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NA 003

DIN Standards Committee Valves

Abstract

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.

Begin

2025-06-17

WI

00164787

Planned document number

DIN EN 17821

Project number

00300790

Responsible national committee

NA 003-02-02 AA - Valves for potable water supply in buildings  

Responsible european committee

CEN/TC 164/WG 14 - Valves and fitting for buildings and devices to prevent pollution by backflow  

draft standard

Building valves - Frost resistant taps for outdoor use (FRT) - General technical specification; German and English version prEN 17821:2026
2026-09
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previous edition(s)

Building valves - Frost resistant taps for outdoor use (FRT) - General technical specification; German version EN 17821:2023/AC:2024
2024-10

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Building valves - Frost resistant taps for outdoor use (FRT) - General technical specification; German version EN 17821:2023
2023-09

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