mfh-3-1/8-ex
Product ID:9916
Updated: 2026/4/3
Key Features
- 1Achieve precise pneumatic control with a 500 l/min flow rate. 2、Ensure durability with a die-cast aluminum and anodized housing. 3、Enable secure operation via mechanical spring reset and manual override. 4、Operate reliably from -5°C to 40°C with explosion protection certification. 5、Benefit from fast 29ms switching performance with a 120V AC coil.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Valve function | 3/2, closed, monostable | Actuation type | Electrical |
| Width | 26mm | Standard nominal flow rate | 500l/min |
| Pneumatic working port | G1/8 | 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 | 5mm | Width dimension | 27mm |
| 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 |
| Switching time off | 29ms | On switching time | 9ms |
| 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 | 240g |
| 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 | G1/8 | Pneumatic connection 2 | G1/8 |
| Pneumatic connection 3 | G1/8 | Note on materials | RoHS-compliant |
| Seals material | NBR | Housing material | Die-cast aluminum |
| Manufacturer ID | 535897 |
Specifications may be subject to change without notice