The Festo MS4-LFR-1/4-D6-C-U-M-AS Filter Regulator, with MPN 526489, is a highly efficient and reliable device engineered to optimize pneumatic system performance by combining precise pressure regulation and effective filtration. This product is specifically designed to integrate seamlessly into various industrial applications, ensuring consistent system pressure and clean air supply to enhance operational efficiency.

Key Features:

Advanced Pressure Regulation: Provides exact control over system pressure, maintaining desired operational conditions and ensuring peak performance.
Integrated Filtration System: Equipped with a high-efficiency filter to remove particulates and contaminants from the air, safeguarding pneumatic components and improving system reliability.
Durable Construction: Made from high-quality materials, engineered to withstand the rigorous demands of industrial environments, promising long-term durability.
Compact and Modular Design: Its compact size allows for easy installation in space-constrained areas without compromising functionality, enhancing flexibility in system design.
Easy Adjustment and Maintenance: Features a user-friendly adjustment mechanism for quick and precise pressure settings, along with easy maintenance capabilities.

Benefits:

Enhanced System Efficiency: By providing clean, regulated air, it contributes to the efficiency and reliability of pneumatic processes, enhancing overall system performance.
Reduced Operational Costs: Optimizes energy consumption by maintaining precise pressure levels, leading to significant operational cost savings.
Increased Equipment Lifespan: Protects pneumatic components from wear and contaminants, extending their operational life and reducing maintenance needs.
Improved Safety: Consistent and reliable pressure and air quality control ensure safer operation of pneumatic systems, adhering to stringent safety standards.

Applications:

Manufacturing Facilities: Essential for maintaining precise pressure and clean air in automated manufacturing lines, ensuring high-quality production outcomes.
Control Systems: Plays a crucial role in control systems where stable and clean air supply is necessary for accurate and reliable functionality.
Testing and Inspection: Ideal for use in systems that require consistent pressure and clean air for accurate testing and inspection procedures.
General Pneumatics: Suitable for a broad range of pneumatic applications across various industries, enhancing operational precision and reliability.

The Festo MS4-LFR-1/4-D6-C-U-M-AS Filter Regulator stands as a hallmark of Festo’s commitment to advancing pneumatic technology, providing a sophisticated solution for managing system pressure and air quality, and optimizing the performance of industrial processes. This device is an indispensable tool in ensuring efficient, safe, and cost-effective pneumatic operations in diverse industrial settings.

Technical Data

Feature	Specification
Size	4
Series	MS
Actuator lock	Rotary knob with detent Rotary knob with integrated lock can be closed with accessories
Mounting position	Vertical +/- 5°
Grade of filtration	5 µm … 40 µm
Condensate drain	Fully automatic Manual, non-detenting Manually rotating Semi-automatic
Structural design	Filter regulator with pressure gauge Filter regulator without pressure gauge
Controller function	Outlet pressure constant With secondary exhausting With return flow function
Bowl guard	Plastic bowl guard Integrated as metal bowl guard
Degree of condensate separation	>75 %
Pressure gauge	G1/4 prepared G1/8 prepared with pressure sensor with pressure gauge
Operating pressure	0.08 MPa … 1.4 MPa
Operating pressure	0.8 bar … 14 bar
Pressure regulation range	0.3 bar … 12 bar
Max. pressure hysteresis	0.25 bar
Standard nominal flow rate	850 l/min … 1800 l/min
Certification	c UL us – Recognized (OL)
CE marking (see declaration of conformity)	as per EU explosion protection directive (ATEX)
UKCA marking (see declaration of conformity)	acc. to UK EX instructions
Explosion protection certification outside the EU	EPL Db (GB) EPL Gb (GB)
Explosion prevention and protection	Zone 1 (ATEX) Zone 1 (UKEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 21 (UKEX) Zone 22 (ATEX)
ATEX category gas	II 2G
ATEX category for dust	II 2D
Type of ignition protection for gas	Ex h IIC T6 Gb X
Type of (ignition) protection for dust	Ex h IIIC T60°C Db X
Explosive ambient temperature	-10°C <= Ta <= +60°C
Operating medium	Compressed air as per ISO 8573-1:2010 [-:4:-] Compressed air as per ISO 8573-1:2010 [7:4:-] Inert gas
Corrosion resistance class (CRC)	2 – Moderate corrosion stress
LABS (PWIS) conformity	VDMA24364-B1/B2-L
Storage temperature	-10 °C … 60 °C
For use in the food industry	See supplementary material information
Temperature of medium	-10 °C … 60 °C
Ambient temperature	-10 °C … 60 °C
Type of mounting	Optionally: Front panel mounting Line installation With accessories
Note on materials	RoHS-compliant
Material of sub-base	Die-cast aluminum
Seals material	NBR
Compressed air filter material	PE
Housing material	Die-cast aluminum
Diaphragm material	NBR
Separating disc material	POM