CE Compliance certified

CE Compliance

Made in USA certified

Made in USA

OEM Pressure Regulator Supply for Tubing Manufacturers

On Line Controls, Inc. offers a complete line of MicroAir ultra-low air pressure regulators engineered for OEM tubing manufacturers. Spanning single, dual, 3-channel, and 4-channel configurations, these precision instruments control internal air pressure during plastic tubing extrusion with hysteresis-free operation, high-speed response, and CE-compliant design for global deployment.

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

  • Ultra low range: 0-3" water to 0-5 psi
  • 0.1" water resolution digital display
  • Contact closure & manual dual control
Single Channel MicroAir IV

Single Channel MicroAir IV

  • < 0.1 sec high-speed PLC/0-10V response
  • Dual State, Linear & Manual control modes
  • +/- 0.1% accuracy below 60" water range
Dual Channel MicroAir II

Dual Channel MicroAir II

  • Dual channel contact closure & manual control
  • Hysteresis-free O.D. diameter regulation
  • Pressure ranges: 0-3" water up to 0-5 psi
Dual Channel MicroAir I

Dual Channel MicroAir I

  • Dual channel manual 30-turn knob control
  • Stable pressure across varying flow rates
  • Stainless steel enclosure, CE compliant
Dual Channel MicroAir IV

Dual Channel MicroAir IV

  • Dual channel high-speed bump/taper control
  • < 0.1 sec response via 0-10V/PLC input
  • Voice-coil motor with viscostatic damping
Single Channel MicroAir I

Single Channel MicroAir I

  • Regulates below 1" water with precision
  • 30-turn knob for fine manual adjustment
  • 10-20 year long service life expectancy

Showing 1 to 6 of 10 results

Frequently Asked Questions

What pressure ranges are available for the MicroAir regulators?

MicroAir regulators are available in multiple ultra-low pressure ranges starting from 0–2" of water up to 0–5 psi. The MicroAir I line also offers extended ranges including 0–5", 0–10", 0–15", and 0–30" of water. Each unit can be specified to match the exact requirements of your tubing extrusion process, and range change services are available.

What is the response time of OLC's pressure regulators?

Can the pressure regulators be integrated with a PLC or external controller?

What tubing applications are OLC pressure regulators designed for?

How many channels do I need for my extrusion process?

What warranty and support do OLC products include?

Are OLC pressure regulators CE compliant for international use?

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 medical tubing extrusion lines requiring tight dimensional tolerances.

Automotive Components

Automotive Components

Reliable pressure regulation for automotive tubing extrusion, ensuring consistent OD control across high-volume production runs.

Plastic Profile Extrusion

Plastic Profile Extrusion

Stable, hysteresis-free air pressure supply for plastic profile and straw extrusion with consistent dimensional output.

OEM Extrusion Equipment Builders

OEM Extrusion Equipment Builders

Integrated OEM supply of MicroAir regulators for extruder builders requiring certified, USA-made pressure control components.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Why Tubing Manufacturers Choose On Line Controls, Inc.

44+ Years of Extrusion Expertise

Founded in 1980 and laser-focused on plastic tubing extrusion, OLC is the recognized industry standard for ultra-low air pressure regulation worldwide.

Precision Built for Long-Term ROI

MicroAir regulators deliver hysteresis-free control with a proven 10–20 year lifespan, backed by a 3-year warranty and unlimited phone support.

Global Supply, USA Manufacturing

All units are manufactured in Shrewsbury, MA and shipped worldwide via UPS, DHL, or FedEx to customers across 18 countries with CE compliance.

Request a Quote for Your Tubing Extrusion Line

Submit your application details and an OLC engineer will respond with product recommendations and pricing within one business day.

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.