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

CE Compliant

Low Pressure Regulator 0–5 PSI for Industrial Extrusion

Explore our complete line of low pressure regulators (0-5 PSI) engineered specifically for industrial plastic extrusion applications. Our MicroAir series delivers ultra-precise pressure control for medical tubing, catheter manufacturing, and multi-lumen extrusion with response times under 0.1 seconds. Each regulator features hysteresis-free operation, stainless steel construction, and maintains accuracy of ±0.2% across varying flow rates. Available in single, dual, 3-channel, and 4-channel configurations with manual or PLC control options.

Our Range of Products

MicroAir IV

MicroAir IV

  • 0.1 second response for bump/taper
  • 0-10V PLC integration capability
  • Voice-coil motor (no spring)
MultiAir 4-channel MicroAir IV

MultiAir 4-channel MicroAir IV

  • 4 independent pressure channels
  • Individual range per channel
  • High-speed programmable switching
Dual Channel MicroAir IV

Dual Channel MicroAir IV

  • Dual channel multi-lumen control
  • Hysteresis-free regulation
  • Stainless steel enclosure
MultiAir 3-channel MicroAir IV

MultiAir 3-channel MicroAir IV

  • 3 channels for multi-lumen tubing
  • PLC controllable via 0-10V input
  • Sub-0.1 second response time
Single Channel MicroAir IV

Single Channel MicroAir IV

  • Dual/Linear/Manual operation modes
  • Instantaneous flow compensation
  • Made in USA construction
MultiAir 3-channel MicroAir II

MultiAir 3-channel MicroAir II

  • Contact closure input compatible
  • Dual-speed manual buttons
  • Independent channel ranges

Showing 1 to 6 of 11 results

Frequently Asked Questions

What pressure ranges are available for these low pressure regulators?

Our regulators offer various ranges from 0-3 inches of water up to 0-5 PSI, with options for intermediate ranges like 0-10, 0-15, and 0-30 inches of water.

How fast do the MicroAir IV regulators respond to pressure changes?

Can these regulators be controlled by a PLC or automation system?

What is the accuracy specification of these pressure regulators?

Are multi-channel configurations available for multi-lumen tubing?

What is the typical lifespan of these pressure regulators?

Do these regulators require calibration or regular maintenance?

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 air sizing control for medical tubing and catheter extrusion ensuring dimensional accuracy.

Automotive Manufacturing

Automotive Manufacturing

Precision pressure control for automotive tubing production requiring consistent wall thickness and quality.

Plastic Extrusion

Plastic Extrusion

Ultra-low pressure regulation for multi-lumen tubing and complex profile extrusion applications.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Dual Channel MicroAir II

1/4 NPT Low Pressure Gauge Regulator 0-5 PSI

Precision-engineered 1/4 NPT low pressure gauge regulators designed for ultra-low air pressure control in plastic tubing extrusion. These regulators maintain constant pressure from 0-5 PSI with hysteresis-free operation, featuring manual and automated control options for medical, automotive, and industrial tubing applications with exceptional accuracy and reliability.
Learn More
Dual Channel MicroAir I

0-5 PSI Pressure Regulator for Air and Water

Precision 0-5 PSI pressure regulators engineered for ultra-low air pressure applications in plastic tubing extrusion. These manual control regulators deliver hysteresis-free regulation with stable operation, maintaining constant pressure across varying flow rates. Built with stainless steel construction and Made in USA quality for reliable performance in medical, automotive, and industrial tubing manufacturing processes.
Learn More
MultiAir 3-channel MicroAir IV

Low Pressure Air Regulators for Industrial Use

Professional low pressure air regulators engineered for precise control in industrial plastic tubing extrusion. Our MicroAir series delivers ultra-low pressure regulation from 0-3 inches of water to 0-5 psi with exceptional accuracy and stability for medical, automotive, and multi-lumen tubing applications.
Learn More

Why Plastic Tubing Manufacturers Choose On Line Controls, Inc.

Four Decades of Precision Engineering

Since 1980, we've been the recognized industry leader in ultra-low pressure regulation, with products proven to last 10-25 years in continuous operation across global manufacturing facilities.

Zero-Calibration Accuracy Guarantee

Our voice-coil linear motor technology with viscostatic damping delivers ±0.2% accuracy without requiring calibration, ensuring consistent quality across millions of production cycles.

Comprehensive Lifetime Support

Every regulator includes a 3-year parts and labor warranty with unlimited phone support from our Massachusetts-based technical team, plus free range changes within 30 days of purchase.

Request a Quote for Your Extrusion Application Today

Our technical specialists will respond within 24 hours to discuss your pressure control requirements and recommend the optimal MicroAir configuration.

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