CE Compliant certified

CE Compliant

Made in the USA certified

Made in the USA

Medical Device Manufacturer Pressure Regulator Supply

On Line Controls, Inc. supplies precision ultra-low air pressure regulators engineered for medical device and plastic tubing manufacturers. The MicroAir product line offers single, dual, three, and four-channel configurations with manual or PLC-compatible 0-10V control, hysteresis-free operation, and response times under 0.1 second for catheter, multi-lumen, and bump-taper tubing applications.

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

Our Range of Products

Single Channel MicroAir II

Single Channel MicroAir II

  • Contact closure input from OD gauge/controllers
  • Hysteresis-free, viscostatic-damped operation
  • Better than 0.1" water resolution w/ display
Single Channel MicroAir IV

Single Channel MicroAir IV

  • 3 modes: Dual State, Linear & Manual
  • ±0.1% full-scale accuracy below 60" water
  • Sub-0.1 sec response via voice-coil motor
Dual Channel MicroAir II

Dual Channel MicroAir II

  • Dual-channel contact closure + manual control
  • Hysteresis-free action with viscostatic damping
  • Pressure ranges from 0-3" water to 0-5 psi
Dual Channel MicroAir I

Dual Channel MicroAir I

  • Dual-channel 30-turn knob manual precision control
  • Constant pressure across widely varying flow rates
  • Stainless steel build, 0-3" water to 0-5 psi
Dual Channel MicroAir IV

Dual Channel MicroAir IV

  • Dual-channel PLC-ready 0-10V control
  • Hysteresis-free, <0.1 sec response time
  • Stainless steel enclosure, 110/220 VAC
Single Channel MicroAir I

Single Channel MicroAir I

  • Regulates below 1" water with high precision
  • 10-20 year long life expectancy by design
  • Hysteresis-free, constant pressure at all flows

Showing 1 to 6 of 10 results

Frequently Asked Questions

What pressure ranges are available for MicroAir regulators used in medical tubing extrusion?

MicroAir regulators are available in multiple ultra-low pressure ranges starting from 0-2 inches of water up to 0-5 psi. Specific ranges include 0-3", 0-5", 0-10", 0-15", and 0-30" of water, and 0-3 and 0-5 psi, depending on the model selected. Range change services are also available for existing units.

Can MicroAir pressure regulators interface with a PLC or automation system?

What is the response time of the high-speed MicroAir IV regulators?

How many channels do I need for multi-lumen catheter tubing production?

Are MicroAir pressure regulators certified for international shipping to medical device facilities?

What is the expected service life of a MicroAir pressure regulator?

What warranty and support does On Line Controls provide with each unit?

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

Precise ultra-low air pressure control for catheter and multi-lumen tubing extrusion in medical device production lines.

Automotive Tubing Production

Automotive Tubing Production

Stable air pressure regulation for bump and taper tubing extrusion used in automotive fluid and air system components.

Plastic Profile Extrusion

Plastic Profile Extrusion

Hysteresis-free air regulation maintains consistent wall thickness and outside diameter in plastic profile extrusion applications.

OEM Extruder Manufacturers

OEM Extruder Manufacturers

Integrated air pressure control modules for OEM extrusion equipment builders requiring reliable, PLC-compatible pressure regulation.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Why Medical Tubing Manufacturers Choose On Line Controls, Inc.

44+ Years of Industry Leadership

Founded in 1980, OLC is the recognized industry leader in ultra-low air pressure regulators, trusted by medical and automotive tubing manufacturers across 18 countries.

Hysteresis-Free Precision Control

Precision voice-coil linear motors with viscostatic damping deliver stable, accurate pressure regulation down to below 1 inch of water with no calibration required.

3-Year Warranty & Unlimited Support

Every MicroAir unit ships with a three-year warranty on parts and labor plus unlimited phone support, ensuring your extrusion line stays running without downtime.

Request a Quote for Your Extrusion Application

Submit your application details and our team will respond with product recommendations, pricing, and technical guidance tailored to your tubing process.

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.