mfh-5/3b-d-1-c-ex
Product ID:9978
Updated: 2026/4/3
Key Features
- 1Handle pressures from 0.3 to 1 MPa for demanding applications. 2、Meet ATEX and UKEX standards for safe hazardous area use. 3、Control flow precisely with reliable electric actuation. 4、Mount in any position with the soft mounting option. 5、Ensure durability with a robust piston gate valve design.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Valve function | 5/3, pressurized | Actuation type | Electrical |
| Width | 42mm | Standard nominal flow rate | 1200l/min |
| Pneumatic working port | Sub-base, size 1 according to ISO 5599-1 G1/4 | Operating voltage | Via solenoid coil, to be ordered separately |
| 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) |
| 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 T105°C Db | Explosive ambient temperature | -5°C <= Ta <= +40°C |
| Explosion protection certification outside the EU | EPL Db (GB) EPL Gb (GB) | Degree of protection | IP65 |
| Nominal width | 8mm | Width dimension | 43mm |
| Exhaust air function | With flow control option | Sealing principle | Soft |
| Mounting position | Any | Conforms to standard | ISO 5599-1 |
| Manual override | Detenting via accessory Non-detenting | ISO code | 158 |
| Type of control | Pilot-controlled | Pilot air supply port | Internal |
| Flow direction | Non-reversible | Symbol | 00991083 |
| Lap | Overlap | Switching time off | 36ms |
| On switching time | 18ms | 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) |
| Vibration resistance | Transport application test with severity level 1 as per FN 942017-4 and EN 60068-2-6 | Shock resistance | Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27 |
| LABS (PWIS) conformity | VDMA24364-B1/B2-L | Temperature of medium | -5°C 40°C |
| Noise level | 85dB(A) | Pilot medium | Compressed air as per ISO 8573-1:2010 [7:4:4] |
| Ambient temperature | -5°C 40°C | Product weight | 520g |
| Electrical connection | Via F coil, to be ordered separately | Type of mounting | On sub-base With through-hole |
| Pilot air port 12 | Sub-base, size 1 as per ISO 5599-1 | Pilot air port 14 | Sub-base, size 1 as per ISO 5599-1 |
| Pneumatic connection 1 | Sub-base, size 1 as per ISO 5599-1 | Pneumatic connection 2 | Sub-base, size 1 as per ISO 5599-1 |
| Pneumatic connection 3 | Sub-base, size 1 as per ISO 5599-1 | Pneumatic connection 4 | Sub-base, size 1 as per ISO 5599-1 |
| Pneumatic connection 5 | Sub-base, size 1 as per ISO 5599-1 | Note on materials | RoHS-compliant |
| Seals material | HNBR NBR | Housing material | Die-cast aluminum |
| Manufacturer ID | 535981 |
Specifications may be subject to change without notice