LFR-3/4-D-MAXI-MPA Festo Filter Regulator

USD 471.90

High-performance Maxi filter regulator with 40 μm filtration and 9700 l/min flow rate. Features a G3/4 connection, 12 bar pressure range, and metal bowl guard.

SKU Festo-8002280 Category
Compressed air preparation

LFR-3/4-D-MAXI-MPA Festo Filter regulator

Model Identifier LFR-3/4-D-MAXI-MPA
Official Part Number 8002280
GTIN Standard 4052568423667

Technical Overview

The Festo LFR-3/4-D-MAXI-MPA is a high-capacity filter regulator from the D series, engineered for professional compressed air preparation in industrial automation environments. This unit combines a pressure regulator and a 40 µm grade filter into a single component, featuring a die-cast zinc housing and a polycarbonate bowl protected by a metal bowl guard. It supports a high standard nominal flow rate of 9700 l/min and a pressure regulation range of 0.5 to 12 bar, making it suitable for high-demand pneumatic systems requiring precise control and effective contaminant removal.

Key Features

  • Integrated pressure gauge for real-time monitoring
  • Rotary knob with detent for secure actuator locking
  • Metal bowl guard for enhanced mechanical protection
  • Manually rotating condensate drain
  • RoHS-compliant materials and die-cast zinc housing
  • Lubricated operation possible if required
  • Vertical mounting position with +/-5° tolerance
  • CRC 2 moderate corrosion stress resistance

High standard nominal flow rate of 9700 l/min designed for high-demand industrial pneumatic applications.

Technical Specification Matrix

ParameterValue
SizeMaxi
SeriesD
Actuator lockRotary knob with detent
Mounting positionVertical +/-5°
Grade of filtration40 µm
Condensate drainManually rotating
DesignFilter regulator with pressure gauge
Max. condensate volume80 ml
Bowl guardMetal bowl guard
Symbol00991589
Pressure gauge (ANALOG) or Pressure display (DIGITAL)With pressure gauge
Operating pressure (MPa)0.1 MPa ... 1.6 MPa
Operating pressure (bar)1 bar ... 16 bar
Pressure regulation range0.5 bar ... 12 bar
Max. pressure hysteresis0.4 bar
Standard nominal flow rate (standardised to DIN 1343)9700 l/min
Operating mediumInert gases
Note on operating and pilot mediumLubricated operation possible (in which case lubricated operation will always be required)
Corrosion resistance class CRC2 - Moderate corrosion stress
LABS (PWIS) conformityVDMA24364-B1/B2-L
Storage temperature-10 °C ... 60 °C
Air purity class at outputCompressed air to ISO 8573-1:2010 [7:8:4] Inert gases
Media temperature-10 °C ... 60 °C
Ambient temperature-10 °C ... 60 °C
Product weight1370 g
Type of mountingWith accessories
Pneumatic connection, port 1G3/4
Pneumatic connection, port 2G3/4
Note on materialsRoHS-compliant
Material housingDie-cast zinc
Material bowlPC

Industrial Applications

1. High-Capacity Bulk Material Pneumatic Conveying System

Implementation of the Festo LFR-3/4-D-MAXI-MPA to regulate main air lines supplying pneumatic blowers for transporting bulk industrial granules. The massive standard nominal flow rate of 9700 l/min and G3/4 ports ensure sufficient air volume without bottlenecking the conveying lines.

Problem Solved

Prevents material blockages and uneven transport speeds by delivering highly stable pressure (regulated between 0.5 to 12 bar) with low hysteresis (max 0.4 bar) across high-demand pneumatic distribution networks.

9700 l/min flow rate0.5 bar ... 12 bar regulationMaxi sizeMax. pressure hysteresis 0.4 barG3/4 connection

2. Centralized Inert Gas Shielding for Multi-Arm Robotic Welding

Utilizing the filter regulator to manage the flow of inert shielding gases to an automated multi-arm robotic welding cell. The die-cast zinc housing and metal bowl guard provide rugged durability in harsh welding environments, while the detent-locking rotary knob secures the set pressure.

Problem Solved

Eliminates weld porosity and quality inconsistencies caused by pressure fluctuations or accidental adjustments on the factory floor, leveraging the unit's approved compatibility with inert gases and secure rotary detent lock.

Inert gases compatibilityMetal bowl guardRotary knob with detentDie-cast zinc housingCorrosion resistance class CRC 2

3. Heavy-Duty Multi-Tool Pneumatic Assembly Station

Deployed as the primary point-of-use filter-regulator for an industrial assembly station running multiple high-torque pneumatic impact wrenches and grinders simultaneously. The 40 µm grade of filtration effectively removes coarse particulates, and the manual drain allows for scheduled moisture purging.

Problem Solved

Protects sensitive pneumatic air tools from moisture and debris wear while providing enough uninterrupted air capacity (handling up to 16 bar incoming operating pressure) to prevent tool stalling during simultaneous high-load operations.

40 µm Grade of filtrationManually rotating condensate drain1 bar ... 16 bar operating pressure80 ml max condensate volumeCompressed air to ISO 8573-1:2010

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