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HomeIntroductionThe Simple TestBack-Engineering?The Most Basic BasicsLet's Talk HydraulicsBack-Engineer This!BattlefieldKaboomLibraryNews ArchiveBla-BlaimerContactsGuestbook |
    This little screw pump got "screwed" when the outlet pressure exceeded the nominal value by four times (20bar vs. 100bar)! Judging by the shaft detail, the resulting unexpected stop, caused by the jamming of the screws, was abrupt enough to twist the hardened shaft. Just a reminder to all that before flow testing an unknown hydraulic system, defining the type of main components and stuff like their normal operating pressures is an essential step.
Screw pump parts
Screw pump parts
Screw pump parts