Proportion-Air

Proportional Electro-Pneumatic Pressure & Flow Control Devices

Burling Valve

Industrial Process Regulators

Protect Air

Miniature Regulators for Compressed Air Tools & Systems

As low as 0-2 inches of water column to 5,000 psi +

Learn More

Reliable process pressure control for fluids & gases

Learn More

Affordable, pre-set, tamper-proof safety regulators

Learn More

Closed-loop electronic mass flow controllers that control flow rates from 2 SCFH to 250 SCFM

Learn More

Accurately measure the pressure of gases and/or fluids in industrial and laboratory processes

Learn More

RECENT UPDATES

Telescope Primary Mirror Cosine Regulator Upgrade

Background The Canada-France-Hawaii (CFH) observatory hosts a world-class, 3.6-meter optical/infrared telescope. The observatory is located at the summit of Mauna Kea, a 4200-meter, dormant volcano located on the island of Hawaii. The CFH Telescope became operational in 1979. The mission of CFHT is to provide its user community with a versatile and state-of-the-art astronomical observing … Continued

Read More
Newsletter header

March Newsletter: Food Processing & Packaging

March brings us preparation for planting in the northern hemisphere, but the food process world is busy all year long. We’ve featured pipeline pigging for all those facilities moving product around via pipe systems. You’ll also see information about our QBX proportional electro-pneumatic pressure regulator. And in case you missed it, we’re going blue with … Continued

Read More
Got the blues

We’ve got the blues – and it’s a good thing

If you’ve been around for a while, you may recognize our regulators and flow controllers by their colors, like our black QBX and QPV products, green QB3 and QB4 high flow devices, and the copper GX high pressure unit. While these colors have a lot of history, blue has always been the heart of our … Continued

Read More