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  • Users: Sam993
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  1. Sam993

    What is the best back up seal for LPG service

    Hello: I would like to seek you openion about an LPG pump with single primary seal and containment seal, what is the best for the containment seal, is it contacting type or non contacting type? Also what is the advantage of each design over other? Best Regards, Sam
  2. Sam993

    When coking can happen in mechanical seal

    Hello All: I would like to know what is the mechanism of hydrocarbon coking in the atmospheric side of the mechanical seal. Does it happen only in hot hydrocarbon? Do we need to use steam quench for low temperature hydrocarbon in order to minimize coking? Best Regards,
  3. Sam993

    Do we have to remove the throat bush for API Plan 02

    I would like to seek your experience about removing the throat bush or nick bush at the end of the stuffing box, when using API plan 02 in a high viscous material such asphalt. Some body claim it is good to do that and fully machine the stuffing box in order to have good venting and keep the...
  4. Sam993

    Is Pitot tube a good replacment for plunger pumps?

    I would like to ask if any body has specific experience with Pitot tube pumps. I would like to replace a plunger pump which is a nightmare for us due to its maintenance requirement, vibration, noise, etc. The flow is 20 m3/hr with a head 1600 m. The fluid is very clean water with a temperature...
  5. Sam993

    VFD retofitting for pumps

    I would like to know how difficult is it to replace the induction motor for an existing pump with VFD motor. what are the things which we have to change. Regards,

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