MicroAir IV
MultiAir 3-channel MicroAir IV
MultiAir 4-channel MicroAir IV
MultiAir 3-channel MicroAir II
Single Channel MicroAir IV
Dual Channel MicroAir IV
Single Channel MicroAir I
MultiAir 3-channel MicroAir I
Single Channel MicroAir II
Dual Channel MicroAir II
Dual Channel MicroAir I
CE Compliant certified

CE Compliant

Profile Extrusion Air Pressure Control — Precision Regulators

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.

Our Range of Products

MicroAir IV

MicroAir IV

  • Response time under 0.1 seconds
  • 0-10V PLC input control
  • Precision voice-coil motor
MultiAir 3-channel MicroAir IV

MultiAir 3-channel MicroAir IV

  • 3-channel stainless enclosure
  • Ultra-low pressure regulation
  • 0-10V input for PLC control
MultiAir 4-channel MicroAir IV

MultiAir 4-channel MicroAir IV

  • 4-channel independent control
  • Multi-lumen tubing capability
  • High-speed programmable switching
MultiAir 3-channel MicroAir II

MultiAir 3-channel MicroAir II

  • 3-channel configuration
  • Contact closure input control
  • Dual-speed manual buttons
Single Channel MicroAir IV

Single Channel MicroAir IV

  • Three operational modes
  • 20 msec response time
  • Voice-coil linear motor
Dual Channel MicroAir IV

Dual Channel MicroAir IV

  • Dual channel design
  • Hysteresis-free operation
  • High-speed switching capability

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Frequently Asked Questions

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?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Medical Device Manufacturing

Medical Device Manufacturing

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

Automotive Components

Automotive Components

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

Industrial Plastics Extrusion

Industrial Plastics Extrusion

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

Micro-Tube Manufacturing

Micro-Tube Manufacturing

Ultra-precise pressure regulation below 1 inch of water for micro-tube and specialty tubing applications requiring exceptional dimensional accuracy

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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MultiAir 3-channel MicroAir IV

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MultiAir 4-channel MicroAir IV

Ultra-Low Air Pressure Regulator for Plastic Tubing Extrusion

Ultra-low air pressure regulators engineered for precise internal air support during plastic tubing extrusion. Our MicroAir systems deliver exceptional control down to below 1 inch of water, ensuring consistent tubing diameter and structural integrity across medical, automotive, and industrial applications. Available in single, dual, 3-channel, and 4-channel configurations with manual or automated control options.
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MultiAir 4-channel MicroAir IV

Catheter Tubing Extrusion Pressure Control System

Catheter Tubing Extrusion Pressure Control Systems provide ultra-low air pressure regulation for medical tubing manufacturing. Our MicroAir controllers offer precision pressure control from below 1 inch of water to 5 psi, ensuring consistent catheter tube dimensions. Available in single, dual, 3-channel, and 4-channel configurations with manual, contact closure, or 0-10V control options for multi-lumen catheter production.
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Why Medical & Industrial Tubing Manufacturers Choose On Line Controls, Inc.

44+ Years of Precision Engineering

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.

Built to Last Decades, Not Years

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.

Expert Support & Custom Solutions

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.

Get Expert Guidance for Your Profile Extrusion Application

Submit your requirements and our experienced team will provide a detailed quotation with technical recommendations tailored to your specific tubing or catheter manufacturing needs.

Contact Us Today

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