paul1966 Posted March 15, 2010 Posted March 15, 2010 not sure if there is a uk standard or not but i am after a some 2d blocks such as - 3 way valve circulation pump strainer ball valve actuated ball valve non return valve electrically actuated ball valve I've searched around and found some American symbols but no two sites seem to have the same, so is there no official standard? Quote
ReMark Posted March 15, 2010 Posted March 15, 2010 In the U.S. most firms, but not all, adopt the iSA standards for symbology re: piping and instrumentation. There is still a large of amount of variation after one gets by the most widely used symbols. Quote
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