Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Design requirements
4.1 General dimensions
4.2 Shell
4.3 Elastomers
4.4 Obturator - main valve
4.5 Stem seals
4.6 Materials including lubricants in contact
with water intended for human consumption
4.7 Leaktightness and mechanical strength
4.8 Closing direction
4.9 Opening turns
4.10 Resistance of hydrant to operating loads
4.11 Stem drive
4.12 Inlet connections
4.13 Outlets
4.14 Drainage system
4.15 Internal and external corrosion resistance
4.16 Resistance to disinfection products
4.17 Hydrants for non potable water systems
4.18 Hydraulic characteristics
5 Test methods
5.1 General
5.2 General dimensions
5.3 Operational characteristics
6 Marking and additional data
6.1 Marking
6.2 Additional hydrant data
7 Evaluation of conformity
7.1 General
7.2 Initial type testing (ITT)
7.3 Factory product control (FPC)
Annex ZA (informative) Clauses of the European Standard
addressing the provisions of the EU
Construction Products Directive
(89/106/EEC)
ZA.1 Scope and relevant characteristics
ZA.2 Procedure and system for the attestation of
conformity of underground fire hydrants
ZA.3 CE marking
ZA.4 EC certificate and Declaration of conformity
Bibliography