Precise air pressure control with the Festo MS4-LR-1/4-D6, featuring a directly actuated diaphragm and secondary venting for reliable operation.
Product Modelms4-lr-1/4-d6
Material Number611578
Product ID15246
Stock on Request
Last updated: 8/29/2026
Key Features
1
Precise Pressure RegulationThe MS4-LR-1/4-D6 pressure regulator maintains a constant output pressure, ensuring consistent performance in your industrial applications.
2
Directly Actuated DiaphragmThis design provides fast and accurate pressure regulation, making it ideal for applications requiring quick response times.
3
Secondary VentingThe regulator includes secondary venting, which helps to reduce pressure fluctuations and maintain a stable operating environment.
4
Return Flow FunctionThe return flow function ensures that the system remains balanced, preventing pressure buildup and extending the lifespan of the regulator.
5
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
Mounting position
Any
Structural design
Directly controlled diaphragm regulator
Controller function
Outlet pressure constant With secondary exhausting With return flow function
Versatile Mounting OptionsThe MS4-LR-1/4-D6 can be mounted either front panel or in-line, offering flexibility in system design and installation.
Symbol
00991558
Pressure gauge
with pressure gauge
Operating pressure
0.8bar 14bar
Pressure regulation range
0.3bar 7bar
Max. pressure hysteresis
3.625psi
Standard nominal flow rate
1800l/min
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
Pneumatic connection 1
G1/4
Pneumatic connection 2
G1/4
Note on materials
RoHS-compliant
Material of sub-base
Die-cast aluminum
Material of operator panel
PA POM
Seals material
NBR
Housing material
Die-cast aluminum
Diaphragm material
NBR
Manufacturer ID
611578
Festo MS4-LR-1/4-D6 Pressure Regulator | Reliable Air Pressure Control | INDSLT