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BSI BS EN 14451:2020

Devices to prevent pollution by backflow of potable water. In-line anti-vacuum valves DN 10 to DN 50 inclusive. Family D, type A
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BSI BS EN 14451:2020

Devices to prevent pollution by backflow of potable water. In-line anti-vacuum valves DN 10 to DN 50 inclusive. Family D, type A

PUBLISH DATE 2020
PAGES 26
BSI BS EN 14451:2020

This document specifies the field of application, the dimensional, the physico-chemical, the design, the hydraulic, the mechanical, and the acoustic characteristics of in-line anti vacuum valve family D Type A.

This document covers in-line anti vacuum valve family D Type A, intended to prevent pollution of potable water by backflow, caused by backsiphoning only.

It is applicable to in-line anti vacuum valve in denominations DN 10 up to DN 50.

It covers in-line anti vacuum valve of PN 10 that are capable of working without modification or adjustment:

  • at any pressure, up to 1 MPa (10 bar);

  • with any pressure variation, up to 1 MPa (10 bar);

  • in permanent duty at a limited temperature of 65 °C and for maximum 1 h at 90 °C.

It specifies also the test methods and requirements for verifying their characteristics, the marking and the presentation at delivery.

SDO BSI: British Standards Institution
Document Number EN 14451
Publication Date July 6, 2020
Language en - English
Page Count 26
Revision Level
Supercedes
Committee B/504
Publish Date Document Id Type View
July 6, 2020 BS EN 14451:2020 Revision
Dec. 21, 2005 BS EN 14451:2005 Revision
Nov. 30, 2008 BS EN 14451:2005 Consolidated