Product Model
mfh-5-1/4-ex
Selling Points
- 1The Festo MFH-5-1/4-EX solenoid valve offers a standard nominal flow rate of 1000 l/min, ensuring efficient air control in various industrial applications.
- 2Built with die-cast aluminum housing and NBR/TPE-U(PU) seals, this valve provides durability and resistance to corrosion, making it suitable for demanding environments.
- 3The valve features electrical actuation, allowing for precise control and easy integration into automation systems.
- 4The MFH-5-1/4-EX operates within a wide temperature range of -5°C to +40°C and can handle pressures up to 8 bar, ensuring reliable performance in various conditions.
- 5The valve meets ATEX and UKEX standards for explosion protection, ensuring safe operation in hazardous environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | 5/2, monostable | Actuation type | Electrical |
Width | 30.5mm | Standard nominal flow rate | 1000l/min |
Pneumatic working port | G1/4 | Operating voltage | Via solenoid coil, to be ordered separately |
Operating pressure | 2.2bar 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 | 7mm | Width dimension | 32mm |
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 | 0.19 | C value | 4.49l/sbar |
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 | 290g |
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 | G1/4 | Pneumatic connection 2 | G? |
Pneumatic connection 3 | G1/4 | Pneumatic connection 4 | G1/4 |
Pneumatic connection 5 | G1/4 | Note on materials | RoHS-compliant |
Seals material | NBR | Housing material | Die-cast aluminum |
Manufacturer ID | 535907 |
Specifications may be subject to change without notice