PD CEN/TR 13931:2009

1 Scope
2 Normative references
3 Responsibilities of manufacturer and purchaser
  3.1 General
  3.2 Design considerations
4 Criteria adopted in setting limiting forces and moments
  4.1 Shaft-end movement
  4.2 Distortion of the pump casing
  4.3 Validity of force and moment values - Effects of
      materials and temperature
5 Horizontal shaft pumps
  5.1 Definition of pump families and summary of features
  5.2 Calculation of maximum permissible forces and moments
  5.3 Maximum permissible forces and moments on
      standardised or modular pump families
      5.3.1 General
      5.3.2 Composition of forces and moments
      5.3.3 Possibility of adapting the tables to
            other pumps of similar design
  5.4 Other horizontal pump families
  5.5 Practical considerations for horizontal shaft pumps
6 Vertical shaft pumps
  6.1 Definition of pump families and summary of features
      6.1.1 Installation types
      6.1.2 Position(s) of flange(s)
  6.2 Calculation of maximum permissible forces and
      moments
  6.3 Maximum permissible forces and moments on
      pump flanges
      6.3.1 General
      6.3.2 Suspended shaft pumps generally used for
            transporting water ("for water")
      6.3.3 "In line" pumps
  6.4 Practical considerations for vertical shaft pumps
Annex A (informative) - Horizontal shaft pumps - Calculation
        of forces and moments for reinforced and/or concrete
        mountings for families 2, 3.B, 3.C, 5.A, 5.B, 6, 7
        and 8
Annex B (informative) - Specifications relating to additional
        possibilities
  B.1 General
  B.2 Horizontal pumps only
      B.2.1 Pump stopped
      B.2.2 Reinforced and/or concrete mounting
  B.3 Horizontal and vertical pumps
      B.3.1 Prestressing on the pipework
      B.3.2 Weighting or compensation formula
      B.3.3 Limit of accumulation of possibilities
Bibliography

Gives information for the calculation of maximum permissible forces and moments allowed on the flanges of various types of horizontal and vertical shaft rotodynamic pumps, caused by the reaction to pipework that is rigidly connected to the installation.

This CEN Technical Report provides information for the calculation of maximum permissible forces and moments allowed on the flanges of various types of horizontal and vertical shaft rotodynamic pumps, caused by the reaction to pipework that is rigidly connected to the installation. This document does not take into account the effect of any elastic or deformable linkages, such as bellows, elastic joints, self butting sliding joints, etc.

This CEN Technical Report is not applicable to multistage monobloc pumps, whose outlets are remote from the installation plane, or to horizontal shaft pumps mounted vertically for installation reasons, such as, fixing to a vertical wall.