Precise Pressure ControlThe Festo MS4-LR pressure regulator offers precise control over compressed air, ensuring consistent output pressures across a wide range of applications.
2
High Flow RatesWith its high flow rate performance, the MS4-LR can handle demanding industrial applications without compromising on pressure stability.
3
Versatile Mounting OptionsThe regulator can be mounted in-line, on the front panel, or via accessories, providing flexibility in installation and integration into existing systems.
4
Directly-Actuated Diaphragm DesignThe directly-actuated diaphragm design ensures quick response times and minimal pressure drop, making it ideal for applications requiring rapid adjustments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Size
4
Series
MS
Actuator lock
Rotary knob with detent Rotary knob with integrated lock can be closed with accessories
Mounting position
Any
Structural design
Pressure regulator with pressure gauge
Controller function
Outlet pressure constant With secondary exhausting With return flow function
5
Reliable OperationThe MS4-LR features a rotary knob with detent for easy operation and a regulator lock to prevent accidental changes in pressure settings, ensuring reliable operation in various environments.
Pressure gauge
G1/4 prepared G1/8 prepared with pressure sensor with pressure gauge
Operating pressure
0.8bar 14bar
Pressure regulation range
0.3bar 12bar
Max. pressure hysteresis
3.625psi
Standard nominal flow rate
1000l/min 2200l/min
Certification
c UL us - Recognized (OL)
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
UKCA marking (see declaration of conformity)
acc. to UK EX instructions
Explosion protection certification outside the EU
EPL Db (GB) EPL Gb (GB)
Explosion prevention and protection
Zone 1 (ATEX) Zone 1 (UKEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 21 (UKEX) Zone 22 (ATEX)
ATEX category gas
II 2G
ATEX category for dust
II 2D
Type of ignition protection for gas
Ex h IIC T6 Gb X
Type of (ignition) protection for dust
Ex h IIIC T60°C Db X
Explosive ambient temperature
-10°C <= Ta <= +60°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4] Inert gas
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
LABS (PWIS) conformity
VDMA24364-B1/B2-L
Storage temperature
-10°C 60°C
For use in the food industry
See supplementary material information
Temperature of medium
-10°C 60°C
Ambient temperature
-10°C 60°C
Product weight
225g
Type of mounting
Optionally: Front panel mounting Line installation With accessories
