NBN EN 816 : 1996
Current
The latest, up-to-date edition.
Foreword
Introduction
1 Scope
2 Normative references
3 Definition
4 Designation
5 Marking - Identification
6 Materials
7 Protection against pollution
8 Dimensional characteristics
9 Leaktightness characteristics
10 Pressure resistance characteristics
11 Hydraulic characteristics
12 Mechanical properties - operating force
13 Mechanical endurance or wear resistance characteristics
14 Acoustic characteristics
A (normative) Pressure take off tees
B (informative) Acoustic classification (example)
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