ARMSTRONG DEVICE

[Class - 11]

HEATE EXCHANGERS; VORTES AIR SEAPRATORS AND PURGERS FOR REMOVAL OF ENTRANED AIR FORM HEATING AND COOLING SYSTEMS; AND HEAT TRANSEFER PACKAGED SYSTEMS TO TROVIDORS HEATING FOR COOLING OF WATER CIRCULATIUON SYSTEMS FOR COMMERCIAL BUILDINGS, ICE MAKING OR INDUSTRISL PROCESS SYSTEMS, THE PACKED SYSTEMS FOCMPRESING; PUMPS, HEAT EXCHANESRS, AIR SEPARATORS, EXPANSION TANKS, AIR CONTROL VALVES AND ELECTRIC CONTROL.

[Class - 7]

Machine parts, namely, fluid pumps and fluid circulating pumps and parts thereof; fluid pressure boosters; air compressors; fir pumps; and fire pumps systems, compressing; horizontal end suction horizontal split-case or vertical-in-line pumps, electric or diesel derives, application-specific batteries and controllers.

[Class - 9]

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