Product Model

mfh-5-1/4-l-b-ex

In Stock
Last updated: 2025/4/25
Festo mfh-5-1/4-l-b-ex

Selling Points

  • 1High Service Life: The MFH-5-1/4-L-B-EX solenoid valve boasts a service life of 10 million cycles, ensuring long-term reliability in demanding applications.
  • 2ATEX Certification: This valve meets the EU ATEX Directive and is certified for use in explosive environments, making it suitable for hazardous conditions.
  • 3Efficient Operation: With a maximum switching frequency of 3 Hz and a switching time of 42 ms off and 23 ms on, this valve operates efficiently and precisely.
  • 4Robust Design: Constructed with die-cast aluminum housing and NBR material seals, the MFH-5-1/4-L-B-EX offers robust performance and durability.
  • 5Versatile Mounting Options: The valve features an optional mounting position and through-hole type of mounting, providing flexibility in installation.
Product Details
mfh-5-1/4-l-b-ex
Festo

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Valve function
5/2, monostable
Actuation type
Electrical
Width
32mm
Standard nominal flow rate
1600l/min
Pneumatic working port
G1/4
Operating pressure
3bar 10bar
Structural design
Piston gate valve
Reset method
Pneumatic 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
10mm
Width dimension
33mm
Exhaust air function
With flow control option
Sealing principle
Soft
Mounting position
Any
Manual override
Non-detenting
Type of control
Pilot-controlled
Pilot air supply port
Internal
Flow direction
Non-reversible
Symbol
00991023
Lap
Overlap
b-value
0.38
C value
6.35l/sbar
Max. switching frequency
3Hz
Switching time off
42ms
On switching time
23ms
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)
Corrosion resistance class (CRC)
1 - Low corrosion stress
LABS (PWIS) conformity
VDMA24364-B1/B2-L
Storage temperature
-40°C 60°C
Temperature of medium
-10°C 60°C
Ambient temperature
-5°C 40°C
Product weight
380g
Electrical connection
Via F coil, to be ordered separately
Type of mounting
With through-hole
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
535922

Specifications may be subject to change without notice