Products
Our family of brands includes the accurate, repeatable, customizable proportional electro-pneumatic pressure and flow control options of our flagship brand, Proportion-Air; industrial process control valves with large CVs, easy in-line maintenance and fast delivery of Burling Valve; and affordable, preset, tamper-proof miniature regulators from Protect-Air USA.
These lines offer products that are excellent alone or can work together to meet your toughest needs.

Pressure Regulators
Electronic, mechanical and miniature options from 0-2″ H2O to 5000 psi+Learn More
Mass Flow Control Valves
Closed-loop electronic mass flow controllers for flow rates from 2 SCFH to 250 SCFMLearn More