Product Model
mfh-5/3g-1/4-b-ex
Selling Points
- 1The Festo MFH-5/3G-1/4-B-EX solenoid valve is designed for high-performance applications, ensuring reliable operation in a wide range of temperatures and pressures.
- 2This valve features electrical actuation, providing precise control over the valve's operation and minimizing the need for manual intervention.
- 3With a low corrosion stress classification (CRC 1), the MFH-5/3G-1/4-B-EX is ideal for applications where corrosion resistance is crucial.
- 4The valve includes an internal pilot air supply, enhancing its functionality and efficiency in pneumatic systems.
- 5The valve's compact design (construction width of 32 mm) makes it suitable for a variety of industrial applications where space is limited.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | 5/3, closed | Actuation type | Electrical |
Width | 32mm | Standard nominal flow rate | 1600l/min |
Pneumatic working port | G1/4 | 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 | 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 | Internal | Flow direction | Non-reversible |
Symbol | 00991033 | Lap | Overlap |
b-value | 0.38 | C value | 6.35l/sbar |
Max. switching frequency | 3Hz | Switching time off | 36ms |
On switching time | 20ms | Changeover time | 30ms |
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 | Ambient temperature | -5°C 40°C |
Product weight | 500g | 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 | 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 | 535937 |
Specifications may be subject to change without notice