The new Valbia® VB008 Mini quarter-turn direct-mount electric actuator measures 4.75-in long by 2.75-in wide. Used with .25- to 1.25-in full-port direct mount ball valves, the company says it provides the compact and reliable automatic flow control for a wide range of HVAC, light industrial, and OEM applications.
Armstrong Fluid Technology has introduced a new chiller plant automation system targeted at optimizing the performance of air-cooled chiller plants. The company says the IPC 9511 streamlines plant operations and can lower operating costs. Facility managers and engineers can benefit from this fully field-configurable solution with automation features for constant speed and variable speed configurations.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.