xmlns:atom="http://www.w3.org/2005/Atom" xmlns:atom="http://www.w3.org/2005/Atom"
Textual Amendments
[2A001] Anti-friction bearings, bearing systems and components, as follows:
Ball bearings and solid roller bearings, having all tolerances specified by the manufacturer in accordance with ISO 492 Tolerance Class 4 or Class 2 (or national equivalents), or better, and having both ‘rings’ and ‘rolling elements’, made from monel or beryllium;
Not used;
Active magnetic bearing systems using any of the following, and specially designed components therefor:
Materials with flux densities of 2,0 T or greater and yield strengths greater than 414 MPa;
All-electromagnetic 3D homopolar bias designs for actuators; or
High temperature (450 K (177 °C) and above) position sensors.
[2A101] Radial ball bearings, other than those specified in 2A001, having all tolerances specified in accordance with ISO 492 Tolerance Class 2 (or ANSI/ABMA Std 20 Tolerance Class ABEC-9 or other national equivalents), or better and having all of the following characteristics:
An inner ring bore diameter between 12 mm and 50 mm;
An outer ring outside diameter between 25 mm and 100 mm; and
A width between 10 mm and 20 mm.
[2A225] Crucibles made of materials resistant to liquid actinide metals, as follows:
Crucibles having both of the following characteristics:
A volume of between 150 cm3 and 8 000 cm3; and
Made of or coated with any of the following materials, or combination of the following materials, having an overall impurity level of 2 % or less by weight:
Calcium fluoride (CaF2);
Calcium zirconate (metazirconate) (CaZrO3);
Cerium sulphide (Ce2S3);
Erbium oxide (erbia) (Er2O3);
Hafnium oxide (hafnia) (HfO2);
Magnesium oxide (MgO);
Nitrided niobium-titanium-tungsten alloy (approximately 50 % Nb, 30 % Ti, 20 % W);
Yttrium oxide (yttria) (Y2O3); or
Zirconium oxide (zirconia) (ZrO2);
Crucibles having both of the following characteristics:
A volume of between 50 cm3 and 2 000 cm3; and
Made of or lined with tantalum, having a purity of 99,9 % or greater by weight;
Crucibles having all of the following characteristics:
A volume of between 50 cm3 and 2 000 cm3;
Made of or lined with tantalum, having a purity of 98 % or greater by weight; and
Coated with tantalum carbide, nitride, boride, or any combination thereof.
[2A226] Valves having all of the following characteristics:
A ‘nominal size’ of 5 mm or greater;
Having a bellows seal; and
Wholly made of or lined with aluminium, aluminium alloy, nickel, or nickel alloy containing more than 60 % nickel by weight.
For valves with different inlet and outlet diameters, the ‘nominal size’ in 2A226 refers to the smallest diameter.]