AMSYS

Junctions of metal for pipes; pipework of metal; reinforcing materials of metal for pipes; elbows of metal for pipes; pipes of metal; valves of metal, other than parts of machines; fittings of metal for compressed air lines; bottles [containers] of metal for compressed gas or liquid air; containers of metal for compressed gas or liquid air.

Valves [parts of machines]; clack valves [parts of machines]; pressure valves [parts of machines]; hydraulic controls for machines, motors and engines; pneumatic controls for machines, motors and engines; pressure regulating valves; pressure reducers [parts of machines]; pressure regulators [parts of machines]; soldering apparatus, gas-operated; electric welding apparatus; pressure reducing valves being parts of machines; hydraulic gas pressure reducing valves.