Reliable Pneumatic ControlThe Festo MFH-5-1/4-B-EX solenoid valve ensures consistent and reliable pneumatic control, making it a crucial component in various industrial applications.
2
Efficient OperationWith a 5/2-way monostable function, this valve efficiently manages airflow, reducing energy consumption and enhancing overall system performance.
3
Wide Operating Pressure RangeThe valve operates effectively within a wide pressure range of 2 to 10 bar, accommodating diverse industrial requirements and ensuring flexibility in system design.
4
Soft Sealing PrincipleThe soft sealing principle used in the MFH-5-1/4-B-EX ensures minimal wear and tear, extending the lifespan of the valve and reducing maintenance needs.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Valve function
5/2, monostable
Actuation type
Electrical
Width
32mm
Standard nominal flow rate
1300l/min
Pneumatic working port
G1/4
Operating pressure
2bar 10bar
5
ATEX and Explosion Protection CertificationCertified to EU Explosion Protection Directive (ATEX) and EPL Db (GB) for gas and dust environments, this valve ensures safe operation in hazardous conditions, meeting stringent safety standards.
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
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
00991035
Lap
Underlap
b-value
0.29
C value
5.5l/sbar
Max. switching frequency
3Hz
Switching time off
36ms
On switching time
12ms
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
360g
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
G1/4
Pneumatic connection 3
G1/4
Pneumatic connection 4
G1/4
Pneumatic connection 5
G1/4
Note on materials
RoHS-compliant
Seals material
NBR TPE-U(PU)
Housing material
Die-cast aluminum
Manufacturer ID
535919
Festo MFH-5-1/4-B-EX Solenoid Valve - Reliable and Efficient Pneumatic Control | INDSLT
