Product Model
mfh-3-3/4-s-ex
Selling Points
- 1The MFH-3-3/4-S-EX features a die-cast aluminum housing and NBR material seals, ensuring robustness and long-lasting performance.
- 2With a standard nominal flow rate of 7500 L/min and a switching time of 32 ms off and 36 ms on, this valve provides precise control over pneumatic systems.
- 3Designed for safety-related applications, the MFH-3-3/4-S-EX has a service life of 5 million cycles and meets ISO 13849-1 standards for reliability.
- 4Available in various mounting configurations, including manifold rail and through-hole types, making it easy to integrate into different pneumatic setups.
- 5Meets CE mark and ATEX Directive requirements, ensuring compliance with stringent safety standards for industrial applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | 3/2, closed, monostable | Actuation type | Electrical |
Width | 68mm | Standard nominal flow rate | 7500l/min |
Pneumatic working port | G3/4 | 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 | 19mm | 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 |
Switching time off | 32ms | On switching time | 36ms |
Max. positive test pulse with 0 signal | 2200μs | 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 | 1260g |
Electrical connection | Via F coil, to be ordered separately | Type of mounting | With through-hole |
Venting hole connection | M5 | Pilot exhaust air port 82 | M5 |
Pilot air port 12 | G1/8 | Pneumatic connection 1 | G3/4 |
Pneumatic connection 2 | G3/4 | Pneumatic connection 3 | G3/4 |
Note on materials | RoHS-compliant | Seals material | NBR |
Housing material | Die-cast aluminum | Manufacturer ID | 536191 |
Specifications may be subject to change without notice