Valves of metal other than parts of machines including those from alloy steel and titanium; Pipe coupling of metal; Metal pipe fittings; Fittings of metal for pipes; Elbows of metal for pipes; Metal pipe connectors

Junctions of metal for pipes including those from alloy steel and titanium; Metal elbows for pipes; Metal pipe connectors; Metal pipe fittings; Valves of metal, other than parts of machines