STAD

[ Apparatus, systems and instruments for weighing, measuring, signalling, automation, control and checking (supervision), namely, portable computer programmed balancing instrument with electronic differential pressure gauge and a micro computer program for measuring, signaling, control and checking of flow and differential pressure, computer hardware, computer operating system software, integrated circuits, and prerecorded software for measuring differential pressures, flow rates and temperatures of fluids within conduits, and parts therefore, all the aforementioned goods for use in heating, cooling, ventilation, water supply, temperature and moisture adjustment, lighting, power supply, air conditioning and security devices in buildings; electrical transformers; rheostats; humidistats; and fire fighting apparatuses, namely, fire hose nozzles, extinguishers, and alarms, and parts therefore ]

control valves and balancing valves for heating, cooling, [ steam generating, cooking, ] ventilation, water supply, air conditioning and sanitary purposes in buildings; [ steam valves; thermostatic valves; ] manually operated plumbing valves for air conditioners; control valves, balancing valves, presetting valves, shut-off valves, drainage valves, reset valves, valves for measuring pressure drop in fluids, flow valves, and valves for regulating flow, pressure, and/or temperature of water (in conduit's, and parts thereof)