Product Model
mfh-5/3b-3/8-b-ex

Selling Points
- 1High Flow Rate: The Festo MFH-5/3B-3/8-B-EX solenoid valve features a standard nominal flow rate of 2600 liters per minute, ensuring efficient operation in various industrial applications.
- 2Electrical Actuation: This valve is electrically actuated, providing reliable and precise control over pneumatic systems. The actuation type ensures consistent performance and easy integration with control systems.
- 3Robust Design: With a structural design featuring a piston gate valve, the MFH-5/3B-3/8-B-EX offers robust operation and durability. It is designed to withstand operating pressures of 3 to 10 bar.
- 4Safety Features: The valve is certified for explosion protection according to ATEX and UKEX directives, ensuring safe operation in hazardous environments. It also meets IP65 protection standards for dust and water ingress.
- 5Versatile Mounting Options: The MFH-5/3B-3/8-B-EX can be mounted in any position and includes manual override options for non-detenting operation. This flexibility makes it suitable for a wide range of industrial automation applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Valve function | 5/3, pressurized | Actuation type | Electrical |
Width | 40mm | Standard nominal flow rate | 2600l/min |
Pneumatic working port | G3/8 | Operating pressure | 3bar 10bar |
Structural design | Piston gate valve | Reset method | Mechanical spring |
CE marking (see declaration of conformity) | as per EU explosion protection directive (ATEX) | Explosion protection certification outside the EU | EPL Db (GB) EPL Gb (GB) |
UKCA marking (see declaration of conformity) | acc. to UK EX instructions | ATEX category gas | II 2G |
ATEX category for dust | II 2D | Type of ignition protection for gas | Ex h IIC T4 Gb |
Type of (ignition) protection for dust | Ex h IIIC T130°C Db | Explosive ambient temperature | -5°C <= Ta <= +40°C |
Degree of protection | IP65 | Nominal width | 12mm |
Width dimension | 41mm | Exhaust air function | With flow control option |
Sealing principle | Soft | Mounting position | Any |
Manual override | Non-detenting | Type of control | Pilot-controlled |
Pilot air supply port | Internal | Flow direction | Non-reversible |
Symbol | 00991034 | Lap | Overlap |
Max. switching frequency | 3Hz | Switching time off | 118ms |
On switching time | 25ms | Changeover time | 78ms |
Max. positive test pulse with 0 signal | 2200μs | Max. negative test pulse on 1 signal | 3700μs |
Explosion prevention and protection | Zone 1 (ATEX) Zone 1 (UKEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 21 (UKEX) Zone 22 (ATEX) | Operating medium | Compressed air as per ISO 8573-1:2010 [7:4:4] |
Information on operating and pilot media | Operation with oil lubrication possible (required for further use) | Corrosion resistance class (CRC) | 1 - Low corrosion stress |
LABS (PWIS) conformity | VDMA24364-B1/B2-L | Storage temperature | -40°C 60°C |
Temperature of medium | -5°C 40°C | Ambient temperature | -5°C 40°C |
Product weight | 780g | Electrical connection | Via F coil, to be ordered separately |
Type of mounting | With through-hole | Pilot exhaust air port 82 | M5 |
Pilot exhaust air port 84 | M5 | Pneumatic connection 1 | G3/8 |
Pneumatic connection 2 | G3/8 | Pneumatic connection 3 | G3/8 |
Pneumatic connection 4 | G3/8 | Pneumatic connection 5 | G3/8 |
Note on materials | RoHS-compliant | Seals material | NBR |
Housing material | Die-cast aluminum | Manufacturer ID | 535950 |
Specifications may be subject to change without notice