Classification of systems

  1. Law
  2. US Virgin Islands Code
  3. Internal Security and Public Order
  4. Fire Prevention Code
  5. Dry Cleaning Plants
  6. Classification of systems

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  • Dry cleaning systems shall be classified as follows:

    • (1) Class I Systems shall be those utilizing solvents rated above 40. (Example—50 degree F. Flashpoint Naphtha.)

    • (2) Class II Systems shall be those utilizing solvents rated 40 or below, but which do not comply with Class III or Class IV requirements. (Example—Standard Solvent.)

    • (3) Class III Systems shall be those employing equipment listed by Underwriters' Laboratories, Inc., utilizing solvents having specified characteristics and rated at 25 or below. (Example—140 degree F. Flashpoint Solvent.)

    • (4) Class IV Systems shall be those utilizing solvents rated as nonflammable, or as nonflammable at ordinary temperatures and only moderately flammable at higher temperatures, rated not over 5. (Examples—Carbon Tetrachloride and Perchlorethylene.)


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