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  1. mech1122

    HI 3.6 latest edition

    Can someone please attach a copy of HI 3.6 latest edition? I really need a copy. Thanks.
  2. mech1122

    Progressive Cavity Pump

    Hi Everyone, I would like to ask about progressive cavity pump rotor. Per my client specification it stated Rotating elements shall be balanced per ISO 1940-1 Grade G2.5 but Vendor takes an exception on this requirement due to the design of the equipment. Is it necessary to balance the rotor...
  3. mech1122

    Metering Pump Handbook

    Does anyone knows a link or site where we can download free Metering Pump Practical Handbook? Thanks..
  4. mech1122

    Friction head

    Thank you guys. I really appreciate your answers.
  5. mech1122

    Friction head

    Thanks for your reply but please explain regarding the formulas below. Total Disch Head = hsd + hfd + hvd ± hpd Where: hsd = Discharge Static Head hfd = Discharge Friction Head hvd = Discharge Velocity Head hpd = Discharge Pressure Head Total Suction Head = hss – hfs + hvs ± hps Where: hss =...
  6. mech1122

    Friction head

    Hi everyone. I wanna ask regarding friction head, why is it at total discharge head calculation the friction head is added while in total suction head calculation the friction head is subtracted?
  7. mech1122

    seal flush plan

    Is it a right choice to select Plan 11 + Plan 53b flush plan for condensate process fluid without any caustic mixture? or do I have to select Plan 11 only. As specified by my client, double seals shall be used with external flush (condensate) shall be used for process water and caustic...
  8. mech1122

    Metering Pump

    According to API 675 section 2.1.15 it states that "Rated Capacity shall be at least 110 percent of the maximum capacity specified". What does it mean?

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