BS EN 17821:2023

This standard BS EN 17821:2023 Building valves. Frost resistant taps for outdoor use (FRT). General technical specification is classified in these ICS categories:

• 23.060.01 Valves in general
• 91.140.60 Water supply systems

This document specifies: - general construction, performance and material requirements for Frost Resistant Taps for outdoor use (FRT), PN 10. - the application in the potable water installation with a static pressure of maximum 1,0 MPa (10 bar) and a distribution temperature of maximum 25 °C (PWC). FRT valves shall consist of the 3 areas shown in Figure 1. The conditions of use are according to the following Table 1. The requirements with regard to the potable water quality are specified in national regulations.