NBN EN ISO 15761 : 2003
Current
The latest, up-to-date edition.
STEEL GATE, GLOBE AND CHECK VALVES FOR SIZES DN 100 AND SMALLER, FOR THE PETROLEUM AND NATURAL GAS INDUSTRIES
12-01-2013
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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