"Pneumatic controllers" are devices that use compressed air or gas to control and regulate the operation of machines or systems. They help in maintaining desired levels of pressure, temperature, flow, or other variables in control systems.
Sentences with «pneumatic controllers»
Here's what leakage from pneumatic controllers on a well looks like, thanks to infrared video posted by the Clean Air Task Force (tripod next time, guys?) (dotearth.blogs.nytimes.com)
A team of researchers from the Cockrell School of Engineering at The University of Texas at Austin and environmental testing firm URS reports that a small subset of natural gas wells are responsible for the majority of methane emissions from two major sources — liquid unloadings and pneumatic controller equipment — at natural gas production sites. (sciencedaily.com)
A 2011 Western Regional Air Partnership analysis of oil and gas air emissions control requirements set by both states and the EPA said that gas - powered pneumatic controllers on oil and gas production equipment release VOCs and methane with every valve movement, and some release gas continuously. (climatecentral.org)