The Copper-Fin II(r) commercial gas water heaters from Lochinvar Corporation (Nashville), Models 401 to 751, feature 85% thermal efficiency ratings, proportional firing systems, multiple venting options, and low NOx ratings.
The energy storage principle (ESP) zone valve from Taco, Inc. (Cranston, RI) features a gear-driven, capacitor-powered valves which replaces the traditional spring with a Prostar gold cap capacitor for
Watson McDaniel Company (Norristown, PA) has published its Basics of Industrial Steam Utilization, a 156-page course book which covers the full range of steam system fundamentals including boilers, distribution,
New enhancements have been made to Computational Fluid Dynamics (CFD) modeling software capability for process and chemical engineers, with the release of CFX-4.4 from AEA Technology Engineering Software (Waterloo, ON,
Retrieving every last bit of performance from the system while stopping short of the surge line is no small feat. Dig into sizing, tower selection, chilled water loads and stability, and condenser water management to leave no efficiency stone unturned. Read more in April issue