1315 Flange - joint components (bolts, nuts, washers, gaskets, etc.)
1320 Cast-iron pressure pipes and fittings, including same enamelled
1322 T- and Y-pieces, pressed, forged and welded
1330 Industrial fittings, general
1337 Slide valves
1339 Butterfly valves
1320 Cast-iron pressure pipes and fittings, including same enamelled
1322 T- and Y-pieces, pressed, forged and welded
1330 Industrial fittings, general
1337 Slide valves
1339 Butterfly valves