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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

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 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

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

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

Hi For piping material killed carbon steel material I'm asking for guide to chose between A672 B65 class 22 and A672 C65 class 22 can anyone one adress me please thanks in advance

hi Bidder did not considered API 675 (3rd Edition Nov2012+ Reaffirmed July 2021) required for Positive Displacement Pumps. for STEAM GENERATION PACKAGE i ask wheather its acceptable to change the standards from API 675 and whats is the best alternative

Hi For instruments Dreyer package I'm asking if the price of training of operators in field and workshop is included in the total price or it will be paid separately please it's urgent

Hi I'm looking for a table of line connected and thiere stress categorization levels bas on past experience

Hi It's urgent I need to know what are the procedures for non destructive examination for a heat exchanger that both tube and shell side are in hydrogen service

Hi I want to ask about vessel subject to external fire condition and what's Membrane stress intensity ? And why we calculate it ? And the condition of temple increment and pressure increment Thanks