88481821
Jun 20, 2019
Mechanically-actuated control valves, incorporating instrumentation to collect and report pressures, temperatures, fluid flow rate, and energy usage, all for use in heating, ventilation, and air-conditioning (HVAC) systems
MachineryElectronically-actuated control valves, incorporating instrumentation to collect and report pressures, temperatures, fluid flow rate, and energy usage, all for use in heating, ventilation, and air-conditioning (HVAC) systems
Electrical and Scientific Apparatus