Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow Ingestion-build-65808 This European Standard gives the

This European Standard gives the definitions and general terms

The standard specifies compulsory functions which shall be provided on all electrical automatic control and delay devices and optional functions (options with requirements) which may be provided

neutron radiation and other particle radiation

property or the environment

which are now withdrawn

Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow Ingestion-build-65808 This European Standard gives theBS EN 1717: 2000 Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow BS EN 1717 deals with the means to be used to prevent the pollution of potable water inside premises and the general requirements of protection devices to avoid pollution by backflow. The hygiene protection specifications of this standard are applicable to all the standards for systems or appliances