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hi can someone explain to me this sentence how to detrminate that the defect affect the leak tightness <All the defects detected during the tests shall be recorded and repaired, then pressure test must be re-executed.However, when the defect does not affect the leak tightness> thanks in advance

hi, can anyone give me the deference between total pressure drop and the allowable pressure drop for heat exchangers? thanks in advance

hi for diesel fire water pump diesel engine shall be designed for designed for continuous operation or not in other way does the diesel pump need to be suitable for Open valve start-up considering that pump is for Emergency Fire pump application. thanks in advance

Hi our pump vendor propose that Anti reverse rotation arrangement cannot be provided due to limitations of manufacturing for fire water pumps electrical and diesel pumps and i am asking if its normal thanks really appreciate the help

thank you littleInch

the contractor provides this sentence in the engineering drawing of hot oil exchanger and I'm wondering if it is standards to do that for new project thanks

hi i want to ask about the procedures for Corroded heat exchangers hydrostatic test for engineering new heat exchanger for new plant thanks

HI i need help regarding diaphragm pumps without external flexible coupling i want to know whats the problems that coming with this type of pump regarding maintenance and exploitation thank you

HI FOR LIQUIDE RING VACCUM IM ASKING OF THE DEFFERENCE BETWEEN STEEL BEARING HOUSING AND DUCTIL IRON AND FROM PASR EXPERIENCES WHAT ARE THE PROBLEMS THAT COME WITH DUCTILE IRON HOUSING THANKS IN ADVANCE

HI Littleinch i mean in the process of formalizing document for new complex is it important to mention the bent pipe minimum center line as your previous experience in engineering documentation for new complex by the the document title is GENERAL SPECIFICATION - LAYOUT AND PIPING DESIGN CRITERIA...

HI Bent pipe shall have a minimum center line radius not less than 5 times the nominal pipe size. is this sentence need to be added in document PIPING DESIGN ARRANGEMENT CRITERIA in other words, what's the importance of this and what is the requirements for radius center line bases on previous...

Hi In new project instalation which best to select between flange b16.47 series a and series b ? And wich usual application for flange series a Thanks in advance

hi im asking about the selection of bearing for bb3 pumps and whats standards do i need to follow to chose between sleeve bearings and ball type bearings thanks

thanks littleinch much appreciate

HI For the design of pig station launcher and recovery for new line, I want to install a smart pig after years for now it's used for dumb pig my question is weather pig launcher and receiver can be suitable for smart pig or I need to modify thanks a lot

hi im asking for fire water pump whats the best api material class to imply location is near the sea thanks

thanks that was helpful

Thanks but I need more explanation

hi, can anyone explain to me this sentence meaning corrosin allowance shall be add on all the surfaces of welded internal part exposed to medium thanks

hi whats the corrosion allowance for INTERNALS ON EACH EXPOSED SURFACE for tank internals maerial is KILLED CARBON STEEL thanks in advance