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ANSI/CAN/ASSE/IAPMO 1055-2020 Performance Requirements for Chemical Dispensers with .....

ANSI/CAN/ASSE/IAPMO 1055-2020 Performance Requirements for Chemical Dispensers with .....
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Performance Requirements for Chemical Dispensers with Integral Backflow Protection

Chemical dispensing systems (herein referred to as the “device”) provide a means of mixing potable water with chemicals to provide the user with a chemical solution which is ready for use. The amount of dilution shall be fixed or adjustable. Devices covered by this standard are intended for stationary installations, mobile devices where the orientations are fixed, and handheld devices.

This standard applies to those devices classified as chemical dispensing systems and shall be protected by an air gap complying to ASME A112.1.3-2000 (R2015), an integral elastomer gap, or an Atmospheric Vacuum Breaker (AVB). If an AVB is used as its method of backflow protection, it must conform with ASSE 1001 or CSA B64.1.1.


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