MicroAir 3-Channel Pressure Regulator

OLC's MicroAir regulators use a precision voice-coil linear motor with viscostatic damping fluid rather than a traditional pilot-operated design. This approach eliminates hysteresis and delivers instant, stable response — typically under 0.1 seconds for 50% of full scale — ensuring consistent internal air pressure in tubing extrusion even during flow rate variations, cuts, or spooling operations.

MicroAir 3-channel regulators are available in multiple pressure ranges: 0–3 inches of water, 0–5 inches of water, 0–10 inches of water, 0–15 inches of water, 0–30 inches of water, 0–3 psi, and 0–5 psi. Each channel can be configured with a different range, making them ideal for multi-lumen tubing with varying diameter requirements.

OLC offers three control configurations: the MicroAir I uses a manual 30-turn precision knob; the MicroAir II accepts contact closure inputs (Air Up/Air Down) from diameter gauges or external controllers plus manual controls; and the MicroAir IV accepts 0–10V analog or PLC input for full automated closed-loop control of extrusion lines.

Yes. In the MicroAir II and MicroAir IV models, each of the three channels can be configured with its own independent pressure range and optional digital display. This flexibility is particularly valuable for multi-lumen catheter tubing production where individual lumens require distinct internal air pressures simultaneously.

MicroAir 3-channel regulators serve medical device manufacturers producing catheters and multi-lumen tubing, automotive tubing extruders, and general plastic profile extrusion operations. They are trusted by OEM extruder manufacturers including Davis-Standard, Graham/AK Brand, Conair, and others requiring precise, repeatable internal air pressure control.

All MicroAir 3-channel regulators come with a full three-year warranty covering parts and labor, plus unlimited phone support for the life of the product. Units ship worldwide via UPS, DHL, or FedEx. OLC also offers a range-change service, allowing customers to modify pressure range configurations as application needs evolve.