UNI EN 1452-4 : 2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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) - VALVES AND ANCILLARY EQUIPMENT
24-02-2010
01-01-2001
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
Defines the characteristics of valves and ancillary equipment made from unplasticized poly(vinyl chloride) (PVC-U) for piping systems used in the field of water supply.
| DevelopmentNote |
Supersedes UNI 8471. (11/2001)
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| DIN EN 1452-4:1999-09 | Identical |
| UNE-EN 1452-4:2000 | Identical |
| BS EN 1452-4 : 2000 | Identical |
| EN 1452-4 : 1999 | Identical |
| I.S. EN 1452-4:1999 | Identical |
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