EN ISO 15761:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
17-10-2020
15-12-2002
1 Scope
2 Normative references
3 Terms and definitions
4 Pressure/temperature ratings
4.1 Valve ratings
4.2 Temperature constraints
5 Design
5.1 Reference design
5.2 Flow passageway
5.3 Wall thickness
5.4 Valve body
5.5 Valve bonnet or cover
5.6 Obturator
5.7 Stem
5.8 Stem nut or stem bushing
5.9 Packing, packing chamber and gland
5.10 Packing retention
5.11 Hand wheel
6 Materials
6.1 Trim materials
6.2 Materials other than trim
7 Marking
7.1 Legibility
7.2 Body marking
7.3 Ring joint groove marking
7.4 Identification plate marking
8 Testing and inspection
8.1 Pressure tests
8.2 Inspection
9 Preparation for despatch
Annexes
A Requirements for extended body gate valve bodies
B Requirements for valves with bellows stem seals
C Type testing of bellows stem seals
D Identification of valve parts
E Information to be specified by the purchaser
Bibliography
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