Name: LFR-1/4-D-5M-MIDI-MPA Festo Filter Regulator - INOSAKI
SKU: Festo-8002373
Price: 135.20 USD
Availability: InStock

Technical Overview

The Festo LFR-1/4-D-5M-MIDI-MPA is a high-performance Midi size filter regulator from the classic D series, engineered for reliable compressed air preparation. It provides a 5 µm filtration grade and a pressure regulation range of 0.5 to 12 bar, controlled via a rotary knob with detent. This unit features a manual rotating condensate drain, a metal bowl guard for increased durability, and an integrated pressure gauge for real-time monitoring. Constructed with a die-cast zinc housing and PC bowl, it supports flow rates up to 1600 l/min and is suitable for moderate corrosion stress environments.

Key Features

Size: Midi
Series: D
Actuator lock: Rotary knob with detent
Mounting position: Vertical +/-5°
Grade of filtration: 5 µm
Condensate drain: Manually rotating
Design: Filter regulator with pressure gauge
Max. condensate volume: 43 ml
Bowl guard: Metal bowl guard
Pressure regulation range: 0.5 bar - 12 bar
Standard nominal flow rate: 1600 l/min
Operating medium: Inert gases
RoHS-compliant materials

Technical Specification Matrix

Parameter	Value
Size	Midi
Series	D
Actuator lock	Rotary knob with detent
Mounting position	Vertical +/-5°
Grade of filtration	5 µm
Condensate drain	Manually rotating
Design	Filter regulator with pressure gauge
Max. condensate volume	43 ml
Bowl guard	Metal bowl guard
Symbol	00991585
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 range	0.5 bar ... 12 bar
Max. pressure hysteresis	0.2 bar
Standard nominal flow rate (standardised to DIN 1343)	1600 l/min
Operating medium	Inert gases
Note on operating and pilot medium	Lubricated operation possible (in which case lubricated operation will always be required)
Corrosion resistance class CRC	2 - Moderate corrosion stress
LABS (PWIS) conformity	VDMA24364-B1/B2-L
Storage temperature	-10 °C ... 60 °C
Air purity class at output	Compressed air to ISO 8573-1:2010 [6:8:4] Inert gases
Media temperature	-10 °C ... 60 °C
Ambient temperature	-10 °C ... 60 °C
Product weight	900 g
Type of mounting	With accessories
Pneumatic connection, port 1	G1/4
Pneumatic connection, port 2	G1/4
Note on materials	RoHS-compliant
Material housing	Die-cast zinc
Material bowl	PC

Industrial Applications

1. High-Speed Packaging Machinery Pneumatic Actuation

Integrating the filter regulator into a packaging line to ensure consistent air pressure for pneumatic cylinders driving sealing jaws. The device stabilizes pressure variations and filters out microscopic particles from the main factory line.

Problem Solved

Eliminates inconsistent sealing force and pneumatic valve jamming caused by pressure fluctuations and fine particulate contamination, utilizing the low 0.2 bar maximum pressure hysteresis and high 1600 l/min standard nominal flow rate.

Pneumatic ActuationPressure Hysteresis1600 l/min Flow Rate5 µm FiltrationPackaging Machinery

2. Precision Inert Gas Delivery for Laser Cutting Systems

Employing the regulator for shielding gas delivery networks in laser cutting operations. It processes inert gases, ensuring the delivery stream is properly regulated and free from optical-damaging particulates.

Problem Solved

Prevents contamination of sensitive laser optics and uneven cutting edges by delivering clean inert gas (meeting ISO 8573-1:2010 [6:8:4] standard) safely regulated up to 12 bar, with a metal bowl guard providing mechanical protection from sparks.

Inert GasesISO 8573-1:2010Laser CuttingMetal Bowl Guard12 bar Regulation

3. Localized Air Preparation for Automotive Assembly Hand Tools

Serving as a point-of-use air preparation unit for pneumatic torque wrenches and riveters on an automotive assembly line. It is mounted vertically to drop lines, regulating local pressure and collecting moisture condensate.

Problem Solved

Prevents internal rusting and premature failure of expensive pneumatic hand tools by manually draining up to 43 ml of moisture. Its die-cast zinc housing and moderate corrosion resistance (CRC 2) ensure longevity in industrial shop conditions.

Air PreparationCondensate DrainDie-cast ZincCRC 2G1/4 Port