mfh-5-1/2-ex
Product ID:9924
Updated: 2026/4/3

Key Features
- 1Deliver 3,700 l/min flow for reliable air control. 2、Construct with die-cast aluminum for high corrosion resistance. 3、Comply with ATEX Directive for explosive environment safety. 4、Mount easily on rails with a compact 52 mm width. 5、Switch in 21 ms for quick and precise airflow control.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Valve function | 5/2, 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 | 2bar 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 | 00991035 | Lap | Underlap |
| b-value | 0.32 | Switching time off | 150ms |
| On switching time | 21ms | 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 | 1135g | 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 84 | M5 | Pneumatic connection 1 | G1/2 |
| Pneumatic connection 2 | G1/2 | Pneumatic connection 3 | G1/2 |
| Pneumatic connection 4 | G1/2 | Pneumatic connection 5 | G1/2 |
| Note on materials | RoHS-compliant | Seals material | NBR TPE-U(PU) |
| Housing material | Die-cast aluminum | Manufacturer ID | 535908 |
Specifications may be subject to change without notice
