Product Model
mfh-5/3g-3/8-b-ex
Selling Points
- 1The Festo MFH-5/3G-3/8-B-EX solenoid valve offers a 5/3 closed valve function, ensuring precise control in various industrial applications. Its electric actuation provides reliable operation with minimal maintenance.
- 2With a standard nominal flow rate of 2200 l/min and an operating pressure range of 0.3 MPa to 1 MPa (3 bar to 10 bar), this valve is suitable for demanding pneumatic systems. Its construction width is 40 mm, making it compact and versatile.
- 3The MFH-5/3G-3/8-B-EX is designed with a piston gate valve and features a mechanical spring reset, ensuring consistent performance and easy reset functionality. It also meets ATEX and UKEX explosion protection directives, making it safe for hazardous environments.
- 4This solenoid valve is equipped with soft sealing principles and can be throttled for exhaust functions, providing flexible control options. It operates with compressed air to ISO 8573-1:2010 [7:4:4] and has a corrosion resistance class of CRC 1, ensuring durability in various conditions.
- 5The valve supports reversible flow direction and has a maximum switching frequency of 3 Hz, with switching times of 20 ms on and 96 ms off. It also features internal flow control and non-reversible lap overlap, enhancing its reliability and efficiency in automated systems.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | 5/3, closed | 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 | 00991033 | Lap | Overlap |
Max. switching frequency | 3Hz | Switching time off | 96ms |
On switching time | 20ms | Changeover time | 54ms |
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 | 1000g | 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 | 535938 |
Specifications may be subject to change without notice