• Rotodynamic Submersible Pumps: for Hydraulic Performance, Hydrostatic Pressure, Mechanical and Electrical Acceptance Tests (ANSI/HI 11.6-2017)

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Item #: B126
Member Price: $75.00
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Description  more details

Scope of Standard: This standard applies to customer acceptance testing of rotodynamic submersible pumps driven by electric motors, unless otherwise agreed or specified. A submersible pump is defined as a close-coupled pump/motor unit designed to operate submerged in the pumped liquid. This definition includes submersible pumps operating in either a wet-pit or dry-pit environment.  Excluded are deep well pumps, progressive cavity pumps and pumps not powered by an electric motor.  A standard test measures pump performance from pump inlet to pump outlet and electrical input power. It does not include accessory items, such as outlet elbows, inlet fittings, or valves, unless specified by a contractual agreement. This standard also includes the acceptance criteria for original equipment manufacturer (OEM) factory and permanently installed pump vibration testing.

New to Standard

  • The scope was expanded to include fractional and direct current motors.
  • Symbols and equations are harmonized with ANSI HI 14.6
  • Revised the default acceptance grades to 1U for permitted municipal water
  • Added an informative appendix that  provides examples to aid in the calculation of instrumentation uncertainties.


Applicable Markets:  Pulp and paper, mining, wastewater as well as any industrial or residential application that must submerge a pump at the bottom of a well or chamber to pump out fluid or other viscous material.

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ISBN: 978-1-935762-47-8
Pages: 88
Approval Date: 2017
Table of Contents: View in PDF format
Also available in secure PDF: View now

Content: Review model tests, sample problems and formulas covering three levels of acceptance tests: grade 1 with tighter tolerance band that can be applied in three acceptance grades (1U, 1E, and 1B); grade 2 with a broader tolerance band can be applied in two acceptance grades (2B and 2U); and grade three (3B) with an even broader tolerance band. Acceptance grades 1U and 2U allow no negative tolerance. When acceptance test grade or tolerance band is not specified, this standard includes default acceptance grades based on specific applications and driver rated power.

Hot Link to TOC: http://www.pumps.org/estore/stdi/11.6a.pdf

Who Should Buy This Standard:  Test lab managers who must know how to set up labs for pump testing, determine instrumentation needed for testing and record test data to show results. End users and OEMs who need to understand what test tolerances are necessary for their application. 

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