PD 5500:2009 Specification for unfired fusion welded pressure vessels
[link Point to another website Only the registered members can access]
BS EN 13942:2009 ~ Petroleum and natural gas industries. Pipeline transportation systems. Pipeline valves
[link Point to another website Only the registered members can access]
PD ISO/TR 10400:2007 ~ Petroleum and natural gas industries -- Equations and calculations for the properties of casing, tubing,
drill pipe and line pipe used as casing or tubing
[link Point to another website Only the registered members can access]



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