Product Model
mfh-3-1/2-ex
Selling Points
- 1The MFH-3-1/2-EX solenoid valve offers a standard nominal flow rate of 3700 l/min, making it suitable for demanding applications.
- 2This valve is electrically actuated, providing precise control and reliability in various industrial settings.
- 3With a construction width of 52 mm, the MFH-3-1/2-EX is designed for space-efficient installations, enhancing system flexibility.
- 4The valve meets ATEX category gas II 2G and dust II 2D standards, ensuring safe operation in hazardous environments.
- 5Made from die-cast aluminum with NBR seals, the MFH-3-1/2-EX offers robustness and durability in harsh conditions.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | 3/2, closed, monostable | Actuation type | Electrical |
Width | 52mm | Standard nominal flow rate | 3700l/min |
Pneumatic working port | G1/2 | Operating voltage | Via solenoid coil, to be ordered separately |
Operating pressure | 1.5bar 8bar | Structural design | Plate seat |
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 | 14mm | Width dimension | 69mm |
Exhaust air function | With flow control option | Sealing principle | Soft |
Mounting position | Any | Manual override | Detenting |
Type of control | Pilot-controlled | Flow direction | Non-reversible |
Symbol | 00991041 | Lap | Underlap |
b-value | 0.3 | Switching time off | 90ms |
On switching time | 18ms | Max. positive test pulse with 0 signal | 2200μs |
Max. negative test pulse on 1 signal | 3700μs | Coil characteristics | See solenoid coil, to be ordered separately |
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 | -20°C 60°C |
Temperature of medium | -5°C 40°C | Ambient temperature | -5°C 40°C |
Product weight | 1100g | Electrical connection | Via F coil, to be ordered separately |
Type of mounting | Optionally: On terminal strip With through-hole | Venting hole connection | M5 |
Pilot exhaust air port 82 | M5 | Pneumatic connection 1 | G1/2 |
Pneumatic connection 2 | G1/2 | Pneumatic connection 3 | G1/2 |
Note on materials | RoHS-compliant | Seals material | NBR |
Housing material | Die-cast aluminum | Manufacturer ID | 535899 |
Specifications may be subject to change without notice