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

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