Festo MS4-LFR – Filter Regulator | 850–1800 l/min | Murali Pneumatics Coimbatore
The Festo MS4-LFR (526489) is a compact filter regulator designed to clean and regulate compressed air pressure in pneumatic systems. It combines filtration (5–40 µm) with precise pressure control and secondary venting for stable output.
With a flow range up to 1800 l/min and robust die-cast aluminium construction, it is ideal for industrial automation environments requiring consistent air quality.
Suitable for machine builders, textile units, packaging lines, and CNC systems.
Note: Pressure gauge and accessories may vary by configuration and should be confirmed before ordering.
Available with Murali Pneumatics, your authorized Festo dealer in Coimbatore.
Product Description
Overview
The Festo MS4-LFR filter regulator from the MS series is a compact and efficient air preparation unit designed to ensure clean, regulated compressed air in pneumatic systems. Combining filtration and pressure regulation in a single unit, it helps improve system reliability, reduce wear, and maintain consistent actuator performance across industrial applications in Coimbatore and beyond.Key Features
- Integrated filter regulator design — combines filtration and pressure control in one compact unit
- Filtration grade 5–40 µm — removes contaminants to protect valves and cylinders
- High flow rate up to 1800 l/min — supports medium to high air demand systems
- Wide pressure range (0.8–14 bar) — suitable for diverse industrial applications
- Secondary venting — ensures stable downstream pressure even during fluctuations
- Condensate separation >75% — improves air quality and reduces moisture-related issues
- Multiple condensate drain options — manual, semi-automatic, or rotating for flexibility
- Rotary knob with locking option — prevents accidental pressure changes
- Die-cast aluminium construction — durable for industrial environments
- ATEX and explosion protection certified — suitable for hazardous zones
Technical Specifications
| Parameter | Value |
|---|---|
| Festo Part Number | 526489 |
| Series | MS |
| Product Type | Filter Regulator |
| Size | 4 |
| Flow Rate | 850–1800 l/min |
| Operating Pressure | 0.8–14 bar (0.08–1.4 MPa) |
| Pressure Regulation Range | 0.3–12 bar |
| Max Pressure Hysteresis | 0.25 bar |
| Filtration Grade | 5–40 µm |
| Condensate Separation | >75% |
| Controller Function | Output pressure constant, with secondary venting, return flow function |
| Condensate Drain | Manual / Semi-automatic / Rotating |
| Mounting Position | Vertical ±5° |
| Operating Medium | Compressed air (ISO 8573-1:2010 [7:4:-]), inert gases |
| Media Temperature | -10°C to +60°C |
| Ambient Temperature | -10°C to +60°C |
| Housing Material | Die-cast aluminium |
| Seal Material | NBR |
| Filter Material | PE |
| Corrosion Resistance | CRC 2 (Moderate) |
| Approvals | CE, UL, UKCA, ATEX |
| Explosion Protection | Zone 1, Zone 2, Zone 21, Zone 22 |
| RoHS Compliance | Yes |
| Mounting Type | With accessories |
Common Applications
- Textile machinery – loom air preparation and spinning automation
- CNC and machine tools – clean regulated air for actuators
- Packaging lines – pneumatic control circuits and sealing units
- Automotive assembly – air supply for robotic stations
- Food processing – compressed air filtration systems
- Plastic moulding machines – pressure regulation for pneumatic controls
Why Buy from Murali Pneumatics?
- Authorized Festo Channel Partner since 1991 in Coimbatore
- 100% genuine products with full manufacturer support
- Stock availability for fast-moving MS series units
- Expert application support – call +91 98422 47546
Compatible Accessories
- Pressure gauges (G1/8, G1/4)
- Mounting brackets and MS series connectors
- Pneumatic fittings (QS series)
- Polyurethane tubing
- Shut-off valves and lubricators
- Condensate drain accessories