Installation Considerations For Suction Pipes

Author: Nirav Patel

Suction Pipes are specially designed rigid hoses that typically find application in drafting operations. They are meant for water supply from unpressurized sources such as pool, portable water tank. These pipes exhibit excellent properties to withstand vacuum, and that’s why they are perfect choice for water drafting applications.

Depending on the application, any specific type of Suction Pipe can be used. But the users must ensure that the installation of the Suction Pipes must be done in accordance with the right, mandatory practices.

Why Follow Good Installation Practices For Suction Pipes?

If Suction Pipes are not installed keeping in mind the requisite standards and practices, chances are that several off-putting consequences may take place. Here are some of the problems that might occur on improper installation of Suction Pipes:

  • Axial load variations or fluctuations
  • Extreme equipment vibration
  • Noisy driver and pump
  • Untimely bearing failure of the driver and pump
  • Untimely failure and wear of the pump components particularly the pump’s wear rings and mechanical seal
  • Cavitation damage on the inlet of the casing and impeller
  • Leakage in the flanges
  • Cracking of the casing or flanges

To avoid all such damaging consequences, it is important that the pipes are installed in compliance with the industry defined practices. Besides, the installation must be done by the professionals.

The Important Installation Considerations For Suction Pipe:

There are several important factors that must be taken into account while installing Suction Pipes; some of them are:

  • The average gap between the pipe supports should be set at least seventy percent of the typical pipe length for the first mode.
  • It is also suggested that the support of the Suction Pipes from the pump should be positioned at a distance of at least 1/3 of the typical pipe length.
  • The vital components of the piping system mainly including the valves should be suitably supported. For instance, the non return valve and gate valve and the pipe up to non return valve must be supported in a manner that the non return valve can be removed easily without loading the adjoining piping system.
  • The waterfront should firmly absorb and withstand the shut off pressure driven load of the pump.

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