BS EN 61770:2009+A11:2018
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Electric appliances connected to the water mains. Avoidance of backsiphonage and failure of hose-sets
Hardcopy , PDF
08-28-2019
English
07-04-2018
This European Standard specifies requirements for appliances for household and similar purposes to prevent the backflow of non-potable water into the water mains. It also specifies requirements for hose sets used for connecting such appliances to the water mains that supply water at a pressure not exceeding 1MPa.NOTE1 Examples of similar purposes are the installation of appliances in canteens, restaurants, launderettes and communal flats.NOTE2 The connection of the appliance to the water mains may be temporary or permanent.NOTE3 When reference is made to the water mains, water supplied from a cistern or similar system is also included.This standard does not apply toappliances used for dry cleaning;appliances for medical purposes;appliances intended for industrial purposes;water heaters that are an integral part of the water supply system;water coolers that are an integral part of the water supply system;backflow prevention devices for general purposes.
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