MS6-LFR-1-2-D6-CRV-AS Festo Filter Regulator

USD 98.02

G1/2 filter regulator with 5 μm filtration and 0.3-7 bar pressure range. Features a 5600 l/min flow rate, manual drain, and analog pressure gauge.

SKU Festo-529178 Category
Filter regulators

MS6-LFR-1/2-D6-CRV-AS Festo Filter regulator

Model Identifier MS6-LFR-1/2-D6-CRV-AS
Official Part Number 529178
GTIN Standard 4052568163624

Technical Overview

The Festo MS6-LFR-1/2-D6-CRV-AS is a precision filter regulator from the MS series, designed for effective compressed air preparation in industrial automation. It features a 5 µm filtration grade, a G1/2 pneumatic connection, and a rotary knob with detent for stable pressure regulation between 0.3 and 7 bar. The unit includes an integrated analog pressure gauge, a manual non-detenting condensate drain, and is built with a durable die-cast aluminium housing and plastic bowl guard, capable of handling a standard nominal flow rate of 5600 l/min.

Key Features

  • Rotary knob with detent actuator lock, lockable with accessories
  • 5 µm grade of filtration for fine particle removal
  • Manual, non-detenting condensate drain
  • Output pressure constant controller function with secondary venting
  • Integrated analog pressure gauge
  • Moderate corrosion stress resistance (CRC 2)
  • Die-cast aluminium housing for industrial durability
  • RoHS-compliant materials

Standard nominal flow rate of 5600 l/min

Technical Specification Matrix

ParameterValue
Size6
SeriesMS
Actuator lockRotary knob with detent can be closed with accessories
Mounting positionVertical +/-5°
Grade of filtration5 µm
Condensate drainManual, non-detenting
DesignFilter regulator with pressure gauge
Max. condensate volume38 ml
Controller functionOutput pressure constant With secondary venting
Bowl guardPlastic bowl guard
Degree of condensate separation>75 %
Symbol00991587
Pressure gauge (ANALOG) or Pressure display (DIGITAL)With pressure gauge
Operating pressure (MPa)0.2 MPa ... 1.2 MPa
Operating pressure (bar)2 bar ... 12 bar
Pressure regulation range0.3 bar ... 7 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)5600 l/min
Operating mediumCompressed air to ISO 8573-1:2010 [7:4:-] Inert gases
Corrosion resistance classCRC 2 - 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 weight875 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 bowlPC
Material separating platePOM

Industrial Applications

1. Pneumatic Tool Manifold Regulation in Automotive Assembly

Deployed as a point-of-use filter regulator to condition compressed air for a bank of precision pneumatic torque tools. The unit ensures a highly stable operating pressure despite upstream main line fluctuations, while simultaneously filtering out damaging microscopic particulates before they reach the tools.

Problem Solved

Solves the issue of inconsistent torque output in pneumatic screwdrivers and prevents premature internal wear of delicate air tools caused by fine dust, scaling, and condensation in factory air lines.

5 µm filtration5600 l/min flow rate0.3 ... 7 bar pressure regulation rangeG1/2 connectionOutput pressure constant

2. Actuator Air Preparation in High-Speed Automated Packaging

Integrated into the primary air preparation station of a high-speed carton folding and sealing machine. It delivers highly regulated, clean air to fast-acting pneumatic cylinders, ensuring repeatable positioning. The manual condensate drain allows operators to periodically flush separated moisture during standard maintenance checks.

Problem Solved

Prevents erratic actuator speeds and cylinder seal degradation in packaging systems by removing moisture and >5 µm particles, thereby maintaining ISO 8573-1:2010 [6:4:4] air purity and a precise set pressure.

ISO 8573-1:2010 [6:4:4] purityManual condensate drain38 ml max condensate volumeSecondary ventingPC bowl material

3. Inert Gas Pressure Regulation for Industrial Tank Blanketing

Utilized within a gas control cabinet to step down and perfectly stabilize the pressure of inert gases (like nitrogen) before delivery to a chemical mixing tank. It maintains a constant low-pressure blanket over the liquid surface to prevent oxidation or contamination.

Problem Solved

Eliminates the risk of sudden pressure spikes in low-pressure tank blanketing applications and successfully handles variable input supply pressures up to 12 bar without compromising the set output.

Inert gases compatibility2 bar ... 12 bar operating pressureDie-cast aluminium housingCRC 2 corrosion resistanceMax. pressure hysteresis 0.25 bar

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