Product Model
mfh-5-3/8-l-b-ex
Selling Points
- 1The Festo MFH-5-3/8-L-B-EX solenoid valve offers a 5/2-way monostable function, providing precise control over pneumatic systems with its electric actuation.
- 2With a construction width of 40 mm and a standard nominal flow rate of 2000 l/min, this valve is designed for efficient operation in various industrial applications.
- 3The valve is constructed from die-cast aluminum with NBR seals, ensuring durability and resistance to corrosion, making it suitable for harsh environments.
- 4The MFH-5-3/8-L-B-EX is certified for ATEX zones 1 and 2, as well as UKEX zones 1 and 21, ensuring compliance with international explosion protection standards.
- 5This solenoid valve features a soft mounting position and non-detenting type of piloting, allowing for easy integration and reliable operation in complex systems.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | 5/2, monostable | Actuation type | Electrical |
Width | 40mm | Standard nominal flow rate | 2000l/min |
Pneumatic working port | G3/8 | Operating pressure | 2bar 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 | 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 | 00991023 | Lap | Overlap |
Max. switching frequency | 3Hz | Switching time off | 50ms |
On switching time | 25ms | 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 | 630g |
Electrical connection | Via F coil, to be ordered separately | Type of mounting | With through-hole |
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 | 535923 |
Specifications may be subject to change without notice