Festo VMEF Series Valve - G1/4

The Festo VMEF roller lever valve is a compact 3/2 monostable pneumatic valve designed for precise...

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Tameson UKFesto 3/2 Monostable Roller Lever Valve G1/4 870L/Min -0.95 - 10Bar/-14 - 145Psi - 8047095
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Product Information

Full details

The Festo VMEF roller lever valve is designed for industrial automation professionals who require a compact and robust mechanical actuation solution. Its primary benefit is reliable pneumatic control in a space-saving 20 mm width, handling both vacuum and positive pressure applications with a high flow rate. A key consideration is its monostable nature, meaning it returns to its default position when actuation ceases.

All features

Model Part NumberVMEF-RT-M32-M-G14
BrandFesto

Extended Product Information

FAQs

What is the primary function of the roller lever?

The roller lever provides a mechanical interface to actuate the valve, allowing it to switch pneumatic circuits through physical movement.

Can this valve be used with both positive pressure and vacuum?

Yes, the Festo VMEF valve is designed to operate across a wide pressure range, from -0.95 bar (vacuum) up to 10 bar (positive pressure).

What is the flow rate of this valve?

The valve has a standard nominal flow rate of 870 liters per minute (l/min).

What is the material of the valve housing?

The valve housing is made from a durable Aluminium Alloy.

What is the operating temperature range?

The valve can operate in temperatures ranging from -10°C to +60°C.

Is this a bistable or monostable valve?

This is a monostable valve, meaning it returns to its default position when the actuating force is removed.

What size is the pneumatic connection?

The valve features a standard G1/4 pneumatic connection.

Troubleshooting

Valve does not actuate correctly

Check that the mechanical actuator is properly aligned with the roller lever and that there are no obstructions. Verify the pneumatic supply pressure is within the operational range (-0.95 to 10 bar).

Leaking air from valve ports

Ensure all pneumatic connections are tightened securely. Check for any debris on valve seals or O-rings. If the leak persists, the valve may require replacement.

Low flow rate

Verify that the pneumatic supply pressure is adequate. Check the air supply for blockages or restrictions, and ensure the connected pneumatic lines are not kinked or undersized. Confirm the valve itself is not obstructed internally.

Pros and Cons

Pros

  • Space-saving compact design.
  • High pneumatic flow rate for its size.
  • Versatile operation across vacuum and positive pressure ranges.
  • Durable metal construction ensures reliability.
  • Standard G1/4 port for easy integration.

Cons

  • Monostable design requires continuous actuation for one state.
  • Mechanical actuation might be less convenient than electrical alternatives in some setups.
  • Limited to 3/2 function, not suitable for complex switching requirements.

Setup, Compatibility & Care

Setup: Connect the valve to your pneumatic system using the G1/4 threaded ports. Ensure air lines are clean and properly sealed. The valve is designed for direct mechanical actuation via its roller lever.

Compatibility: This valve uses a standard G1/4 pneumatic connection, making it compatible with most common pneumatic tubing and fittings. It operates on pressures from -0.95 to 10 bar and at temperatures between -10°C and +60°C.

Care: Periodically inspect the roller lever and valve housing for damage or debris. Ensure the pneumatic connections remain secure. The Aluminium Alloy casing is durable, but avoid exposure to corrosive chemicals not specified for this material. Clean the exterior with a dry or slightly damp cloth. Ensure the air supply is filtered to prevent internal contamination.

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