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  2. Oil well control - Wikipedia

    en.wikipedia.org/wiki/Oil_well_control

    Slow pump pressure is the circulating pressure (pressure used to pump fluid through the whole active fluid system, including the borehole and all the surface tanks that constitute the primary system during drilling) at a reduced rate. SPP is very important during a well kill operation in which circulation (a process in which drilling fluid is ...

  3. Oil pump (internal combustion engine) - Wikipedia

    en.wikipedia.org/wiki/Oil_pump_(internal...

    Gear pumps [1] [2] trochoid pumps [3] and vane pumps [a] are all commonly used. Plunger pumps have been used in the past, but these are now only used rarely, for small engines . To avoid the need for priming , the pump is always mounted low-down, either submerged or around the level of the oil in the sump.

  4. Stuffing box - Wikipedia

    en.wikipedia.org/wiki/Stuffing_box

    Creating a proper plunger alignment is critical for correct flow and a long wear life. Stuffing box components are of stainless steel, brass or other application-specific materials. Compression packing is rigorously tested to ensure effective sealing in valves, pumps, agitators, and other rotary equipment.

  5. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. 9 Christmas traditions in England that probably confuse Americans

    www.aol.com/9-christmas-traditions-england...

    There are some Christmas traditions in England that might confuse people from the US.. Some folks in the UK celebrate Christmas with pantomime, a campy, family-friendly theater show. Christmas ...

  7. Grundfos - Wikipedia

    en.wikipedia.org/wiki/Grundfos

    Grundfos (Danish pronunciation: [ˈkʁɔnfʌs]) is the largest pump manufacturer in the world, based in Denmark, with more than 19,000 employees globally.. The annual production of more than 16 million pump units, circulator pumps (UP), submersible pumps (SP), and centrifugal pumps (CR).

  8. NFL reveals dates on franchise tags, new league year - AOL

    www.aol.com/nfl-reveals-dates-franchise-tags...

    Below is a list of additional important deadlines: July 15 at 4 p.m. ET -- This serves as the deadline for any club that designated a franchise player to sign said player to a multiyear contract ...

  9. Backwashing (water treatment) - Wikipedia

    en.wikipedia.org/wiki/Backwashing_(water_treatment)

    Diatomaceous earth filters are backwashed according to the proprietary arrangement of pumps, valves and filters associated with the filtration system. [2] Slow sand filters and self-cleaning screen filters employ mechanisms other than backwashing to remove trapped particles. To keep water treatment filters functional, they have to be cleaned ...