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FESTO
Pneumatic valves and valve manifolds
Directional control valves
mfh-5/3b-d-3-s-c-ex
FESTO
Directional control valves
mfh-5/3b-d-3-s-c-ex
Product Model
mfh-5/3b-d-3-s-c-ex
Material Number
535986
Product ID
10484
Stock on Request
Last updated: 8/29/2026
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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, 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
-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
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
369
Type of control
Pilot-controlled
Pilot air supply port
External
Flow direction
Reversible
Symbol
00991079
Lap
Overlap
Pilot pressure
3bar 10bar
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)
Pilot medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
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
Pilot air port 12
Sub-base, size 3 as per ISO 5599-1
Pilot air port 14
Sub-base, size 3 as per ISO 5599-1
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
535986
mfh-5/3b-d-3-s-c-ex Festo | INDSLT
