The MFH-3-1/4-EX is a solenoid valve from the FESTO Tiger Classic series, a classic general-purpose directional control valve.
This 3/2-way valve is normally closed, monostable, and uses an electro-hydraulic actuator with a mechanical spring return. It is ATEX certified for explosion protection, suitable for explosive gas and dust environments, and has an IP65 protection rating. Standard rated flow rates reach 800 L/min, and it is widely used in industrial automation pneumatic systems requiring explosion protection.
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Core Features
- ✓ Explosion-proof certification: ATEX 2G/2D explosion-proof rating, suitable for explosive gas and dust environments.
- ✓ High flow rate: Standard rated flow rate 800L/min, fast response (10ms on/29ms off).
- ✓ Rugged and durable: Die-cast aluminum housing, all-metal construction, cone valve design, reliable and durable.
- ✓ Flexible installation: Supports installation in any position, with manual control, can be installed via through-hole or terminal block.
Technical Specifications
| Brand |
FESTO
|
| Model / Part Number |
MFH-3-1/4-EX |
| Order No. |
535898 |
| Valve Function |
3/2-way, normally closed, monostable |
| Actuation Method |
Electrically controlled |
| Standard Rated Flow Rate |
800 l/min |
| Air Connection |
G1/4 |
| Operating Pressure |
1.5 ~ 8 bar |
| Operating Temperature |
-5 ~ 40℃ |
Frequently Asked Questions
Q: What are the main applications of the MFH-3-1/4-EX?
A: Primarily used in industrial automation pneumatic systems requiring explosion-proof features. Examples include hazardous locations with explosive gases or dust, such as petrochemical plants, mines, painting workshops, and dusty environments. ATEX certification ensures safe use in Zone 1, Zone 2 (gas) and Zone 21, Zone 22 (dust) environments.
Q: What are the flow rate and response speed of this valve?
A: The standard rated flow rate is 800 L/min, with a very fast switching time—only 10ms to open and 29ms to close. Suitable for pneumatic control systems requiring rapid response, such as high-speed material handling and packaging machinery.
Q: What should I pay attention to when purchasing? How do I choose the coil?
A: Two points to note:
The coil must be purchased separately: The valve body does not include an electromagnetic coil; it must be ordered separately according to the control voltage (e.g., 24V DC, 110V AC, 230V AC, etc.).
Installation orientation: Supports installation in any position, but it is recommended to ensure that the hand control device is easy to operate.
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