ARMSTRONG

metal diaphragm tanks

machine parts, namely fluid pumps and fluid cuiculating pumps and parts therefor; fluid pressure boosters; air compressors; fire pumps; and fire pump systems, comprising horizontal end suction, horizontal split-case or vertical in-line pumps, electric or diesel drives, and application specific batteries, controllers

automatic control, safety and regulating valves for fluid pumps and fluid circulating pumps; pressure-indicating thermostatic radiator valves, balancing valves and meters for the following - fluid pumps, fluid circulating pumps, air compressors, fluid pressure boosters and water heaters; calibrated fluid flow guides, all for use in fluid flow systems; computer utility software for use in selecting and sizing pump systems, fire pump systems, heating exchanging and circuit balancing valves

heat exhangers; vortex air separators and purgers for removal of entrained air from heating and cooling systems; and heat transfer packaged systems to provide heating or cooling of water circulating systems for commercial buildings, ice making or industtial process systems, the package systems comprising pumps, heat exchangers, air separators, expansion tanks, air control valves and electric controls