MS6-LFR-1-2-D7-CUM-AS Festo Filter Regulator

$ 91.00

G1/2 filter regulator with 15 µm filtration and 4000 l/min flow rate. Features a 0.5-12 bar pressure range, manual drain, and integrated pressure gauge.

SKU Festo-530338 Category
Filter regulators

MS6-LFR-1/2-D7-CUM-AS Festo Filter regulator

Model Identifier MS6-LFR-1/2-D7-CUM-AS
Official Part Number 530338
GTIN Standard 4052568164911

Technical Overview

The Festo MS6-LFR-1/2-D7-CUM-AS is a professional-grade filter regulator from the MS series, engineered for reliable compressed air preparation. This unit combines a high-capacity filter with a precise pressure regulator, featuring a 5 µm grade of filtration and a 4000 l/min standard nominal flow rate. Built with a robust die-cast aluminium housing and an integrated metal bowl guard, it includes an analog pressure gauge and a manually rotating condensate drain. Designed for vertical installation, it ensures constant output pressure through its secondary venting function and is suitable for inert gases in environments with moderate corrosion stress.

Key Features

  • Rotary knob with detent actuator lock, closable with accessories
  • Manually rotating condensate drain
  • Integrated metal bowl guard for increased safety
  • Secondary venting for constant output pressure
  • Suitable for inert gases
  • RoHS-compliant construction
  • Grade of filtration 5 µm
  • CRC 2 - Moderate corrosion stress resistance

Standard nominal flow rate of 4000 l/min providing high-capacity compressed air regulation and filtration performance.

Technical Specification Matrix

ParameterValue
Size6
SeriesMS
Actuator lockRotary knob with detent can be closed with accessories
Mounting positionVertical +/-5°
Grade of filtration5 µm
Condensate drainManually rotating
DesignFilter regulator with pressure gauge
Max. condensate volume38 ml
Controller functionOutput pressure constant With secondary venting
Bowl guardIntegrated as metal bowl
Degree of condensate separation>75 %
Symbol00991589
Pressure gauge (ANALOG) or Pressure display (DIGITAL)With pressure gauge
Operating pressure (MPa)0.08 MPa ... 2 MPa
Operating pressure (bar)0.8 bar ... 20 bar
Pressure regulation range0.5 bar ... 12 bar
Max. pressure hysteresis (MPa)0.025 MPa
Max. pressure hysteresis (bar)0.25 bar
Max. pressure hysteresis (psi)3.625 psi
Standard nominal flow rate (standardised to DIN 1343)4000 l/min
Operating mediumInert gases
Corrosion resistance class CRC2 - Moderate corrosion stress
LABS (PWIS) conformityVDMA24364-B1/B2-L
Storage temperature-10 °C ... 60 °C
Suitable for use with foodSee supplementary material information
Air purity class at outputCompressed air to ISO 8573-1:2010 [6:4:4]
Media temperature-10 °C ... 60 °C
Ambient temperature-10 °C ... 60 °C
Pore size<5 µm
Product weight1087 g
Type of mountingWith accessories
Pneumatic connection, port 1G1/2
Pneumatic connection, port 2G1/2
Note on materialsRoHS-compliant
Material control panelPA POM
Material sealsNBR
Material filterPE
Material housingDie-cast aluminium
Material membraneNBR
Material bowlWrought aluminium alloy
Material separating platePOM

Industrial Applications

1. Main Air Preparation for Heavy-Duty CNC Machining Centers

Serves as the primary point of use air preparation unit for CNC milling and turning centers. The unit regulates the high-pressure plant air down to a stable working pressure while filtering contaminants that could damage sensitive spindle bearings, tool changers, and pneumatic logic systems.

Problem Solved

CNC environments are harsh, often exposing equipment to flying chips, accidental impacts, and aggressive coolant mists (like esters) that cause polycarbonate bowls to crack or fail. Additionally, precision spindles require clean air to prevent premature bearing failure.

Integrated as metal bowlGrade of filtration 5 µmStandard nominal flow rate 4000 l/minCorrosion resistance class CRC 2

2. Pneumatic Control for Automated Packaging Lines

Installed at the air inlet of high-speed packaging machines (e.g., case packers or palletizers) to provide consistent pressure and flow to a large bank of cylinders and vacuum ejectors. The 5-micron filtration ensures reliable operation of pilot valves and high-speed switching valves.

Problem Solved

High-speed packaging lines require substantial air flow (up to 4000 l/min) without significant pressure drops during peak actuation cycles. The 'Actuator lock' prevents unauthorized operators from adjusting the pressure, ensuring consistent packaging force and preventing crushed products or loose seals.

Standard nominal flow rate 4000 l/minActuator lockMax. pressure hysteresis 0.25 barPressure regulation range 0.5 ... 12 bar

3. Air Supply for Robotic Welding Cells

Provides regulated, filtered air to pneumatic clamping jigs and grippers within a robotic welding cell. The robust metal construction withstands the thermal stress and potential sparks/spatter typical of welding environments, which would degrade plastic components.

Problem Solved

In welding cells, plastic filter bowls are a safety hazard due to the risk of melting or brittleness from UV/heat exposure. This unit's metal bowl eliminates that risk. The manual drain is suitable here as maintenance personnel enter the cell periodically, allowing for visual checks of condensate without complex wiring for auto-drains.

Integrated as metal bowlOperating pressure up to 20 barCondensate drain Manually rotatingMedia temperature -10 °C ... 60 °C

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