Product Model
ms4-lrb

Selling Points
- 1The Festo MS4-LRB pressure regulator offers precise air pressure control with a rotary knob featuring a detent for secure locking, ensuring consistent output pressure.
- 2This high-performance regulator is designed for manifold assemblies and industrial applications, providing a pressure regulation range of 0.3 to 12 bar.
- 3Equipped with secondary venting and a return flow function, the MS4-LRB ensures efficient operation and minimizes pressure drops.
- 4The regulator is available with either an analog or digital pressure gauge, offering flexibility in monitoring and control.
- 5Compliant with international standards such as ISO 8573-1:2010 and CE marking, the MS4-LRB ensures reliability and safety in various environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
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 |
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 | 0.25bar |
Standard nominal flow rate | 300l/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 | 222g |
Type of mounting | Optionally: Front panel mounting Line installation With accessories | 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 | 527692 |
Specifications may be subject to change without notice