
Single Channel MicroAir IV
- 3 modes: Dual State, Linear & Manual
- Sub-0.1s response, typically 20 msec
- +/-0.1% accuracy below 60" of water
CE Compliant
Made in the USA
The MicroAir IV is an ultra-low air pressure regulator series by On Line Controls, Inc., featuring 0-10V analog input for PLC integration. Available in single, dual, 3-channel, and 4-channel configurations, these high-speed regulators serve medical tubing, catheter, multi-lumen, automotive, and plastic profile extrusion applications with sub-0.1-second response times.




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The MicroAir IV is available in pressure ranges from 0–3 inches of water up to 0–5 psi. Multiple range options are offered to suit ultra-low and low-pressure tubing extrusion applications. Each channel on multi-channel units can be configured with a different range to match the specific lumen requirements of complex tubing profiles.
Talk to our experts for custom solutions and tailored guidance.

Precise ultra-low pressure control for medical tubing, catheter, and multi-lumen extrusion lines requiring sterile-grade accuracy.

High-speed PLC-integrated pressure regulation for bump, taper, and multi-lumen automotive tubing extrusion processes.

Stable, hysteresis-free air pressure control for plastic profile and straw extrusion maintaining consistent dimensional tolerances.

Integrated 0-10V PLC-compatible regulators for OEM extrusion equipment builders requiring reliable, long-life pressure control modules.
Talk to our experts for custom solutions and tailored guidance.
Since 1980, OLC has been the recognized industry leader in ultra-low air pressure regulators for plastic tubing extrusion worldwide.
Precision voice-coil linear motors with viscostatic damping deliver typically 20 msec response — critical for bump and taper tubing applications.
Every MicroAir IV ships with a full 3-year warranty on parts and labor, plus unlimited phone support from OLC's experienced engineering team.
Submit your application details and our engineers will respond with pricing, configuration guidance, and technical specifications tailored to your extrusion line.
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.