These can be used to control the pneumatic flow. Any of the activators can be attached to the 3/2 valve to act as the input. JOE I think I'm getting the hang of these. Are there any other ways to ...

Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris.

The command center operates like air traffic control for resources and patient flow, through a complex hospital system. It started in 2017, as a more efficient way to coordinate care at OHSU ...