Regarding the material used for the middle section of BB5 type S-6 grade pumps

2021-09-28View Original

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According to API610 requirements, for S-6 class BB5 pumps, the pressure pump casing can be made of carbon steel, while the flow-through components require 12% Cr steel. I would like to ask those with more experience: does the intermediate partition count as a flow-through component or as part of the pressure pump casing?

Reply #22021-09-28

Executed using 12% Cr steel as required for overcurrent components

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Regarding the material used for the middle section of BB5 type S-6 grade pumps

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