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 +

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Mechanical Pressure Regulators

Reliable process pressure control for fluids & gases

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Pneumatic Safety Regulators

Affordable, pre-set, tamper-proof safety regulators

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Mass Flow Control Valves

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

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Pressure Transducers

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

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RECENT UPDATES

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

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February Newsletter: Saturated Steam

February is a cold month in our part of the world, and while we know controlling the temperature of saturated steam applies all year long, we’re bringing this “steamy” topic to you now. Find out how you can use pressure to control temperature and learn more about our Burling Valve brand BS1, a simple direct-acting … Continued

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January Newsletter: Resolve to learn more about resolution

It’s January, and we want to know: What’s your resolution? Ours is a maximum of ±0.005%. Maybe we’re not talking about the same thing, but they’re both timely topics. Our monthly newsletter has returned, and this month, the subject is resolution. Our high resolution products like the QPV, MPV and QL3 use a proportional valve … Continued

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