Detalles
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.
Información adicional
| Autor | Bureau de Normalisation Belge (NBN) |
|---|---|
| Comité | CEN/TC 164 |
| Publicado por | NBN |
| Tipo de Documento | Norma |
| Fecha de cancelación | 2020-12-31 |
| ICS | 13.060.20 : Agua potable
23.060.50 : Válvulas de inspección |
| Número de páginas | 25 |
| Reemplaza | NBN EN 14451:2005 |
| histórico | No |
| Palabra clave | NBN EN 14451:2020 |
| Formulario de pedido |
|

