Product Model
mfh-5-1/8-l-s-b-ex

Key Features
- 1The Festo MFH-5-1/8-L-S-B-EX solenoid valve is a 5/2-way, monostable valve designed for electric actuation, ensuring precise control in various industrial applications.
- 2With a standard nominal flow rate of 1000 l/min and a construction width of 26 mm, this valve is ideal for applications requiring high flow rates and compact designs.
- 3The valve is constructed from die-cast aluminum and features NBR seals, making it durable and resistant to corrosion, ensuring long-lasting performance in harsh environments.
- 4The MFH-5-1/8-L-S-B-EX is certified to EU and UK EX instructions, meeting ATEX category gas II 2G and dust II 2D explosion protection standards, ensuring safe operation in hazardous zones.
- 5This solenoid valve supports reversible lap operation with a pilot air supply, allowing for flexible control and easy integration into complex pneumatic systems.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Valve function | 5/2, monostable | Actuation type | Electrical |
| Width | 26mm | Standard nominal flow rate | 1000l/min |
| Pneumatic working port | G1/8 | Operating pressure | -0.9bar 10bar |
| Structural design | Piston gate valve | Reset method | Pneumatic 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 | 8mm |
| Width dimension | 27mm | Sealing principle | Soft |
| Mounting position | Any | Manual override | Non-detenting |
| Type of control | Pilot-controlled | Pilot air supply port | External |
| Flow direction | Reversible | Symbol | 00991026 |
| Lap | Overlap | Pilot pressure MPa | 0.3MPa 1MPa |
| Pilot pressure | 3bar 10bar | Max. switching frequency | 3Hz |
| Switching time off | 22ms | On switching time | 27ms |
| 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 | Pilot medium | Compressed air as per ISO 8573-1:2010 [7:4:4] |
| Ambient temperature | -5°C 40°C | Product weight | 300g |
| Electrical connection | Via F coil, to be ordered separately | Type of mounting | With through-hole |
| Pilot exhaust air port 84 | M5 | Pilot air port 12 | G1/8 |
| Pilot air port 14 | G1/8 | Pneumatic connection 1 | G1/8 |
| Pneumatic connection 2 | G1/8 | Pneumatic connection 3 | G1/8 |
| Pneumatic connection 4 | G1/8 | Pneumatic connection 5 | G1/8 |
| Note on materials | RoHS-compliant | Seals material | NBR |
| Housing material | Die-cast aluminum | Manufacturer ID | 535927 |
Specifications may be subject to change without notice
