Product Model
mfh-5/3e-3/8-b-ex
Selling Points
- 1The Festo MFH-5/3E-3/8-B-EX solenoid valve boasts a service life of 10 million cycles, ensuring long-lasting performance in demanding applications.
- 2This valve features a mechanical spring return, providing a reliable and consistent operation with a spring return to mid-position on logic 0.
- 3The MFH-5/3E-3/8-B-EX is CE marked and compliant with the EU ATEX Directive, making it suitable for safety-related applications.
- 4The valve is designed with standardized dimensions and mounting interfaces, ensuring easy integration into various pneumatic systems.
- 5The product is a well-tried component for safety-related applications according to ISO 13849-1, ensuring high reliability in critical operations.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | 5/3, exhausted | Actuation type | Electrical |
Width | 40mm | Standard nominal flow rate | 2200l/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 | 00991036 | Lap | Overlap |
Max. switching frequency | 3Hz | Switching time off | 114ms |
On switching time | 26ms | Changeover time | 83ms |
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 | 535944 |
Specifications may be subject to change without notice