaining high air purity.
2
Space-Saving DesignThis filter regulator is designed to be compact, making it ideal for installations where space is limited. Its in-line installation allows for efficient use of available space.
3
High Flow RatesWith its robust design, the LFR-3/4-D-O-MAXI-A supports high flow rates, ensuring that your pneumatic system operates efficiently even under demanding conditions.
4
Flexible Installation OptionsThe product offers two pressure gauge connections for flexible installation, allowing you to configure it according to your specific needs and setup.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Size
Maxi
Series
D
Actuator lock
Rotary knob with detent
Mounting position
Vertical +/- 5°
Grade of filtration
40μm
Condensate drain
Fully automatic
5
Reliable OperationThe LFR-3/4-D-O-MAXI-A is built to last with a well-tried component design, ensuring reliable operation and long service life. It is also compliant with ISO 1179-1 and ISO 228-1 standards for added reliability and safety.
Structural design
Filter regulator without pressure gauge
Max. condensate volume
80ml
Bowl guard
Metal bowl guard
Symbol
00991588
Pressure gauge
G1/4 prepared
Operating pressure
2bar 12bar
Pressure regulation range
0.5bar 12bar
Max. pressure hysteresis
0.4bar
Standard nominal flow rate
9700l/min
Operating medium
Compressed air as per ISO 8573-1:2010 [7:9:-] Inert gas
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
LABS (PWIS) conformity
VDMA24364-B1/B2-L
Storage temperature
-10°C 60°C
Air quality class at the output
Compressed air as per ISO 8573-1:2010 [7:8:4] Inert gas
Temperature of medium
5°C 60°C
Ambient temperature
5°C 60°C
Product weight
1300g
Type of mounting
Optionally: Line installation With accessories
Pneumatic connection 1
G3/4
Pneumatic connection 2
G3/4
Note on materials
RoHS-compliant
Housing material
Die-cast zinc
Material of bowl
PC
Manufacturer ID
162700
Festo LFR-3/4-D-O-MAXI-A Filter Regulator - High Performance Air Filtration | INDSLT
