CE Compliant certified

CE Compliant

1/4 NPT Pressure Regulator for Air and Water

Precision 1/4 NPT pressure regulators designed for ultra-low air and water pressure control in industrial applications. Our MicroAir series delivers hysteresis-free regulation from 0-3 inches of water to 0-5 psi with exceptional accuracy and stability for plastic tubing extrusion processes.

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 inputs
  • Dual speed up/down buttons
  • Digital display resolution
Single Channel MicroAir IV

Single Channel MicroAir IV

  • Three operational modes
  • 0-10V input capability
  • Instantaneous response
Dual Channel MicroAir II

Dual Channel MicroAir II

  • Dual channel design
  • Contact closure control
  • Manual override buttons
Dual Channel MicroAir I

Dual Channel MicroAir I

  • 30-turn precision adjustment knob
  • Hysteresis-free regulation
  • Stainless steel enclosure
Dual Channel MicroAir IV

Dual Channel MicroAir IV

  • High speed <0.1 second response
  • 0-10V PLC input control
  • Voice-coil linear motor
Single Channel MicroAir I

Single Channel MicroAir I

  • Below 1" water precision
  • 4½" Magnehelic display
  • 10-20 year lifespan

Showing 1 to 6 of 10 results

Frequently Asked Questions

What pressure ranges are available for 1/4 NPT regulators?

Our regulators offer ranges from 0-3 inches of water up to 0-5 psi, with ultra-precise control capabilities.

What is the typical response time for these pressure regulators?

Can these regulators be used with PLC control systems?

What warranty coverage is provided with these regulators?

Are multi-channel configurations available?

What mounting requirements do these regulators have?

Can these regulators maintain accuracy at varying flow rates?

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 pressure control for medical tubing extrusion and catheter manufacturing applications.

Automotive Manufacturing

Automotive Manufacturing

Reliable pressure regulation for automotive tubing production and plastic profile extrusion.

Plastic Extrusion

Plastic Extrusion

Ultra-low pressure control for plastic profile extrusion and multi-lumen tubing applications.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Why Medical & Automotive Manufacturers Choose On Line Controls, Inc.

44+ Years Manufacturing Excellence

Industry-leading expertise in ultra-low pressure regulation since 1980 with proven track record serving global manufacturers.

Precision Engineering & Quality

Hysteresis-free regulation with accuracy better than 0.1% and products designed for 10-20+ year operational lifespan.

Comprehensive Support & Service

3-year warranty, unlimited phone support, worldwide shipping, and technical expertise from experienced manufacturing professionals.

Get Expert Guidance on Your Pressure Regulation Needs

Connect with our technical team for personalized product recommendations and competitive pricing on our MicroAir regulators.

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.