High-flow filter regulator with 40 μm filtration, lockable rotary knob, and manual condensate drain. Suitable for industrial compressed air applications.
Product Modelms4n-lfr-1/8-d7-crm-as
Material Number531214
Product ID9826
Stock on Request
Last updated: 8/29/2026
Key Features
1
High Flow Rates and Low HysteresisThe Festo MS4N-LFR-1/8-D7-CRM-AS filter regulator is designed to provide high flow rates while maintaining good control characteristics with low hysteresis, ensuring consistent performance in industrial applications.
2
Primary Pressure CompensationEquipped with a directly actuated diaphragm regulator, this product offers primary pressure compensation, ensuring that the output pressure remains stable and consistent.
3
40 μm Filtration GradeThe MS4N-LFR-1/8-D7-CRM-AS features a 40 μm filtration grade, providing effective removal of contaminants and ensuring clean compressed air for your equipment.
4
Lockable Rotary KnobThe lockable rotary knob provides secure adjustment and setting of the regulator, preventing accidental changes in pressure settings. This feature is particularly useful in applications where precise control is critical.
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 can be closed with accessories
Mounting position
Vertical +/- 5°
Grade of filtration
5μm
Condensate drain
Manually rotating
5
Manual Condensate DrainThe manual condensate drain allows for easy removal of condensate, ensuring that the filter remains free from moisture and maintains its efficiency. This feature is essential for prolonging the lifespan of the filter regulator.
Structural design
Filter regulator with pressure gauge
Max. condensate volume
19ml
Controller function
Outlet pressure constant With secondary exhausting With return flow function
Bowl guard
Plastic bowl guard
Degree of condensate separation
75%
Symbol
00991589
Pressure gauge
with pressure gauge
Operating pressure
0.8bar 14bar
Pressure regulation range
0.5bar 12bar
Max. pressure hysteresis
0.25bar
Standard nominal flow rate
850l/min
Operating medium
Compressed air as per ISO 8573-1:2010 [-:4:-] Inert gas
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
Air quality class at the output
Compressed air as per ISO 8573-1:2010 [6:4:4]
Temperature of medium
-10°C 60°C
Ambient temperature
-10°C 60°C
Pore size
5μm
Product weight
275g
Type of mounting
Optionally: Front panel mounting Line installation With accessories
Pneumatic connection 1
1/8 NPT
Pneumatic connection 2
1/8 NPT
Note on materials
RoHS-compliant
Material of sub-base
Die-cast aluminum
Material of operator panel
PA POM
Seals material
NBR
Compressed air filter material
PE
Housing material
Die-cast aluminum
Diaphragm material
NBR
Material of bowl
PC
Separating disc material
POM
Manufacturer ID
531214
Festo MS4N-LFR-1/8-D7-CRM-AS Filter Regulator - High-Quality Air Filtration | INDSLT
