
MicroAir IV
- 0.1 second response for bump/taper
- 0-10V PLC integration capability
- Voice-coil motor (no spring)
CE Compliant
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.











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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.
Talk to our experts for custom solutions and tailored guidance.

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

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

Ultra-low pressure regulation for multi-lumen tubing and complex profile extrusion applications.
Talk to our experts for custom solutions and tailored guidance.
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.
Our voice-coil linear motor technology with viscostatic damping delivers ±0.2% accuracy without requiring calibration, ensuring consistent quality across millions of production cycles.
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.
Our technical specialists will respond within 24 hours to discuss your pressure control requirements and recommend the optimal MicroAir configuration.
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
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