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Class Number Description
6813-01
PLUMBING FITTINGS AND ACCESSORIES - Vacuum Breaker - Atmospheric Type (AVB)

COVERAGE:

Only devices designed for use in potable water supply
systems, including the following:

Vacuum Breakers

  • Atmospheric Type in nominal sizes of 1/2 – 3 in inclusive

REQUIREMENTS:

CSA B64.1.1 Atmospheric vacuum breakers (AVB)

MARKING:

All marking required by CSA must be permanent,
legible, and visible after installation of the fitting. The contents consist of:

  • submittor’s identification;
  • model number;
  • the
    applicable product standard of the CSA B64 Series (e.g., CSA B64.1.1)    ;
  • maximum rated pressure;
  • maximum rated temperature;
  • direction of normal flow; and
  • CSA Mark.


Markings shall be cast, etched, stamped, or engraved on the backflow preventer
or vacuum breaker or on a durable metal plate securely fastened to the device. A
permanent label complying with CSA C22.2 No. 0.15 shall also be acceptable.

Products shall be installed in Accordance with the
Local Code of the Authority Having Jurisdiction.

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