Document ID: chunk:federal_register_of_legislation:F2024L01024:front:0:p53
Version: federal_register_of_legislation:F2024L01024
Segment Type: other
Provision Reference: 
Character Range: 155755–158552

tube by a Pitot tube action and capable of being fixed to the central gas extraction system;

0. B. 001. b. 13. Frequency changers (converters or inverters) specially designed or prepared to supply motor stators for gas centrifuge enrichment, having both of the following characteristics, and specially designed components therefor:
                  a. A multiphase frequency output of 600 Hz or greater; and
                  b. High stability (with frequency control better than 0.2%);
14. Shut‑off and control valves as follows:
a. Shut‑off valves specially designed or prepared to act on the feed, product or tails UF6 gas streams of an individual gas centrifuge;
b. Bellows‑sealed valves, shut‑off or control, made of or protected by "materials resistant to corrosion by UF6", with an inside diameter of 10 mm to 160 mm, specially designed or prepared for use in main or auxiliary systems of gas centrifuge enrichment plants;
0. B. 001. c. Equipment and components, specially designed or prepared for gaseous diffusion separation process, as follows:
1.  Gaseous diffusion barriers made of porous metallic, polymer or ceramic "materials resistant to corrosion by UF6" with a pore size of 10 to 100 nm, a thickness of 5 mm or less, and, for tubular forms, a diameter of 25 mm or less;
2. Gaseous diffuser housings made of or protected by "materials resistant to corrosion by UF6";
3. Compressors or gas blowers with a suction volume capacity of 1 m3/min or more of UF6, discharge pressure up to 500 kPa and having a pressure ratio of 10:1 or less, and made of or protected by "materials resistant to corrosion by UF6";
4. Rotary shaft seals for compressors or blowers specified by 0B001.c.3. and designed for a buffer gas in‑leakage rate of less than 1,000 cm3/min.;
5. Heat exchangers made of or protected by "materials resistant to corrosion by UF6", and designed for a leakage pressure rate of less than 10 Pa per hour under a pressure differential of 100 kPa;
6. Bellows‑sealed valves, manual or automated, shut‑off or control, made of or protected by "materials resistant to corrosion by UF6";
0. B. 001. d. Equipment and components, specially designed or prepared for aerodynamic separation process, as follows:
1. Separation nozzles and assemblies thereof, consisting of slit‑shaped, curved channels having a radius of curvature less than 1 mm, resistant to corrosion by UF6, and having a knife‑edge contained within the nozzle which separates the gas flowing through the nozzle into two streams;

0. B. 001. d. 2. Cylindrical or conical tubes, (vortex tubes), made of or protected by "materials resistant to corrosion by UF6" and with one or more tangential inlets;
                   Note: Vortex tubes may be equipped with nozzle‑type appendages at either or both ends. The feed gas