HI 9.6.2

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Rotodynamic Pumps for Assessment of Applied Nozzle Loads (ANSI/HI 9.6.2)

Published by Publication Date Number of Pages
Hydraulic Institute(HI) 08/16/2021 61

Description

HI 9.6.2 – Rotodynamic Pumps for Assessment of Applied Nozzle Loads (ANSI/HI 9.6.2)

In this revision, the committee developed new content on nozzle load evaluations including: mechanical pipe strain forces, hydraulic pressure reaction forces, thermal growth or contraction forces, pump casing stresses and deformation, relative movement between stationary and rotating components, shaft misalignment, hold down bolts, base plate stresses and deflection, and anchor-bolt stresses. In addition, normative content was either added or updated to address material adjustment factors related to temperature.

This standard includes recommendations for assessment of applied nozzle loads for the following pump types. When specified by the user, pumps supplied shall conform to these requirements.

  • Horizontal end suction single stage (ASME B73.1 and ASME B73.3).
  • Vertical in-line single stage (ASME B73.2).
  • Axially split one and two stage (BB1).
  • Vertically suspended pump single casing discharge through column with diffuser and volute (VS1 and VS2).

Many other pump types are not included because of the different designs that are unique to each manufacturer. For pump types outside the scope of this standard, allowable nozzle loads should be established by the pump manufacturer, applied nozzle loads predicted by the purchaser, and differences, if any, negotiated and resolved by the two parties.

For assessment of applied nozzle loads for slurry pumps, see HI 12.1-12.6 Rotodynamic (Centrifugal) Slurry Pumps for Nomenclature, Definitions, Applications, and Operation.

Product Details

Published:
08/16/2021
ISBN(s):
9781935762997
ANSI:
ANSI Approved
Number of Pages:
61
File Size:
1 file , 910 KB
Note:
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