NBN EN 1074-5 : 2001
Current
The latest, up-to-date edition.
VALVES FOR WATER SUPPLY - FITNESS FOR PURPOSE REQUIREMENTS AND APPROPRIATE VERIFICATION TESTS - PART 5: CONTROL VALVES
01-12-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Design requirements
5 Performance requirements
5.1 Mechanical strength
5.2 Leak-tightness
5.3 Hydraulic characteristics
5.4 Resistance to disinfection products
5.5 Endurance
6 Conformity assessment
6.1 General
6.2 Type tests
6.3 Control of production and quality system
7 Marking
8 Packaging
Annex A (normative) Test method for the hydraulic
characteristics of control valves providing
flow regulation function
Annex B (normative) Test method for the hydraulic
characteristics of control valves providing
pressure regulation function
Annex C (normative) Test method for the hydraulic
characteristics of control valves providing
level regulation function
Annex D (normative) Test method for the endurance of
control valves
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