Product Model
mfh-5/3b-d-3-c-ex
Selling Points
- 1The Festo MFH-5/3B-D-3-C-EX solenoid valve is a 5/3-way, pressurized valve with an electrical actuation type, ensuring precise control in various industrial settings.
- 2With a standard nominal flow rate of 4000 l/min and a width of 65 mm, this valve is ideal for applications requiring high flow rates and compact designs.
- 3The valve features soft mounting and meets the ISO 5599-1 standard, making it versatile for different mounting positions and applications.
- 4Equipped with a mechanical spring reset method and IP65 degree of protection, the MFH-5/3B-D-3-C-EX solenoid valve ensures reliable operation and durability in harsh environments.
- 5This valve is certified for ATEX category gas II 2G and dust II 2D, ensuring compliance with EU explosion protection directives and UKCA marking for safe operation in explosive zones.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | 5/3, pressurized | Actuation type | Electrical |
Width | 65mm | Standard nominal flow rate | 4000l/min |
Pneumatic working port | Sub-base, size 3 as per ISO 5599-1 G1/2 | Operating voltage | Via solenoid coil, to be ordered separately |
Operating pressure | 3bar 10bar | 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 | 14.5mm | Width dimension | 71mm |
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 | 358 |
Type of control | Pilot-controlled | Pilot air supply port | Internal |
Flow direction | Non-reversible | Symbol | 00991083 |
Lap | Overlap | Switching time off | 75ms |
On switching time | 36ms | 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) | Ambient temperature | -5°C 40°C |
Product weight | 1040g | 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 | Pneumatic connection 1 | Sub-base, size 3 as per ISO 5599-1 |
Pneumatic connection 2 | Sub-base, size 3 as per ISO 5599-1 | Pneumatic connection 3 | Sub-base, size 3 as per ISO 5599-1 |
Pneumatic connection 4 | Sub-base, size 3 as per ISO 5599-1 | Pneumatic connection 5 | Sub-base, size 3 as per ISO 5599-1 |
Note on materials | RoHS-compliant | Seals material | HNBR NBR |
Housing material | Die-cast aluminum | Manufacturer ID | 535983 |
Specifications may be subject to change without notice