Festo 3/2 NO Monostable Air Solenoid Valve - Sub-base - 100l/min - -0.9 - 8bar/-13 - 116psi
The MH series air solenoid valve is a 3/2-way, open, monostable valve designed for high-performanc...The MH series air solenoid valve is a 3/2-way, open, monostable valve designed for high-performance pneumatic applications. With a standard nominal flow rate of 100 l/min and an operating pressure range of -0.9 to 8 bar, this directly actuated poppet valve offers fast switching times down to 2 ms. The valve features sub-base pneumatic connections, allowing for versatile installation options including direct mounting, individual sub-base, or manifold assembly with blocks supporting 2 to 10 valves. Ideal for industrial automation systems requiring rapid cycling and precise air control.
The Festo MHA2-M1H-3/2O-2-K is a 3/2-way, open, monostable air solenoid valve designed for high-performance pneumatic automation. It offers rapid switching speeds and precise air control for demanding industrial applications. A key benefit is its versatility in mounting, allowing for individual, direct, or manifold assembly. The primary caveat to consider is its specific 3/2 function, which may not be suitable for all pneumatic circuit designs.
All features
Model Part Number
MHA2-M1H-3/2O-2-K
Brand
Festo
Extended Product Information
FAQs
What is the primary function of a 3/2-way valve?
A 3/2-way valve has three ports and two positions. It is typically used to control single-acting pneumatic cylinders, where one port supplies air, another is the working/outlet port, and the third is an exhaust port.
What does 'monostable' mean for this valve?
Monostable means the valve has one stable position (its resting state) and requires continuous energy (an electrical signal to the solenoid) to move to and hold its other position. When the energy is removed, it automatically returns to its resting state.
What is the maximum number of valves that can be assembled on a manifold block?
Manifold blocks for this series support assemblies with 2 to 10 valves.
Can this valve be used with non-lubricated air?
Yes, the MH series valves are designed to operate reliably with filtered, lubricated, or unlubricated compressed air conforming to ISO 8573-1 standards.
What is the smallest switching time achievable?
The valve offers fast switching times down to 2 milliseconds.
How do I determine the correct voltage for the solenoid?
The correct voltage is determined by the specific solenoid coil installed on the valve. This information is typically found on the coil itself or in the product's detailed datasheet. Ensure it matches your control system's output.
What is the nominal flow rate of this valve?
The standard nominal flow rate for this valve is 100 liters per minute (l/min).
Troubleshooting
Valve does not actuate when signal is applied.
Check electrical connection, ensure correct voltage is supplied to the solenoid, and verify the signal is active. Confirm the valve is not blocked and the air supply is adequate.
Valve does not return to its resting position.
Ensure the electrical signal is de-energized. Check for any mechanical obstructions or backpressure that might be preventing return. Verify the spring mechanism is not damaged.
Air leaks from ports.
Inspect all pneumatic connections for tightness. Check seals on the sub-base or manifold block for damage or wear. Ensure the valve body is not cracked.
Slow switching times.
Verify air supply pressure is within the operating range. Ensure the air is clean and free of contaminants. Check for restrictions in the air lines or exhaust port.
Pros and Cons
Pros
Fast switching times for rapid automation cycles.
Versatile mounting options including individual, direct, and manifold assembly.
Wide operating pressure range suits various industrial settings.
3/2-way function is specific and not universally applicable.
Requires a suitable air supply and control signal.
Direct actuation may have limitations in extremely high flow scenarios compared to pilot-operated valves.
Monostable design means it requires continuous power to hold the actuated state.
Careful consideration needed for exhaust port management in 3/2 systems.
Setup, Compatibility & Care
Setup:
Mounting: Select the appropriate mounting method: direct mounting, individual sub-base, or manifold assembly. Ensure the sub-base is securely fastened to the machine or panel.
Pneumatic Connections: Connect the pressure (P), outlet (A), and exhaust (R) ports according to the 3/2-way diagram. Ensure all connections are tight to prevent leaks.
Electrical Connection: Connect the solenoid coil to a compatible power supply. Ensure the voltage and current ratings match the valve's specifications.
Compatibility:
Pneumatic Medium: Suitable for filtered, lubricated, or unlubricated compressed air conforming to ISO 8573-1.
Operating Pressure: Compatible with systems operating between -0.9 and 8 bar.
Electrical Supply: Verify the voltage requirements of the solenoid coil.
Mounting Systems: Compatible with Festo sub-bases and manifold blocks for the MH series.
Care:
Filtration: Use a filtered air supply to prolong the valve's life and ensure consistent performance. Replace filters regularly.
Cleaning: Keep the valve and surrounding area clean. If cleaning is necessary, use a dry or slightly damp cloth. Avoid harsh solvents.
Leak Checks: Periodically check all pneumatic connections for leaks. Address any leaks promptly.
Environment: Operate within the specified temperature and humidity ranges. Protect from excessive dust and moisture.