MicroAir Sales & Installation
Ultra-low air pressure regulators for plastic tubing extrusion with professional installation and setup services for optimal performance.
Experience precision pneumatic control solutions with our specialized MicroAir and Motorized Potentiometer systems. Our expert installation and technical support services ensure optimal performance for your industrial automation needs, backed by over 44 years of engineering excellence and comprehensive warranty coverage.

Comprehensive pneumatic control solutions from expert installation to ongoing technical support and repair services.
Ultra-low air pressure regulators for plastic tubing extrusion with professional installation and setup services for optimal performance.
DC and AC motorized potentiometers with precise control capabilities, available in multiple configurations with expert installation support.
Comprehensive troubleshooting, maintenance guidance, and unlimited phone support for all pneumatic control systems and equipment.
Our pneumatic control services deliver unmatched precision and reliability for your industrial automation needs. With ultra-low air pressure regulation capabilities and professional installation, we ensure your systems operate at peak efficiency. Our experienced technicians provide comprehensive setup, calibration, and ongoing support to maximize your equipment performance and minimize downtime.

Over 44 years of precision engineering excellence in pneumatic control solutions.
All products manufactured in Shrewsbury, Massachusetts with rigorous quality control standards.
Professional installation and setup services ensuring optimal system performance from day one.
Comprehensive warranty coverage on all parts and labor with unlimited technical support.
Worldwide shipping and support serving customers across 18 countries with local expertise.
Industry leaders with decades of pneumatic control experience.

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.
We install MicroAir ultra-low air pressure regulators, motorized potentiometers with DC and AC motors, and complete pneumatic control systems for industrial applications including plastic tubing extrusion and manufacturing automation.
Contact our technical team for professional installation planning and support.
International shipping standards certified
Industry excellence recognition
Proven industry leadership
Get professional installation services and technical support for your precision control 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.