Rings of rubber; water-tight rings; gaskets; cylinder jointings; pipe gaskets; rubber, raw or semi-worked; plastic substances, semi-processed; waterproof packings; fittings, not of metal, for compressed air lines; pipe muffs, not of metal; caulking materials; shock-absorbing buffers of rubber; junctions, not of metal, for pipes; washers of rubber or vulcanized fiber [fibre]; rubber stoppers; flexible hoses, not of metal; clack valves of rubber; plastic for use in manufacture of bodies for valves; non-metal fittings, pipes, couplings and valves; hose fittings, not of metal; hoses made of plastic; air hoses for pneumatic tools

Valves of metal, other than parts of machines; manually operated metal valves, other than parts of machines; water-pipe valves of metal; pipes of metal and junctions of metal; manifolds of metal for pipelines; pipe muffs of metal; fittings of metal for compressed air ducts; adapters, joints and manifolds of metal for hydraulic and pneumatic systems

Valves of metal [parts of machines]; cylinders, joints and fittings [parts of machines]; rod locks; brakes and shock absorber for pneumatic cylinders; pressure regulators and reducers; components for compressed air and pneumatic machines, namely cylinders, valves and pneumatic grippers; hydraulic and pneumatic valves actuators; pneumatic pumps; filters and silencers [parts of machines]