Document ID: chunk:federal_register_of_legislation:F2024L01024:front:0:p116
Version: federal_register_of_legislation:F2024L01024
Segment Type: other
Provision Reference: 
Character Range: 325009–327781

Alloys with more than 25% nickel and 20% chromium by weight;
2. Fluoropolymers (polymeric or elastomeric materials with more than 35% fluorine by weight);
3. Glass (including vitrified or enamelled coatings or glass lining);
4. Graphite or 'carbon graphite';
5. Nickel or alloys with more than 40% nickel by weight;
6. Tantalum or tantalum alloys;
7. Titanium or titanium alloys;
8. Zirconium or zirconium alloys;
9. Silicon carbide;
10. Titanium carbide; or
11. Niobium (columbium) or niobium alloys;
2. B. 350. e. Distillation or absorption columns of internal diameter greater than 0.1 m; and liquid distributors, vapour distributors or liquid collectors designed for such distillation or absorption columns, where all surfaces that come in direct contact with the chemical(s) being processed are made from any of the following materials:
1. Alloys with more than 25% nickel and 20% chromium by weight;
2. Fluoropolymers (polymeric or elastomeric materials with more than 35% fluorine by weight);
3. Glass (including vitrified or enamelled coatings or glass lining);
4. Graphite or 'carbon graphite';
5. Nickel or alloys with more than 40% nickel by weight;
6. Tantalum or tantalum alloys;
7. Titanium or titanium alloys;
8. Zirconium or zirconium alloys; or
9. Niobium (columbium) or niobium alloys;
2. B. 350. f. Remotely operated filling equipment in which all surfaces that come in direct contact with the chemical(s) being processed are made from any of the following materials:
1. Alloys with more than 25% nickel and 20% chromium by weight; or
2. Nickel or alloys with more than 40% nickel by weight;
2. B. 350. g. Valves and components, as follows:
1. Valves, having both of the following:
a. A 'nominal size' greater than 10 mm or 3/8" (DN 10 or NPS 3/8); and
b. All surfaces that come in direct contact with the chemical(s) being produced, processed, or contained are made from 'corrosion resistant materials';
2. Valves, other than those specified in 2B350.g.1., having all of the following;
a. A 'nominal size' equal to or greater than 25.4 mm or 1" (DN 25 or NPS 1) and equal to or less than 100 mm or 4" (DN 100 or NPS 4);
b. Casings (valve bodies) or preformed casing liners;
c. A closure element designed to be interchangeable; and
d. All surfaces of the casing (valve body) or preformed case liner that come in direct contact with the chemical(s) being produced, processed, or contained are made from 'corrosion resistant materials';
3. Components, designed for valves specified in 2B350.g.1. or 2B350.g.2., in which all surfaces that come in direct contact with the chemical(s) being produced, processed, or contained are made from 'corrosion resistant materials', as follows:
a. Casings (valve bodies);
b. Preformed casing liners;
Technical Notes:
1.