ONORM EN ISO 10497 : 2010
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
TESTING OF VALVES - FIRE TYPE-TESTING REQUIREMENTS
19-07-2023
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test conditions
4.1 Direction and conditions for valves to be tested
4.2 Pressure relief provision
5 Fire test method
5.1 General warning
5.2 Principle
5.3 Apparatus
5.3.1 General
5.3.2 Specific apparatus
5.4 Test fluid
5.5 Test fuel
5.6 Procedure
6 Performance
6.1 General
6.2 Through-seat leakage during burn period
6.3 External leakage during burn and cool-down periods
6.4 Low pressure test through-seat leakage after
cool-down
6.5 Operability
6.6 External leakage following operational test
6.7 Test report
7 Qualification of other valves by representative size,
pressure rating and materials of construction
7.1 General
7.2 Materials of construction
7.3 Qualification of valves by nominal size
7.4 Qualification of valves by pressure rating
7.5 Special marking
Bibliography
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