
MicroAir IV
- Response time under 0.1 seconds
- 0-10V PLC input control
- Precision voice-coil motor











CE Compliant
Precision air pressure regulators engineered for profile extrusion processes, delivering ultra-low pressure control from 0-3 inches of water to 0-5 psi. These systems provide hysteresis-free regulation with response times under 0.1 seconds for medical tubing, catheter manufacturing, and multi-lumen extrusion applications. Available in single, dual, 3-channel, and 4-channel configurations with manual or PLC control options.
Talk to our experts for custom solutions and tailored guidance.
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What is the pressure profile of an extruder?
The pressure profile refers to the air pressure distribution used to internally support and control the diameter of extruded tubing. Our MicroAir regulators maintain precise pressure profiles from 0-3 inches of water to 0-5 psi with hysteresis-free control.
What is profile extrusion?
What response time do I need for bump and taper tubing?
How do I control multiple lumens in medical tubing?
Can these regulators be controlled by a PLC?
What maintenance do these pressure regulators require?
What pressure ranges are available for catheter manufacturing?
Talk to our experts for custom solutions and tailored guidance.

Precision air pressure control for medical tubing and catheter extrusion with FDA-compliant accuracy requirements and multi-lumen configurations

High-volume tubing production for automotive fluid systems requiring consistent diameter control and rapid changeover capabilities

Multi-channel air pressure regulation for complex profile extrusion including bump and taper applications with high-speed switching requirements

Ultra-precise pressure regulation below 1 inch of water for micro-tube and specialty tubing applications requiring exceptional dimensional accuracy
Talk to our experts for custom solutions and tailored guidance.



Industry-leading ultra-low air pressure regulators with proven reliability. Our systems deliver hysteresis-free control with response times under 0.1 seconds, trusted by manufacturers worldwide for over four decades.
MicroAir regulators engineered for 10-20+ year lifespans with minimal maintenance requirements. Made in the USA with precision components and backed by our comprehensive 3-year warranty on parts and labor.
Unlimited phone support and technical expertise for your unique extrusion challenges. From single-channel to 4-channel configurations, we provide tailored solutions with range change services and worldwide shipping.
Submit your requirements and our experienced team will provide a detailed quotation with technical recommendations tailored to your specific tubing or catheter manufacturing needs.
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