Festo Solenoid Valve MFH-3-1/4 – Highly Reliable 3/2-Way Directional Control for Industrial Automation
The Festo Solenoid Valve MFH-3-1/4 (Festo Part Number: 9964) is a legendary high-performance pneumatic component belonging to the renowned Tiger Classic valve series. Engineered for maximum reliability and structural longevity, this 3/2-way monostable, normally closed directional control valve is a staple in automated industrial processing. It provides smooth, electrically actuated switching for compressed air systems, ensuring highly accurate control over single-acting pneumatic cylinders, air-driven actuators, and complex valve manifolds.
As shown in the product image, the Festo Solenoid Valve MFH-3-1/4 features a rugged, precision-machined die-cast aluminum housing designed to handle harsh industrial environments. The valve is configured with standard threaded female G1/4 working ports, providing secure, leak-free connection points for standard pneumatic fittings. It features a top-mounted armature guide tube configured to receive a variety of modular F-series solenoid coils (ordered separately), allowing engineers to match the valve to their specific electrical infrastructure, whether running 24V DC, 110V AC, or 240V AC power systems.
Key Features of the Festo Solenoid Valve MFH-3-1/4
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High Flow Rate Capacity: Delivers a nominal flow rate of up to 800 l/min, enabling rapid pneumatic cylinder cycle times and quick machine responses.
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Durable Poppet Seat Design: Utilizes a highly forgiving, soft-sealing poppet seat design that minimizes internal friction, withstands contaminated air particles, and prevents leakage.
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Integrated Manual Override: Features a mechanical detenting manual override slot on the front plate, allowing technician testing and manual system cycling during installation or power failure.
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Robust Weatherproof Protection: Rated up to IP65 dust and moisture protection when fully mated with a proper solenoid coil and plug socket.
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Versatile Mounting Adaptability: Supports installation via through-hole mounting directly onto machine frames or gang assembly configurations on heavy-duty pneumatic manifold rails.
Common Applications and Industrial Usage
The immense durability and fast response times of the Festo Solenoid Valve MFH-3-1/4 make it an indispensable asset across several technical domains:
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Packaging Machinery: Operates primary ejector gates, sorting flaps, and boxing actuators that require quick, repetitive 3/2 switching cycles.
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Assembly and Pick-and-Place Systems: Controls vacuum-generation suction lines or single-acting clamping devices on robotic assembly cells.
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Pneumatic Control Panels: Acts as a master pilot valve inside control enclosures to route primary air supplies to larger power valves or process systems.
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Material Handling Lines: Drives structural line diversions and automated gate controllers on factory conveyer belts.
Technical Specifications
The electrical, environmental, and pneumatic performance metrics of the Festo Solenoid Valve MFH-3-1/4 conform to strict global automation standards:
| Parameter Specification | Technical Details & Operational Ratings |
| Component Classification | 3/2-Way Monostable, Normally Closed Solenoid Valve |
| Primary Target Keyword | Festo Solenoid Valve MFH-3-1/4 |
| Manufacturer Part Number | 9964 |
| Product Series Group | Tiger Classic |
| Pneumatic Working Ports | G1/4 Threaded (Female) |
| Standard Nominal Flow Rate | 800 l/min |
| Operating Pressure Range | 1.5 bar to 8 bar (21 psi to 120 psi) |
| Reset Method | Mechanical Spring |
| Switching Times (On / Off) | 10 ms (On) / 29 ms (Off) |
| Housing / Body Material | Die-cast Anodized Aluminum |
| Seals Material | Nitrile Rubber (NBR) / Polyurethane (PU) |
| Pilot Exhaust Air Port (82) | M5 Threaded |
| Operating Temperature Range | Ambient: -5 °C to 40 °C / Media: -10 °C to 60 °C |
| Product Core Net Weight | 320 grams |
Installation, Wiring, and Maintenance Best Practices
Warning: Industrial pneumatic equipment operates under high mechanical forces and air pressures. Always isolate the primary pneumatic manifold supply and lock out all underlying electrical control lines before completing an installation or replacing a component.
Coil Selection: Remember that the Festo Solenoid Valve MFH-3-1/4 is supplied without a solenoid coil or connector socket. You must select and purchase a compatible Festo F-series coil (e.g., MSFG or MSFW series) that matches your system’s operational voltage.
Exhaust Flow Throttling: The pilot exhaust port (82) is configured with an M5 thread. Installing an adjustable exhaust silencer or flow control valve into the port allows maintenance teams to customize venting profiles and cushion actuator return motions.
Air Quality Guidelines: Ensure the valve is supplied with dry, filtered compressed air meeting ISO 8573-1:2010 quality metrics. While the valve supports lubricated operation, if oil lubrication is introduced once, it must be maintained continuously to prevent internal grease degradation.
To review official dimensional drawings, internal structural symbols, and complete pneumatic component catalogs, check the global Festo Industrial Automation Product Support Directory.
To request a fast commercial quote or evaluate real-time regional warehouse stock availability for bulk procurement needs, please connect with our sales branch via the Control Qatar Contact Page.






