MicroAir Sales
MicroAir ultra-low air pressure regulators support stable internal air pressure during medical tubing and catheter extrusion, with manual, button-controlled, and PLC-compatible models available in multi-channel configurations.
Support consistent, inspection-ready medical tubing production with precision pressure control products, technical guidance, and repair support from On Line Controls, Inc. Built for catheter, medical tubing, and plastic extrusion manufacturers, MicroAir regulators help stabilize tubing dimensions, reduce process variation, and maintain dependable performance across demanding manufacturing environments where repeatability and documentation matter.
Precision control, evaluation, and support solutions for inspection-ready medical tubing extrusion performance.
MicroAir ultra-low air pressure regulators support stable internal air pressure during medical tubing and catheter extrusion, with manual, button-controlled, and PLC-compatible models available in multi-channel configurations.
Unlimited phone support helps manufacturing teams troubleshoot installation, operation, maintenance, and process-control concerns across MicroAir I, MicroAir II, MicroAir IV, and multi-channel regulator units.
MicroAir repair includes evaluation, testing, repair, and damping fluid replacement for serviceable units, helping production teams restore reliable pressure regulation and extend equipment lifespan.
Medical device manufacturers rely on consistent extrusion conditions to meet tight dimensional expectations. On Line Controls, Inc. supports inspection-ready production with MicroAir regulators engineered for ultra-low air pressure control, instant response, stable operation, and long service life. These solutions help maintain tubing outside diameter, reduce process drift, and support dependable manufacturing outcomes across catheter and medical tubing lines.
Decades of focused engineering support dependable extrusion performance.
Serving tubing manufacturers since 1980 with focused pressure-control and extrusion-line expertise.
MicroAir units are manufactured at the company’s Shrewsbury, Massachusetts facility.
Direct worldwide sales support manufacturers across 18 countries and demanding production environments.
MicroAir products include a three-year warranty on parts and labor.
Experienced leadership focused on precision manufacturing support.
President
Kay DeWolfe serves as both owner and President of On Line Controls, Inc., bringing over 35 years of invaluable experience to the industrial pressure control industry. Under her leadership, the company has maintained its position as the recognized industry leader in ultra-low air pressure regulators for plastic tubing extrusion. Kay's extensive background in precision manufacturing and customer support has been instrumental in expanding OLC's global reach to serve customers across 18 countries while maintaining the highest quality standards. Her commitment to engineering excellence and customer satisfaction continues to drive the company's innovation in pressure control technology, ensuring that OLC's MicroAir and motorized potentiometer products remain the industry standard for precision and reliability.
For OLC customers, this page focuses on inspection-ready process support rather than third-party quality inspection. MicroAir regulators help medical tubing and catheter manufacturers stabilize internal air pressure during extrusion, supporting consistent outside diameter control and repeatable production conditions that are essential before dimensional checks, documentation, and downstream quality review.
Talk with OLC about pressure control for your extrusion line.
Supports international shipping requirements.
Recognized for extrusion expertise.
Parts and labor coverage included.
Share your extrusion application, MicroAir model needs, or repair questions, and the OLC team will help identify the right next step.
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.