A very compact and lightweight pressure regulator Festo series MS4-LR-1/4-D6-AG-BAR-B, ideally suited for use near the process. It ensures stable pressure control, maintaining constant pressure regardless of network fluctuations and changes in air consumption. The adjustment handle locks to prevent accidental rotation and undesired changes in settings. Additionally, the device is equipped with integrated features such as secondary exhaust and primary exhaust with reverse flow function, enhancing its efficiency and versatility.
Main features of the Festo pressure regulator MS4-LR-1/4-D6-AG-BAR-B
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Thread Size: G1/4
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Standard nominal flow rate: 1800 l/min
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Operating pressure: from 0.3 bar to 7 bar
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Temperature range: from -5 °C to 50 °C
The manometer offers scale changeability with available measurement units: [MPa], [bar], and [psi], ensuring ease of use and accurate readings. Installation can be performed in any position, allowing convenient integration of the regulator into any pneumatic system.
Materials of the Festo pressure regulator MS4-LR-1/4-D6-AG-BAR-B
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Body: Made from PA-reinforced material (polyamide), ensuring high durability and longevity.
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Seals: Made from NBR (butadiene-nitrile rubber) for reliable sealing.
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Rotary handle: Made of POM (engineering plastic), ensuring ease and convenience in operation.
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Springs: Made from high-alloy and galvanized steel for enhanced corrosion protection.
Festo MS4-LR-1/4-D6-AG-BAR-B is a pressure regulator with a manometer which will become an indispensable element of your pneumatic system, ensuring accuracy, reliability, and long service life.
Standards compliance of MS4-LR-1/4-D6-AG-BAR-B
- Complies with RoHS requirements and corrosion resistance class CRC 1 (low corrosion resistance)
- Suitable for use in clean rooms class 7 according to ISO 14644-1
Technical Specifications Festo MS4-LR-1/4-D6-AG-BAR-B
| Size |
4 |
| Product range |
PC |
| Anti-tampering device |
Lockable rotary handle |
| Mounting position |
Any |
| Design |
Pressure regulator with manometer, Piston regulator with direct operation |
| Regulator function |
Constant outlet pressure, With secondary exhaust, With reverse flow function |
| Displayed unit(s) |
bar |
| Manometer |
With manometer |
| Operating pressure |
0.1 MPa ... 1 MPa / 1 bar ... 10 bar |
| Pressure regulation range |
0.3 bar ... 7 bar |
| Maximum pressure hysteresis |
0.05 MPa / 0.5 bar / 7.25 psi |
| Standard nominal flow rate (calibrated according to DIN 1343) |
1800 l/min |
| Operating medium |
Compressed air as per ISO 8573-1:2010 [7:4:4], Inert gases |
| Note on lubrication |
Operation with oil also possible (after initial operation, subsequent oil supply is a must) |
| Corrosion resistance class (CRC) |
1 - low corrosion resistance |
| Conformity for LABS |
VDMA24364-B1/B2-L |
| Clean room class |
Class 7 as per ISO 14644-1 |
| Storage temperature |
-5 °C ... 50 °C |
| Medium temperature |
-5 °C ... 50 °C |
| Ambient temperature |
-5 °C ... 50 °C |
| Product weight |
165 g |
| Type of mounting |
Optional: Front panel mounting, In-line mounting, Using accessories |
| Pneumatic connection 1 |
G1/4 |
| Pneumatic connection 2 |
G1/4 |
| Material data |
According to RoHS |
| Material of lower cover |
PA |
| Material of seals |
NBR |
| Material of rotary handle |
POM |
| Material of springs |
High-alloy steel, Galvanized steel |
| Material of housing |
PA-reinforced |
| Material of valve stem |
POM |
In Stock
