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SN 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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PLASTICS PIPING SYSTEMS FOR WATER SUPPLY - UNPLASTICIZED POLY(VINYL CHLORIDE) (PVC-U) - PART 4: VALVES AND ANCILLARY EQUIPMENT
01-05-2010
12-01-2013
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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