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

$ 114.50

Filter regulator with G1/2 ports and 5 µm filtration grade. Features a 4000 l/min flow rate, manual condensate drain, and integrated pressure gauge.

SKU Festo-529186 Category
Filter regulators

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

Model Identifier MS6-LFR-1/2-D7-CRV-AS
Official Part Number 529186
GTIN Standard 4052568015640

Technical Overview

The Festo MS6-LFR-1/2-D7-CRV-AS is a high-performance MS series filter regulator designed for industrial compressed air preparation. It features a G1/2 pneumatic connection and provides a fine 5 µm grade of filtration. This unit is equipped with an integrated analog pressure gauge and a rotary knob actuator lock with a detent mechanism for secure pressure settings. Constructed with a die-cast aluminum housing and a plastic bowl guard, it offers reliable regulation between 0.5 and 12 bar with a standard nominal flow rate of 4000 l/min, making it suitable for moderate corrosion stress environments.

Key Features

  • Modular MS series design for easy integration
  • High-efficiency 5 µm filter grade
  • Integrated analog pressure gauge
  • Actuator lock with rotary knob and detent
  • Manual, non-detenting condensate drain
  • Plastic bowl guard for safety
  • RoHS-compliant and LABS (PWIS) conformant materials
  • Suitable for vertical mounting +/-5°

Standard nominal flow rate of 4000 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 MPa0.2 MPa ... 1.2 MPa
Operating pressure bar2 bar ... 12 bar
Pressure regulation range0.5 bar ... 12 bar
Max. pressure hysteresis MPa0.025 MPa
Max. pressure hysteresis bar0.25 bar
Max. pressure hysteresis psi3.625 psi
Standard nominal flow rate4000 l/min
Operating mediumCompressed air to ISO 8573-1:2010 [7:4:-] Inert 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 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. Precision Robotic Assembly Cell Air Preparation

Serves as the primary air preparation unit for a high-speed pick-and-place robotic cell, conditioning the compressed air supply before it reaches sensitive solenoid valve manifolds and pneumatic grippers.

Problem Solved

Protects miniature pilot valves and high-speed actuators from jamming due to fine dust (down to 5µm) while maintaining a stable operating pressure to ensure consistent gripping force and actuation speed during rapid cycles.

5 µm filtration grade4000 l/min nominal flowISO 8573-1:2010 [6:4:4] air purity0.5 - 12 bar regulation range

2. Automotive Assembly Line Pneumatic Tool Station

Regulates and filters air at a drop-leg station powering high-consumption handheld pneumatic tools, such as 1/2" impact wrenches and grinders, used in vehicle chassis assembly.

Problem Solved

Prevents premature wear of air motor vanes and internal bearings by filtering abrasive pipe scale and rust; delivers high volume air flow (up to 4000 l/min) through the G1/2 port to prevent pressure drops that cause under-torque events during fastening.

G1/2 pneumatic connection4000 l/min flow rateManual condensate drainDie-cast aluminium housing

3. Food Packaging Machine Control Cabinet Inlet

Installed at the main air inlet of a secondary packaging machine (e.g., cartoning or case packing) to regulate facility air down to machine working pressure and remove contaminants.

Problem Solved

Ensures 'Output pressure constant' to maintain precise timing of pneumatic cylinders despite fluctuations in the plant's main ring main; the 5µm filter provides the necessary air purity class to protect downstream vacuum generators and automation components in a wash-down compatible environment (CRC 2).

Output pressure constantCorrosion resistance class CRC 2Plastic bowl guard0.25 bar max pressure hysteresis

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