MSB6-1-2-FRC7:J3M1 Festo Service Unit Combination

Technical Overview

The Festo MSB6-1/2-FRC7:J3M1 is a high-performance pneumatic service unit combination from the MS series. It integrates a filter regulator and a proportional standard mist lubricator into a single size 6 assembly with G1/2 pneumatic connections. Featuring a 5 µm grade of filtration and a secondary venting function with return flow, it ensures precise air preparation and pressure regulation between 0.5 and 12 bar. The unit is equipped with a rotary knob with an integrated lock for secure operation and provides a robust nominal flow rate of 3600 l/min, making it suitable for moderate corrosion stress environments and various industrial automation applications.

Key Features

Integrated filter regulator and proportional standard mist lubricator
Rotary knob with integrated lock for secure adjustment
5 µm filtration grade for high purity air preparation
Secondary venting with return flow function
Pressure regulation range of 0.5 to 12 bar
Vertical +/-5° mounting position flexibility
Plastic bowl guard for durability
RoHS-compliant materials

Technical Specification Matrix

Parameter	Value
Size	6
Series	MS
Actuator lock	Rotary knob with integrated lock
Mounting position	Vertical +/-5°
Condensate drain	Manually rotating
Design	Proportional standard mist lubricator
Grade of filtration	5 µm
Controller function	Output pressure constant, Via primary pressure compensation, With secondary venting, With return flow function
Bowl guard	Plastic bowl guard
Symbol	00991761
Pressure gauge (ANALOG) or Pressure display (DIGITAL)	With pressure gauge
Operating pressure	1.5 bar ... 20 bar
Pressure regulation range	0.5 bar ... 12 bar
Standard nominal flow rate (standardised to DIN 1343)	3600 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
Suitable for use with food	See supplementary material information
Air purity class at output	Compressed air to ISO 8573-1:2010 [6:4:-]
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. Automotive Assembly Line Tooling Air Preparation

Utilizing the FRL combination unit to supply clean, regulated, and lubricated compressed air to heavy-duty pneumatic nutrunners and impact wrenches on an automotive assembly line, ensuring reliable system performance and reduced wear [1.4].

Problem Solved

High-torque pneumatic tools suffer rapid mechanical wear without consistent oiling, and unauthorized pressure adjustments can lead to stripped bolts. Additionally, standard pneumatic equipment can emit paint-wetting impairment substances (PWIS) that drift and ruin nearby vehicle paint jobs.

LABS (PWIS) conformity VDMA24364-B1/B2-LProportional standard mist lubricatorRotary knob with integrated lockOutput pressure constant

2. High-Speed Palletizing and Packaging Machinery

Serving as the main air preparation station for large pneumatic cylinders and actuators used in industrial cardboard folding and palletizing machinery operating in dusty, moderately corrosive environments requiring consistent output pressure.

Problem Solved

Ambient paper dust degrades pneumatic seals over time, and fluctuating factory supply pressure causes inconsistent cylinder stroke times. Accidental physical impacts from moving machinery and mild washdown routines also threaten the structural integrity of standard filter bowls.

Grade of filtration: 5 µmStandard nominal flow rate: 3600 l/minCorrosion resistance class CRC: 2Plastic bowl guardPrimary pressure compensation

3. Nitrogen-Driven Pneumatic Mixing in Hazardous Chemical Plants

Regulating and lubricating high-volume inert gas lines used to drive heavy-duty pneumatic agitator motors in explosion-proof environments, accommodating versatile operational needs beyond standard compressed air.

Problem Solved

Electric motors pose an explosion risk in volatile chemical mixing, requiring nitrogen-driven pneumatic motors to eliminate sparking. These pneumatic motors demand high volumetric gas flow, continuous mist lubrication to prevent vane seizure, and rapid secondary venting to exhaust pressure immediately during emergency safety stops.

Operating medium: Inert gasesWith secondary ventingWith return flow functionOperating pressure: 1.5 bar ... 20 barPneumatic connection: G1/2