I.S. EN 1452-4:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
12-29-2009
English
01-01-1999
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
4 Material
4.1 Valve bodies and ancillaries
4.2 Additional components
5 General characteristics
5.1 Appearance
5.2 Colour
5.3 Opacity
6 Geometrical characteristics
6.1 Measurement of dimensions
6.2 Nominal diameters
6.3 Valves
6.4 Ancillary equipment: Tapping saddles
7 Classification and operating conditions
7.1 Classification
7.2 Determination of the allowable operating
pressure PFA for water up to 45degreeC
8 Mechanical characteristics
8.1 Resistance to internal pressure of valve bodies
8.2 Crushing test
8.3 Endurance properties
8.4 Functional properties
9 Physical characteristics
10 Chemical characteristics
11 Sealing rings
12 Adhesives
13 Performance requirements
14 Marking
14.1 General
14.2 Minimum required marking
14.3 Additional marking
Annex A (normative) Imperial(inch)-sized valves and
ancillary equipment
Annex B (informative) Bibliography
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