Product Model
mfh-3-1/2-s-ex
Selling Points
- 1The MFH-3-1/2-S-EX solenoid valve offers a standard nominal flow rate of 3700 l/min, making it ideal for applications requiring high fluid flow.
- 2With a mechanical spring return and well-tried component design, this valve ensures reliable operation over millions of cycles.
- 3The MFH-3-1/2-S-EX is certified to EU ATEX Directive and UK EX instructions, ensuring safe operation in hazardous environments.
- 4The valve has a compact construction width of 52 mm, making it suitable for various mounting options, including on manifold rails.
- 5Constructed from die-cast aluminum with Nitrile seals, this valve provides durability and resistance to corrosion, ensuring long-lasting performance.
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 | -0.95bar 10bar | 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 | Pilot air supply port | External |
Flow direction | Reversible | Symbol | 00992879 |
Lap | Underlap | Pilot pressure MPa | 0.1MPa 0.8MPa |
Pilot pressure | 1bar 8bar | 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 |
Pilot medium | Compressed air as per ISO 8573-1:2010 [7:4:4] | 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 | Pilot air port 12 | G1/8 |
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 | 535902 |
Specifications may be subject to change without notice