PLUMBING FITTINGS AND ACCESSORIES - Vacuum Breaker - Atmospheric Type (AVB)
Only devices designed for use in potable water supply
systems, including the following:
- Atmospheric Type in nominal sizes of 1/2 – 3 in inclusive
|CSA B64.1.1||Atmospheric vacuum breakers (AVB)|
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;
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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