Product Model
mfh-5-1/4-l-s-b-ex

Selling Points
- 1The Festo MFH-5-1/4-L-S-B-EX solenoid valve offers 5/2-way monostable operation, ensuring reliable and precise control in various industrial applications.
- 2With electric actuation, this valve provides efficient and fast switching, making it suitable for high-performance automation systems.
- 3The valve is ATEX certified, ensuring explosion protection in hazardous environments, meeting the highest safety standards for gas and dust applications.
- 4Featuring a standard nominal flow rate of 1600 l/min, the MFH-5-1/4-L-S-B-EX solenoid valve is designed to handle high fluid flow rates efficiently.
- 5Constructed with die-cast aluminum and using NBR seals, this valve is durable, corrosion-resistant, and compliant with RoHS regulations, ensuring long-lasting performance in demanding industrial conditions.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Valve function | 5/2, monostable | Actuation type | Electrical |
Width | 32mm | Standard nominal flow rate | 1600l/min |
Pneumatic working port | G1/4 | 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 | 10mm |
Width dimension | 33mm | 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 | External | Flow direction | Reversible |
Symbol | 00991026 | Lap | Overlap |
Pilot pressure MPa | 0.3MPa 1MPa | Pilot pressure | 3bar 10bar |
b-value | 0.38 | C value | 6.35l/sbar |
Max. switching frequency | 3Hz | Switching time off | 42ms |
On switching time | 23ms | 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 | -10°C 60°C |
Pilot medium | Compressed air as per ISO 8573-1:2010 [7:4:4] | Ambient temperature | -5°C 40°C |
Product weight | 380g | 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 | G1/4 | Pneumatic connection 2 | G? |
Pneumatic connection 3 | G1/4 | Pneumatic connection 4 | G1/4 |
Pneumatic connection 5 | G1/4 | Note on materials | RoHS-compliant |
Seals material | NBR | Housing material | Die-cast aluminum |
Manufacturer ID | 535928 |
Specifications may be subject to change without notice