Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by escheir

  1. escheir

    Valve sizing programs

    I'am looking for Air Admission Valves Vent-O-Mat. Is there a representative in Europ? Is there any whone who knows who to model these valve in Flowmaster?
  2. escheir

    28% Chrome Impeller Repair

    Pump Intake Design. The distance between the pit floor and the pump bell mouth is normally 0.5D. Is there a maximum value and so yes, why is that? Formation of floor vortexes? Can someone tell me what is reference 2 of chapter 10 from "Pump Intake design by the Haydraulic Institute"? Erik
  3. escheir

    Pump Hous Intake design

    Hi everybody, What do you think about a pump house intake design with two vertcal turbine pumps positioned in line, one behind the other, in a narrow channel. Any comments? Erik
  4. escheir

    Minimally trimmed impellers

    Hi Everybody, What can you tell about a pump house intake design with two vertical turbine pumps positioned in-line, one behind the other, in a narrow channel? The first pump is normally not running, (stand-by pump) the second pump has a capacity of 5100 m3/h at 25 m WC Any comment? Erik
  5. escheir

    Can You Spec A Pump with Negative NPSHA/NPSHR

    To Scalleke, I was talking about a centrifugal pump. What are dual phase pumps? do you mean vapor ejector? escheir
  6. escheir

    Can You Spec A Pump with Negative NPSHA/NPSHR

    NPSH is defined as the excess of inlet total head over the head equivalent of the vapour pressure of the pumped liquid. NPSHa is defined as the NPSH available at the pump inlet. NPSHr is defined as the NPSH required at the pump inlet for operation free from unaccptable deficiencies caused by...

Part and Inventory Search