Valve design requirement and Valve operator requirement for Ball,Gate,Globe,Check,Needle,Butterfly Valve-Project SGPK03

VALVE DESIGN REQUIREMENTS

8.1 Valves shall comply with the relevant standards and codes as specified herein and in the valve data sheets.

2 Ball Valves
All ball valves shall be of a fire tested design to BS6755 Pt 2, API 6FA or API 607,certified accordingly and fitted with fire safe seals.
Valves shall be of anti-static design with blow out proof stems.
The design of all ball valves shall incorporate body cavity pressure relief, which shall be achieved through seat design. A hole drilled in the ball to achieve body cavity relief is not acceptable.
Ball valves shall be reduced bore pattern, unless otherwise specified full bore on the individual data sheets. Reduced bores shall be limited to one line size smaller than body size.

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