Festo MFH-3-1/4
Universal directional control valve
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The MFH-3-1/4 universal directional control valve from Festo is engineered for versatile control in pneumatic systems. Featuring a 3/2-way configuration and 1/4-inch ports, it ensures reliable switching and regulation of airflow. This valve is constructed from high-quality materials, providing excellent durability and resistance to wear in harsh conditions. Its robust design allows for easy integration into various industrial applications, including automation and material handling.
Festo Universal directional control valve.
MFH-3-1/4 Datasheet:
| Valve function | 3/2-way, closed, monostable |
| Type of actuation | Electric |
| Construction width | 30.5 mm |
| Standard nominal flow rate (standardised to DIN 1343) | 800 l/min |
| pneumatic working port | G1/4 |
| Operating voltage | Via solenoid coil, must be ordered separately |
| Operating pressure | 0.15 MPa ... 0.8 MPa |
| Operating pressure | 1.5 bar ... 8 bar |
| Design | Poppet seat |
| Type of reset | Mechanical spring |
| Approval | c UL us - Recognized (OL) |
| Degree of protection | IP65 |
| Nominal size | 7 mm |
| Grid dimension | 32 mm |
| Exhaust-air function | With flow control option |
| Sealing principle | Soft |
| Mounting position | optional |
| Manual override | Detenting |
| Type of piloting | Pilot actuated |
| Flow direction | Non-reversible |
| Symbol | 00991041 |
| lap | Underlap |
| Switching time off | 29 ms |
| Switching time on | 10 ms |
| Max. positive test pulse with 0 signal | 2200 µs |
| Max. negative test pulse with 1 signal | 3700 µs |
| Characteristic coil data | See solenoid coil, to be ordered separately |
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) |
| Corrosion resistance class CRC | 1 - Low corrosion stress |
| LABS (PWIS) conformity | VDMA24364-B1/B2-L |
| Storage temperature | -20 °C ... 60 °C |
| Media temperature | -10 °C ... 60 °C |
| Ambient temperature | -5 °C ... 40 °C |
| Product weight | 320 g |
| Electrical connection | Via F coil, to be ordered separately |
| Type of mounting | Either:On manifold railWith through-hole |
| Pilot exhaust port 82 | M5 |
| Pneumatic connection, port 1 | G1/4 |
| Pneumatic connection, port 2 | G1/4 |
| Pneumatic connection, port 3 | G1/4 |
| Note on materials | RoHS-compliant |
| Material seals | NBR |
| Material housing | Die-cast aluminium |
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