• Design of dipping tube tank for horizontal or slopping downward pumping reach (Hammar)?

    Hello Everyone, I am protecting a horizontal sewage line with a dipping tube and I have some questions 1) Should the dipping tube tank base be on the ground level or can it be lowered sometimes for some reason? 2) when I tried to put it in the ground…
  • Dipping tube hydropneumatic tank results display sudden jump or appear unstable

    Product(s): HAMMER Version(s): V8i, CONNECT Edition Area: Calculations Problem When using a hydropneumatic tank set as a Dipping Tube, problems are seen in the calculated results during the transient simulation, in the Transient…
  • RE: Diameter (Dipping Tube) and Variable Elevation Curve.

    Saliha, All the values in the diameter equivalent column need to be greater than 0.3 (300 mm), which is the diameter of the dipping tube. Row 10 and row 3 in the variable elevation curve need to be larger. Regards,
  • RE: Unexplainable Results of Modeling AVs in Hammer

    Hi Ahmed, Re: "may I consider this velocity as a software related assumption, and simply ignore the velocity diagram as long as the pressure envelope along the pipeline is acceptable?" This is something that you will need to decide based on the assumptions…
  • Haestad Product Line: New Version Releases of WaterGEMS, WaterCAD, and HAMMER

    We're happy to announce that the V8i SELECTseries 3 release of WaterCAD, WaterGEMS and HAMMER is now available for download on Selectservices.bentley.com, for SELECT subscribers. Here is a brief outline of the new features included in this release: …