Product Model
mfh-5/3b-d-2-s-c-ex
Selling Points
- 1The Festo MFH-5/3B-D-2-S-C-EX solenoid valve offers a standard nominal flow rate of 2300 liters per minute, making it suitable for high-demand applications.
- 2This valve is certified for use in hazardous environments, meeting ATEX category gas II 2G and dust II 2D standards, ensuring safe operation.
- 3The valve is electrically actuated, providing precise control and reliability in industrial automation systems.
- 4Designed with a pneumatic working port, it can handle operating pressures from -0.9 to 16 bar, making it versatile for various industrial applications.
- 5Equipped with a mechanical spring reset method, this valve ensures reliable and consistent operation, even in the absence of power.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | 5/3, pressurized | Actuation type | Electrical |
Width | 54mm | Standard nominal flow rate | 2300l/min |
Pneumatic working port | Sub-base, size 2 according to ISO 5599-1 G3/8 | Operating voltage | Via solenoid coil, to be ordered separately |
Operating pressure | -0.9bar 16bar | Structural design | Piston gate valve |
Reset method | Mechanical spring | CE marking (see declaration of conformity) | as per EU explosion protection directive (ATEX) |
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 T105°C Db | Explosive ambient temperature | -5°C <= Ta <= +40°C |
Explosion protection certification outside the EU | EPL Db (GB) EPL Gb (GB) | Degree of protection | IP65 |
Nominal width | 11.5mm | Width dimension | 56mm |
Exhaust air function | With flow control option | Sealing principle | Soft |
Mounting position | Any | Conforms to standard | ISO 5599-1 |
Manual override | Detenting via accessory Non-detenting | ISO code | 269 |
Type of control | Pilot-controlled | Pilot air supply port | External |
Flow direction | Reversible | Symbol | 00991079 |
Lap | Overlap | Pilot pressure | 3bar 10bar |
Switching time off | 69ms | On switching time | 35ms |
Max. positive test pulse with 0 signal | 2200μs | Max. negative test pulse on 1 signal | 3700μs |
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) | Vibration resistance | Transport application test with severity level 1 as per FN 942017-4 and EN 60068-2-6 |
Shock resistance | Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27 | LABS (PWIS) conformity | VDMA24364-B1/B2-L |
Temperature of medium | -10°C 60°C | Noise level | 85dB(A) |
Pilot medium | Compressed air as per ISO 8573-1:2010 [7:4:4] | Ambient temperature | -5°C 40°C |
Product weight | 820g | Electrical connection | Via F coil, to be ordered separately |
Type of mounting | On sub-base With through-hole and screw | Pilot exhaust air port 82 | M5 |
Pilot exhaust air port 84 | M5 | Pilot air port 12 | Sub-base, size 2 as per ISO 5599-1 |
Pilot air port 14 | Sub-base, size 2 as per ISO 5599-1 | Pneumatic connection 1 | Sub-base, size 2 as per ISO 5599-1 |
Pneumatic connection 2 | Sub-base, size 2 as per ISO 5599-1 | Pneumatic connection 3 | Sub-base, size 2 as per ISO 5599-1 |
Pneumatic connection 4 | Sub-base, size 2 as per ISO 5599-1 | Pneumatic connection 5 | Sub-base, size 2 as per ISO 5599-1 |
Note on materials | RoHS-compliant | Seals material | HNBR NBR |
Housing material | Die-cast aluminum | Manufacturer ID | 535985 |
Specifications may be subject to change without notice