The Festo LFR-3/4-D-O-DI-MAXI-A is a high-performance filter regulator designed for efficient pneumatic system operation. It includes an automatic condensate drain and a metal bowl guard, ensuring optimal filtration and durability.
Product Modellfr-3/4-d-o-di-maxi-a
Material Number192393
Product ID7603
Stock on Request
Last updated: 8/29/2026
Key Features
1
Efficient FiltrationThe LFR-3/4-D-O-DI-MAXI-A offers a filtration grade of 40 µm, ensuring that your pneumatic system operates with minimal contamination and maximum efficiency.
2
Automatic Condensate DrainThe fully automatic condensate drain feature eliminates the need for manual intervention, reducing downtime and enhancing overall system reliability.
3
Durable DesignEquipped with a metal bowl guard, this filter regulator provides robust protection against wear and tear, extending its lifespan and maintaining consistent performance.
4
Versatile Pressure RegulationThe LFR-3/4-D-O-DI-MAXI-A supports a pressure regulation range of 0.5 to 12 bar, making it suitable for a wide range of pneumatic applications.
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
Easy InstallationDesigned for vertical installation with a ±5° angle flexibility, the LFR-3/4-D-O-DI-MAXI-A offers easy integration into your existing pneumatic setup, minimizing installation time and effort.
Structural design
Filter regulator without pressure gauge
Max. condensate volume
43ml
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
5.8psi
Standard nominal flow rate
6800l/min
Operating medium
Compressed air as per ISO 8573-1:2010 [7:9:-] Inert gas
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
1600g
Type of mounting
Line installation
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
192393
Festo LFR-3/4-D-O-DI-MAXI-A Filter Regulator with Automatic Condensate Drain | INDSLT