LQ

Water-pipe valves of metal; metal 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; metal pipe-unions; metal wash down spray nozzles for commercial and industrial use in compressed air, oil and sandblast; manually-operated metal sight feed-valves

[ Pop-valve mufflers for motors ]

[ Water-pipe valves, not of metal or plastic ]

Valves for controlling and regulating the flow of gases not being part of plumbing, heating, cooling installations or machines; low water alarm sensors for steam boilers or fusible plugs for use as safety parts for sight feed-valves

Steam valves; plumbing fittings, namely, cocks

[ Non-metal 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; non-metal pipe unions ]