Single Channel MicroAir II
- Contact closure input from O.D. gauge supported
- Dual-speed up/down buttons for manual control
- Better than 0.1" water resolution with display
CE Compliant
Made in the U.S.A.
On Line Controls, Inc. offers a comprehensive range of ultra-low air pressure regulators — the MicroAir series — engineered specifically for OEM tubing manufacturers. Spanning single, dual, three, and four-channel configurations with manual, contact closure, and 0-10V PLC control options, these precision instruments ensure stable, hysteresis-free diameter control across medical, catheter, automotive, and multi-lumen tubing extrusion lines.
Talk to our product experts for custom solutions.
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MicroAir regulators cover ultra-low to low pressure ranges, from as little as 0–2 inches of water up to 0–5 psi. Multiple range options are available per model, and a range change service is offered — free within 30 days of purchase — so your unit can be reconfigured as your process requirements evolve.
Talk to our experts for custom solutions and tailored guidance.
Precise ultra-low pressure regulation ensures consistent lumen diameter and wall thickness in catheter and medical tube extrusion.
Stable pressure control during high-throughput automotive tubing extrusion maintains OD tolerances across variable line speeds.
Multi-channel MicroAir units deliver independent pressure control per lumen for complex multi-lumen tubing profiles.
Manual and automated MicroAir models control internal air pressure to maintain dimensional accuracy in extruded plastic profiles.
Talk to our experts for custom solutions and tailored guidance.
Since 1980, OLC has engineered ultra-low pressure regulators exclusively for plastic tubing extrusion, making MicroAir the recognized industry standard worldwide.
All MicroAir regulators deliver stable, hysteresis-free regulation down to below 1 inch of water, maintaining consistent tubing OD across varying flow rates without recalibration.
Every unit ships with a full 3-year warranty on parts and labor plus unlimited phone support, backed by a product lifespan of 10–25 years in service.
Submit your application details and our engineering team will respond promptly with product recommendations and pricing tailored to your tubing process.
For immediate assistance, feel free to give us a direct call at 978-562-5353. You can also send us a quick email at olc@onlinecontrols.com.
For immediate assistance, feel free to give us a direct call at 978-562-5353. You can also send us a quick email at olc@onlinecontrols.com.