BS EN 14455:2005 PDF

Scope: This document specifies: a) field of application; b) requirements for pressurised air inlet valves; c) dimensional and the physico-chemical properties and the properties of general hydraulic, mechanical and acoustic design of pressurised air inlet valves DN 15 to DN 50; d) test procedure and requirements for verifying these properties; e) marking and presentation; f) acoustics. This document specifies the characteristics of pressurised air inlet valves DN 15 to DN 50 that are suitable for use in drinking water systems at pressures up to 1 MPa (10 bar) and temperatures up to 65 °C and for 1 h at 90 °C.

BS EN 14455:2005 Referenced Document

EN 13959 Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D*， 2024-04-18 Update
EN 1717:2000 Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow*， 2024-04-18 Update
EN 806-1:2000 Specifications for installations inside buildings conveying water for human consumption - Part 1: General
EN ISO 228-1 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation ISO 228-1: 2000
EN ISO 3822-1 Acoustics - Laboratory tests on noise emission from appliances and equipment used in water supply installations - Part 1: Method of measurement - Amendment 1: Measurement uncertainty (ISO 3822-1:1999/Amd 1:2008)*， 2008-12-15 Update

0000 BS EN 14455:2005(2006)
2006 BS EN 14455:2005 Devices to prevent pollution by backflow of potable water - Pressurised air inlet valves DN 15 to DN 50 - Family L, type A and type B