Reliable OperationThe Festo MFH-5/3G-1/4-S-B-EX solenoid valve is designed to provide reliable operation in safety-related applications, adhering to ISO 13849-1 standards. This ensures consistent performance even under demanding conditions.
2
Efficient Flow RateWith a standard nominal flow rate of 1600 l/min, this valve efficiently manages fluid flow, making it ideal for applications requiring high throughput. Its throttleable exhaust-air function further enhances its efficiency.
3
Electrical ActuationThe valve is actuated electrically, providing quick and precise control over the flow of fluids. This makes it suitable for applications where rapid adjustments are necessary.
4
Mechanical Spring ResetThe valve features a mechanical spring reset, ensuring that it returns to its original position after deactivation. This mechanical reset mechanism adds to the overall reliability and durability of the valve.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Valve function
5/3, closed
Actuation type
Electrical
Width
32mm
Standard nominal flow rate
1600l/min
Pneumatic working port
G1/4
Operating pressure
-0.9bar 10bar
5
IP65 Protection ClassWith an IP65 protection class, the Festo MFH-5/3G-1/4-S-B-EX solenoid valve is designed to withstand harsh environments, including dust and water ingress. This makes it suitable for use in various industrial settings.
Structural design
Piston gate valve
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
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
External
Flow direction
Reversible
Symbol
00991020
Lap
Overlap
Pilot pressure MPa
0.3MPa 1MPa
Pilot pressure
3bar 10bar
b-value
0.38
C value
6.35l/sbar
Max. switching frequency
3Hz
Switching time off
36ms
On switching time
20ms
Changeover time
30ms
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
Pilot medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Ambient temperature
-5°C 40°C
Product weight
500g
Electrical connection
Via F coil, to be ordered separately
Type of mounting
With through-hole
Pilot exhaust air port 82
M5
Pilot exhaust air port 84
M5
Pilot air port 12
G1/8
Pilot air port 14
G1/8
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
Housing material
Die-cast aluminum
Manufacturer ID
535940
Festo MFH-5/3G-1/4-S-B-EX Solenoid Valve - Reliable and Efficient | INDSLT
