Skip to content
Please enter a keyword to search

  • NS EN 14451 : 1ED 2005

    View superseded by
    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
    View superseded by

    DEVICES TO PREVENT POLLUTION BY BACKFLOW OF POTABLE WATER - IN-LINE ANTI-VACUUM VALVES DN 8 TO DN 80 - FAMILY D, TYPE A

    Available format(s): 

    Withdrawn date:  01-09-2020

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Norwegian Standards (Norges Standardiseringsforbund)

    Sorry this product is not available in your region.

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Nominal size
    5 Designation
    6 Marking and technical documents
    7 Symbolization
    8 General design characteristics
    9 Physico-chemical characteristics
    10 Characteristics and tests
    11 Acoustic characteristics
    Annex A (normative) Sampling and test sequence

    Abstract - (Show below) - (Hide below)

    Defines the characteristics of in-line anti-vacuum valves DN 8 to DN 80 that are suitable for use in drinking water systems at pressures up to 1 MPa (10 bar) and temperatures up to 65 Degree C and for 1 h at 90 Degree C.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher Norwegian Standards (Norges Standardiseringsforbund)
    Status Withdrawn
    Superseded By
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective