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Festo Compressed Air Filter Regulator - G1/2'' - 40µm

Festo Compressed Air Filter Regulator - G1/2'' - 40µm

This compressed air filter regulator combines pressure regulation and filtration in a compact 62 m...

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eBayFESTO 529190, MS6-LFR-1/2-D7-E-R-V-AS, Filter regulator
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Product Information

Full details

This guide is for industrial users and technicians who need precise control and purification of compressed air. The Festo MS6-LFR-1/2-D7-ERV-AS delivers a key benefit of combining filtration and pressure regulation in one compact unit, optimizing system efficiency and air quality. A potential caveat is the minimum operating pressure of 2 bar, which may not suit all low-pressure applications. It features a 40 µm filtration grade for effective particle and condensate removal, a 0.5-12 bar pressure regulation range, and a G1/2 pneumatic connection. Its design includes automatic drain functionality, a lockable rotary knob for pressure adjustment, and a compact 62 mm width.

All features

Model Part NumberMS6-LFR-1/2-D7-ERV-AS
BrandFesto

Extended Product Information

FAQs

What is the filtration grade of this unit?

The Festo MS6-LFR-1/2-D7-ERV-AS has a filtration grade of 40 µm, suitable for removing common industrial air contaminants and condensate.

What is the maximum air pressure this regulator can handle?

The regulator can handle a maximum regulated outlet pressure of 12 bar. The maximum inlet pressure should not exceed this significantly, and it operates within a specified range.

Does this unit require manual draining of condensate?

No, this model features an automatic drain mechanism that discharges collected condensate when specific conditions are met, reducing the need for manual intervention.

What is the purpose of the lockable rotary knob?

The lockable rotary knob allows for precise adjustment of the output pressure and can be locked in place to prevent accidental changes to the pressure setting.

What is the minimum operating pressure required for this unit?

The minimum operating pressure required for this unit is 2 bar.

What are the dimensions of this filter regulator?

This unit has a compact width of 62 mm, making it suitable for installations where space is limited.

Can this unit be used in high-temperature environments?

The maximum ambient operating temperature is +60°C. It is suitable for most standard industrial environments but may not be ideal for extremely high-temperature applications.

Troubleshooting

Unit not regulating pressure correctly

Verify the primary (inlet) pressure is above the set secondary (outlet) pressure and within the operational range. Ensure the lockable knob is not fully engaged, preventing adjustment. Check for leaks in the pneumatic lines connected to the unit.

Automatic drain not functioning

Check if the minimum operating pressure of 2 bar is met. Inspect the drain valve for blockages caused by debris or sediment. If persistent, manual draining may be necessary, and the unit may require servicing.

Air leaks detected from the unit

Inspect all connection points (inlet, outlet, gauge port) for proper sealing. Check the bowl seal for damage or misalignment. If leaks persist from the unit body, it may require replacement.

Reduced airflow or pressure drop

Ensure the primary pressure is adequate. Check for blockages in the air supply line or downstream equipment. The 40 µm filter may be partially clogged, requiring manual inspection or the unit may need servicing if performance does not recover.

Pros and Cons

Pros

  • Combines two essential functions (filtration and regulation) into one unit.
  • High flow rate suitable for many industrial applications.
  • Precise and stable pressure regulation.
  • Automatic condensate drainage reduces manual maintenance.
  • Compact 62 mm width saves valuable installation space.
  • Lockable adjustment knob prevents unintended pressure changes.

Cons

  • Requires a minimum operating pressure of 2 bar, limiting use in very low-pressure systems.
  • Filtration grade of 40 µm may be insufficient for ultra-fine particle removal needs.
  • Maximum ambient operating temperature of +60°C may be a limitation in extreme environments.

Setup, Compatibility & Care

Setup:

  1. Ensure the compressed air supply is turned off and depressurized.
  2. Connect the G1/2 pneumatic inlet to your compressed air source, observing arrow direction for flow.
  3. Connect your pneumatic line to the G1/2 outlet port.
  4. If using a pressure gauge, install it into the designated port (1/2 in).
  5. Slowly reintroduce compressed air and adjust the desired output pressure using the lockable rotary knob.

Compatibility:

  • Pneumatic Connection: G1/2
  • Maximum Operating Pressure: 12 bar
  • Minimum Operating Pressure: 2 bar
  • Filtration: 40 µm
  • Operating Temperature Range: +5°C to +60°C

Care:

  • Regularly inspect the polycarbonate bowl for damage or excessive condensate buildup. The automatic drain should handle routine discharge.
  • If manual draining is required due to a fault or for inspection, carefully depressurize the system before opening the drain valve.
  • Clean the exterior of the unit with a soft, damp cloth. Avoid using solvents or abrasive cleaners.
  • Periodically check the filter element (if accessible for maintenance) for clogging, though this unit typically operates without scheduled filter element replacement unless performance degrades significantly.

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