The Festo LR-3/4-D-MAXI Pressure Regulator with Pressure Gauge is a high-capacity regulator designed for large pneumatic systems where reliable, consistent pressure control is essential. Part of Festo’s D series, this maxi-sized regulator features a piloted piston design, enabling stable output pressure with secondary venting for quick pressure adjustments. With an impressive flow rate of up to 11,000 l/min, the LR-3/4-D-MAXI is suitable for heavy-duty applications in industrial environments. It includes a built-in analog pressure gauge for real-time monitoring and is constructed with durable materials for long-lasting performance in challenging conditions.
Key Features:
-
High Flow Capacity: Delivers a nominal flow rate of 11,000 l/min, ideal for systems requiring large air volumes.
-
Piloted Piston Design: Ensures stable and accurate pressure regulation with secondary venting for immediate pressure adjustments.
-
Rotary Knob with Actuator Lock: Allows for precise pressure setting with a locking mechanism to prevent accidental changes.
-
Wide Operating Pressure Range: Capable of handling pressures from 0 to 1.6 MPa (0 to 16 bar), making it versatile for various industrial applications.
-
Dual Mounting Options: Flexible installation with both in-line and front-panel mounting, suited to diverse setup requirements.
-
Corrosion Resistance and LABS Compliance: Built for moderate corrosion resistance with compliance to VDMA24364-B1/B2-L for safety in industrial environments.
-
Temperature Resilience: Operational in temperatures ranging from -10°C to 60°C, suitable for both indoor and outdoor use.
-
Analog Pressure Gauge: Provides clear and real-time monitoring of output pressure.
Specifications:
-
Size: Maxi
-
Series: D
-
Mounting Position: Optional
-
Design: Piloted piston regulator
-
Operating Pressure Range: 0 to 1.6 MPa (0 to 16 bar)
-
Pressure Regulation Range: 0.5 bar to 12 bar
-
Max Pressure Hysteresis: 0.04 MPa (0.4 bar / 5.8 psi)
-
Standard Nominal Flow Rate: 11,000 l/min
-
Operating Medium: Compressed air (ISO 8573-1:2010 [7:4:4]) and inert gases
-
Temperature Range (Media and Ambient): -10°C to 60°C
-
Weight: 800 g
-
Pneumatic Connections: G3/4 inlet and outlet
-
Materials: Die-cast zinc housing and sub-base, NBR seals, RoHS-compliant
Box Includes:
- Festo LR-3/4-D-MAXI Pressure Regulator
- Analog Pressure Gauge
- Mounting Accessories
- User Manual
Applications:
-
High-Volume Industrial Pneumatic Systems: Suitable for large-scale pneumatic applications in manufacturing and processing plants.
-
Automation and Robotics: Ensures steady air pressure for the consistent performance of large automated machinery and robots.
-
Compressed Air Distribution Networks: Ideal for regulating pressure in extensive compressed air networks across multiple outlets.
-
HVAC and Environmental Control: Useful for regulating airflow in high-demand HVAC systems.
-
General Industrial Use: Reliable for any heavy-duty application needing precise and high-capacity pressure regulation.
