The Festo MFH-3-1/2-S is a high-capacity 3/2-way monostable solenoid valve designed for closed-circuit pneumatic systems that require precise and reversible directional control. Featuring a 1/2-inch port and a 14 mm nominal size, this valve offers a flow rate of 3700 l/min, making it suitable for large-scale applications. The poppet seat design, combined with external pilot actuation and a mechanical spring reset, ensures dependable performance and long-lasting durability. This valve’s IP65 protection rating and optional mounting positions make it a versatile choice for demanding industrial environments.
Key Features:
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3/2-Way Closed Monostable Design: Ensures stable directional control in closed-circuit applications, maintaining a single stable position.
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High Flow Rate: Delivers a standard nominal flow rate of 3700 l/min, ideal for large-scale pneumatic systems.
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Reversible Flow Direction: Supports airflow in either direction, providing flexibility in complex setups.
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External Pilot with Mechanical Spring Reset: Operates with external pilot air and a mechanical spring reset, enhancing reliability.
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Soft Sealing Poppet Seat Design: Minimizes air leakage and protects against dirt and wear, offering a longer lifespan.
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Manual Override with Detenting: Allows manual operation with a lock feature, providing flexibility for maintenance or testing.
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Flow Control Exhaust Option: Enables controlled release of exhaust air, ensuring efficient air management.
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IP65 Protection Rating: Dust- and water-resistant, suitable for use in challenging industrial environments.
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Flexible Mounting Options: Can be installed on a manifold rail or with through-hole mounting for ease of integration.
Specifications:
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Valve Function: 3/2-way, closed, monostable
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Actuation Type: Electric
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Construction Width: 52 mm
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Nominal Size: 14 mm
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Standard Nominal Flow Rate: 3700 l/min
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Operating Pressure Range: -0.095 MPa to 1 MPa (-0.95 bar to 10 bar)
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Pilot Pressure Range: 0.1 MPa to 0.8 MPa (1 bar to 8 bar)
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Reset Type: Mechanical spring
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Switching Time On/Off: On: 18 ms, Off: 90 ms
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Operating Medium: Compressed air (ISO 8573-1:2010 [7:4:4])
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Connection Ports: G1/2 for ports 1, 2, and 3; G1/8 for pilot air port, M5 for pilot exhaust
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Degree of Protection: IP65
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Electrical Connection: Via F coil (to be ordered separately)
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Ambient Temperature Range: -5°C to 40°C
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Product Weight: 1100 g
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Materials: Die-cast aluminum housing, NBR seals, RoHS-compliant
Box Includes:
- Festo MFH-3-1/2-S Solenoid Valve
- User Manual
Applications:
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Industrial Automation: Suitable for controlling pneumatic actuators and cylinders in automation systems with large air requirements.
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Material Handling and Conveyance: Ideal for conveyor systems and other applications requiring reliable, high-flow air control.
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HVAC and Climate Control Systems: Useful for managing airflow in ventilation systems, ensuring reliable operation.
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Packaging Machinery: Provides precise control for pneumatic systems in packaging applications, enhancing productivity and efficiency.
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Research and Testing Facilities: Suitable for controlled pneumatic applications in laboratory and testing environments.
