Product Model
mfh-5-1/8-s-ex

Selling Points
- 1The Festo MFH-5-1/8-S-EX solenoid valve offers a 5/2-way monostable function, ensuring precise control in various industrial applications.
- 2This valve features electric actuation, making it suitable for applications requiring quick and reliable operation.
- 3With a nominal flow rate of 500 L/min and operating pressures up to 10 bar, the MFH-5-1/8-S-EX is ideal for demanding fluid control tasks.
- 4The valve is designed with a poppet seat and mechanical spring reset, ensuring reliable operation and long service life.
- 5The MFH-5-1/8-S-EX complies with EU and UK explosion protection directives, making it safe for use 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 | 26mm | Standard nominal flow rate | 500l/min |
Pneumatic working port | G1/8 | Operating voltage | Via solenoid coil, to be ordered separately |
Operating pressure | 0bar 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 | 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 | Pilot air supply port | External |
Flow direction | Non-reversible | Symbol | 00991024 |
Lap | Underlap | Pilot pressure MPa | 0.12MPa 0.8MPa |
Pilot pressure | 1.2bar 8bar | Switching time off | 36ms |
On switching time | 8ms | 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 | 270g |
Type of mounting | Optionally: On terminal strip With through-hole | Venting hole connection | M5 |
Pilot exhaust air port 84 | M5 | Pilot air port 14 | M5 |
Pneumatic connection 1 | G1/8 | Pneumatic connection 2 | G1/8 |
Pneumatic connection 3 | G1/8 | Pneumatic connection 4 | G1/8 |
Pneumatic connection 5 | G1/8 | Note on materials | RoHS-compliant |
Seals material | NBR TPE-U(PU) | Housing material | Die-cast aluminum |
Manufacturer ID | 535909 |
Specifications may be subject to change without notice