Back pressure valves as parts of machines; Faucets being parts of machines, engines or motors; Filters being parts of motors; Hydraulic controls for machines, motors and engines; Pressure regulators being parts of machines; Regulators being parts of machines; Shaft couplings for machines; Steam cleaning machines; Valves being parts of machines; Valves for pumps

Branching pipes of metal; Drain traps of metal; Elbows of metal for pipes; Junctions of metal for pipes; Penstock pipes of metal; Pipe muffs of metal; Pipes of metal; Tubes of metal; Valves of metal, other than parts of machines; Water-pipe valves of metal