LQ

valves for water, steam and gas as used in pipe lines; cocks; pipe-fittings; namely, elbows, T's, crosses, and other fittings which serve as pipe connections but which cannot be closed or opened to control the flow of fluid through the pipes; pipe-unions; nozzles for compressed air, oil, and sandblast; pop-valve mufflers, sight feed-valves, low water alarms for steam boilers and fusible plugs for low water alarms for steam boilers