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does api support self priming centrifugal pumps or not. We sent an inquiry to some pump manufacturer asked them to supply a self priming centrifugal pump as per API code. some manufacturers deny and someone quote a simple pump with priming vessel. can we say that a priming vessel added to an...

Dear friends, can anybody address a standard that specify the maximum allowable forces which we can apply to a flange to align it. Thank you

dear friends, I am new in piping drawing, I am interested to know how can i draw the details of hot tap joint in isometric drawing, thank you

Dear friends, can anybody introduce a complete reference or procedure to select the fitting material for a special pipe material. for example: if pipe is SA106 GrB then: fittings are A234WPB and forgings sa105,... Thank you.1D`?

we find some cracks on tapered zone of welding neck flanges during hydrotest, what is the reason of cracks, it seams that the during forging of flanges there was lamination, how can we find the exact reason? Thank you

dear friends, can anybody send me the recommended flow velocity used to size the piping for different fluid such as water, hs, ls, ms, gasoline,... Thank you?]

dear friends, during hydrotest of 6"#600 pipes we found some cracks in the taper area of flanges, the cracks are far from weld seams, what is the main reason of these cracks, welding procedure or material construction (forging of flanges)? what kind of test is necessary to find out the reason...