The Festo MS4-LFR-1/8-D7-ERV-AS filter regulator offers reliable air filtration with a 40 µm filtration grade, ensuring clean and efficient compressed air for your industrial needs.
Product Modelms4-lfr-1/8-d7-erv-as
Material Number529174
Product ID9625
Stock on Request
Last updated: 8/29/2026
Key Features
1
High Filtration GradeThe MS4-LFR-1/8-D7-ERV-AS features a 40 µm filtration grade, providing excellent air quality and extending the lifespan of your pneumatic systems.
2
Versatile Mounting OptionsThis filter regulator can be mounted vertically with a ±5° angle adjustment, offering flexibility in installation and integration with various system configurations.
3
Easy OperationThe rotary knob with detent ensures easy operation and secure closure, making it simple to use and maintain. Accessories can be used to further enhance the locking mechanism.
4
Reliability and DurabilityDesigned to meet the highest standards of reliability, this product is built to last and perform consistently under various operating conditions. The reliability data sheet ensures compliance with all specifications.
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
40μm
Condensate drain
Fully automatic Manual, non-detenting
5
Comprehensive SupportFesto offers comprehensive technical support and after-sales service, providing peace of mind and ensuring that your system operates at its best. With over ten years of experience in the industry, Festo is a trusted provider in industrial automation.
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
00991587
Pressure gauge
with pressure gauge
Operating pressure
2bar 12bar
Pressure regulation range
0.5bar 12bar
Max. pressure hysteresis
0.25bar
Standard nominal flow rate
900l/min
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:-] 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 [7:4:4]
Temperature of medium
-10°C 60°C
Ambient temperature
-10°C 60°C
Pore size
40μm
Product weight
275g
Type of mounting
Optionally: Front panel mounting Line installation With accessories
Pneumatic connection 1
G1/8
Pneumatic connection 2
G1/8
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
529174
Festo MS4-LFR-1/8-D7-ERV-AS Filter Regulator - High-Quality Air Filtration | INDSLT