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Avis d'intention

Casse-vide et dispositifs antirefoulement

1.1 The CSA B64 Series covers vacuum breakers and backflow preventers that are used in potable water supply systems to prevent cross-connections. 1.2 This Standard specifies definitions, general requirements, test methods...
Avis d'intention

Appareils à gaz pièges à sédiments

1.1.1 This standard applies to newly produced gas appliance sediment traps hereinafter referred to as traps (see Part IV, Definitions), constructed entirely of new, unused parts and materials. Compliance of a trap with this...