Our monthly newsletter is back! Meet the new leadership at Proportion-Air, check out our new website and learn how Burling Valve has “officially” merged with Proportion-Air!
Universal Leader in Proportional Electro-Pneumatic Pressure & Flow Control
Universal Leader in Proportional Electro-Pneumatic Pressure & Flow Control
July Newsletter: Liquid Pressure & Flow Control 
Using Compressed Air Safely 
Our New Building: Another Step Toward Retooling America