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

Our Range of Products

Dual Channel MicroAir IV

Dual Channel MicroAir IV

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

Dual Channel MicroAir I

  • 30-turn precision adjustment knob
  • Hysteresis-free regulation
  • Stainless steel enclosure
Single Channel MicroAir I

Single Channel MicroAir I

  • Below 1" water precision
  • 4½" Magnehelic display
  • 10-20 year lifespan
MultiAir 4-channel MicroAir IV

MultiAir 4-channel MicroAir IV

  • 4-channel control system
  • Independent range settings
  • Digital LED display option
Single Channel MicroAir II

Single Channel MicroAir II

  • Contact closure inputs
  • Dual speed up/down buttons
  • Digital display resolution
MultiAir 3-channel MicroAir II

MultiAir 3-channel MicroAir II

  • 3-channel configuration
  • Diameter gauge inputs
  • Independent channel control

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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.

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MultiAir 4-channel MicroAir IV

1/4 NPT Air Pressure Regulator and Water Separator

Ultra-low air pressure regulators engineered for plastic tubing extrusion with 1/4 NPT connections and integrated water separation. These precision control systems regulate internal air pressure during free extrusion of medical, catheter, and automotive tubing with hysteresis-free operation and response times under 0.1 seconds.
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Dual Channel MicroAir I

1/4 Inch Pressure Regulators for Water Systems

High-precision 1/4 inch pressure regulators engineered for water systems and ultra-low pressure applications. These manual control regulators deliver hysteresis-free operation with precise pressure regulation from 0-3 inches of water up to 0-5 psi, ideal for medical tubing extrusion, catheter manufacturing, and automotive applications.
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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.
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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