LFR-1-2-D-5M-DI-MAXI-A Festo Filter Regulator

USD 218.40

Maxi size filter regulator with 5 µm filtration grade and $G1/2$ ports. Features a 0.5–12 bar regulation range, 4000 l/min flow, and fully automatic drain.

SKU Festo-192388 Category
Compressed air preparation

LFR-1/2-D-5M-DI-MAXI-A Festo Filter regulator

Model Identifier LFR-1/2-D-5M-DI-MAXI-A
Official Part Number 192388
GTIN Standard 4052568151249

Technical Overview

The Festo LFR-1/2-D-5M-DI-MAXI-A is a high-performance filter regulator from the classic D-series, engineered for precise compressed air preparation. It features a 5 µm grade of filtration and a fully automatic condensate drain to ensure optimal air quality. This unit supports a high flow rate of 4000 l/min and a pressure regulation range between 0.5 and 12 bar. Constructed with a die-cast zinc housing and a polycarbonate bowl with metal guard, it is designed for vertical in-line installation. Note: This product is currently in phase-out and scheduled for discontinuation by December 2028.

Key Features

  • Combined filter and pressure regulator unit
  • Fully automatic condensate drain
  • Actuator lock with rotary knob and detent
  • Metal bowl guard for increased protection
  • Analog pressure gauge included
  • RoHS-compliant materials
  • Vertical mounting position with +/- 5° tolerance
  • Wide pressure regulation range from 0.5 to 12 bar

High standard nominal flow rate of 4000 l/min with integrated fully automatic condensate drain.

Technical Specification Matrix

ParameterValue
SizeMaxi
SeriesD
Actuator lockRotary knob with detent
Mounting positionVertical +/-5°
Grade of filtration5 µm
Condensate drainFully automatic
DesignFilter regulator with pressure gauge
Max. condensate volume43 ml
Bowl guardMetal bowl guard
Symbol00991587
Pressure displayWith pressure gauge
Operating pressure (MPa)0.2 MPa ... 1.2 MPa
Operating pressure (bar)2 bar ... 12 bar
Pressure regulation range0.5 bar ... 12 bar
Max. pressure hysteresis (MPa)0.04 MPa
Max. pressure hysteresis (bar)0.4 bar
Max. pressure hysteresis (psi)5.8 psi
Standard nominal flow rate4000 l/min
Operating mediumCompressed air to ISO 8573-1:2010 [7:9:-] Inert gases
LABS (PWIS) conformityVDMA24364-B1/B2-L
Storage temperature-10 °C ... 60 °C
Air purity class at outputCompressed air to ISO 8573-1:2010 [6:8:4] Inert gases
Media temperature5 °C ... 60 °C
Ambient temperature5 °C ... 60 °C
Product weight1670 g
Type of mountingIn-line installation
Pneumatic connection, port 1G1/2
Pneumatic connection, port 2G1/2
Note on materialsRoHS-compliant
Material housingDie-cast zinc
Material bowlPC

Industrial Applications

1. High-Volume Automotive Robotic Assembly Cell

Serves as the primary point-of-use air preparation unit for a high-speed robotic assembly cell, delivering continuous, clean compressed air to multiple heavy-duty pneumatic actuators, torque tools, and grippers simultaneously.

Problem Solved

Prevents pneumatic tool starvation and premature wear caused by pressure drops and moisture contamination. The massive 4000 l/min nominal flow rate ensures stable operation for multiple tools, while the fully automatic condensate drain removes moisture continuously without requiring manual maintenance line stoppages.

4000 l/min nominal flow rateFully automatic condensate drain5 µm filtrationMaxi sizeDie-cast zinc housing

2. Heavy-Duty CNC Machining Center Air Preparation

Installed inline directly upstream of a CNC machining center to regulate shop air for precision pneumatic workholding chucks, tool changers, and air-blast chip removal systems in a harsh metalworking environment.

Problem Solved

Eliminates erratic workholding clamping forces and prevents internal machine valve stiction caused by dirty shop air. The 5 µm grade of filtration ensures ISO 8573-1:2010 [6:8:4] air purity, protecting delicate valves, while the rotary knob with detent secures the pressure setting against high-frequency machine vibrations.

Rotary knob with detent5 µm grade of filtrationISO 8573-1:2010 [6:8:4] air purityMetal bowl guard0.5 bar ... 12 bar pressure regulation range

3. End-of-Line Packaging and Palletizing Automation

Provides highly precise pressure regulation and moisture filtration for high-speed carton erectors and palletizing robotics utilizing vacuum generators and large-bore pneumatic cylinders.

Problem Solved

Addresses actuator sluggishness and suction failure resulting from water ingress and pressure fluctuations. The unit can handle up to 43 ml of condensate with a fully automatic drain to keep the lines dry, while the integrated pressure gauge and G1/2 ports allow for easy monitoring and integration into high-capacity automated lines.

Max. condensate volume 43 mlFully automatic drainWith pressure gaugeG1/2 pneumatic connection0.2 MPa ... 1.2 MPa operating pressure

[Download-Datasheet]

Select your currency