Cookies
We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
ČSN EN 1717 (755462)
Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow
Translate name
STANDARD published on 1.11.2025
The information about the standard:
Designation standards: ČSN EN 1717
Classification mark: 755462
Catalog number: 522378
Publication date standards: 1.11.2025
SKU: NS-1245465
The number of pages: 72
Approximate weight : 216 g (0.48 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN 1717 (755462):
This document specifies an analysing methodology for protecting potable water in potable water installations within and outside buildings but within premises from the risk of pollution by backflow of non-potable water and gives recommendations on the design, risk analysis, backflow prevention devices and their installation methods.
This methodology is also intended to be used outside premises for all water systems connected to a potable water distribution system up to and including the point of use.
The product standards for the specific backflow prevention devices or arrangements are intended to be used in conjunction with this document. For the development of new devices or systems, this document is intended to be used as a reference to establish the necessary level of backflow protection
