MSB6-1-2-FRC6:J2M1 Festo Service Unit Combination

Technical Overview

The Festo MSB6-1/2-FRC6:J2M1 is a high-performance service unit combination from the MS series, designed for compressed air preparation. This unit integrates a filter, regulator, and lubricator (FRL) into a compact size 6 assembly. It features a proportional standard mist lubricator, a 40 µm filtration grade, and a fully automatic condensate drain. The regulator maintains constant output pressure via primary pressure compensation and includes a secondary venting function and a return flow function for system safety. Controlled by a rotary knob with an integrated lock, it supports flow rates up to 3700 l/min and is suitable for moderate corrosion environments.

Key Features

Integrated rotary knob with manual lock
Fully automatic condensate drain
Proportional standard mist lubricator design
Primary pressure compensation for stable output
Secondary venting for enhanced safety
Return flow function
Plastic bowl guard for protection
Integrated analog pressure gauge
RoHS-compliant material construction
Moderate corrosion resistance (CRC 2)

Technical Specification Matrix

Parameter	Value
Size	6
Series	MS
Actuator lock	Rotary knob with integrated lock
Mounting position	Vertical +/-5°
Condensate drain	Fully automatic
Design	Proportional standard mist lubricator
Grade of filtration	40 µm
Controller function	Output pressure constant, Via primary pressure compensation, With secondary venting, With return flow function
Bowl guard	Plastic bowl guard
Symbol	00991599
Pressure gauge (ANALOG) or Pressure display (DIGITAL)	With pressure gauge
Operating pressure	1.5 bar ... 12 bar
Pressure regulation range	0.5 bar ... 12 bar
Standard nominal flow rate (standardised to DIN 1343)	3700 l/min
Operating medium	Compressed air to ISO 8573-1:2010 [7:4:-], 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
Suitable for use with food	See supplementary material information
Air purity class at output	Compressed air to ISO 8573-1:2010 [7:4:-]
Media temperature	-10 °C ... 60 °C
Ambient temperature	-10 °C ... 60 °C
Product weight	1495 g
Type of mounting	With accessories
Pneumatic connection, port 1	G1/2
Pneumatic connection, port 2	G1/2
Note on materials	RoHS-compliant

Industrial Applications

1. High-Speed Automotive Component Assembly Line

Integration into the main pneumatic supply of a multi-station automated assembly line where high-speed pneumatic cylinders, screwdrivers, and press tools operate simultaneously. The Festo MSB6 FRL prepares the compressed air by filtering out factory debris, regulating the pressure to a stable setpoint, and injecting a proportional oil mist to lubricate moving seals.

Problem Solved

Prevents premature seal wear and tool failure in high-cycle pneumatic actuators by ensuring proportional lubrication, while the fully automatic condensate drain eliminates daily maintenance halts caused by water accumulation in the air lines.

3700 l/min flow rateProportional standard mist lubricatorFully automatic condensate drainPrimary pressure compensationG1/2 port

2. Continuous-Duty End-of-Line Palletizing Equipment

Used as the primary air preparation unit for robotic palletizers utilizing heavy-duty pneumatic grippers and rotary actuators. The unit processes compressed air to ISO 8573-1:2010 [7:4:-] standards, ensuring the downstream directional control valves and cylinders receive clean, regulated, and lubricated air even under fluctuating high-volume demand.

Problem Solved

Resolves inconsistent gripping force during peak operation by maintaining a constant output pressure through secondary venting and return flow functions. It also protects components from moderate environmental humidity and corrosion without requiring manual draining.

Output pressure constantWith secondary ventingCRC 2 - Moderate corrosion stressRotary knob with integrated lock40 µm filtration

3. Automated Material Sorting and Conveying Network

Deployed in a 24/7 logistics sorting facility to condition air for pneumatic diverters, pop-up sorters, and gate valves. The FRL unit is installed vertically (+/-5 degrees) near the compressor drop to provide up to 12 bar of regulated, lubricated air. The lockable rotary knob secures the pressure setting against tampering.

Problem Solved

Eliminates the jamming of sorting diverters caused by particulate contamination and moisture buildup. The proportional lubricator adapts to the varying air consumption of the sorting gates, ensuring they never run dry during high-throughput peaks, while the lock prevents unauthorized pressure adjustments that could cause pneumatic bouncing.

0.5 bar ... 12 bar regulation rangeVertical +/-5 degrees mountingActuator lock1.5 bar ... 12 bar operating pressureISO 8573-1:2010 [7:4:-]