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ISO/TR 19688:2019

Rotodymanic pumps - Hydraulic performance acceptance test using a model pump
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ISO/TR 19688:2019

Rotodymanic pumps - Hydraulic performance acceptance test using a model pump

PUBLISH DATE 2019
ISO/TR 19688:2019

This document describes hydraulic performance tests (including cavitation tests) using a small size pump (centrifugal, mixed flow or axial pump, hereinafter referred to as a "model pump").

This document is used for pump acceptance tests with a geometrically similar model pump to guarantee the performance of a large size pump manufactured for practical use (hereinafter, a "prototype pump"). This document, however, does not preclude a temporary assembly inspection or other tests on the prototype pump.

Moreover, it is preferable to conduct the tests with prototype pumps unless one of the following conditions applies:

  • the capacity of the pump, namely its flow rate and/or its power input, is beyond the limitations of the test facility, though it is difficult to set a criterion for carrying out a model pump test instead of the prototype pump test in terms of the volume rate of flow or the power input,
  • a part of the pump is to be constructed by concrete walls and reproduction of the whole assembly is impractical,
  • model tests are specified by the purchaser, or
  • it is difficult to carry out the prototype pump test due to any other reasons.

This document applies to performance tests under steady operating conditions corresponding to the prototype pump.

SDO ISO: International Organization for Standardization
Document Number ISO/TR 19688
Publication Date Jan. 1, 2019
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 115/SC 2
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