Section 15 Pumps
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 2 Machinery and Engineering Systems - Part 7 Piping Systems - Chapter 1 Piping Design Requirements - Section 15 Pumps

Section 15 Pumps

Parent topic: Chapter 1 Piping Design Requirements

15.1 General

15.1.1 The design, construction and operational capability of all pumping units is to be suitable for operating conditions in Vol 2, Pt 1, Ch 3, 4 Operating conditions. The selection of pumping units is to recognise the following details:

  1. Pump characteristic and required duty.

  2. Performance if required to perform a secondary duty.

  3. Pumped fluid and its temperature ranges.

  4. Maximum discharge pressure head from the pump and design pressure of piping system.

  5. The size of air pipes and capacity of air pipe heads fitted to tanks which can be pumped up.

  6. The need to fit relief devices to pumps and piping systems.

  7. Maximum permissible fluid velocities in the piping system to avoid erosion and damage to valve seats and other fittings.

  8. Minimum fluid velocities to avoid fouling and subsequent pitting.

15.1.2 Pumps employed in bilge pumping systems are to have a means of priming and this is to be independent of the pump sea inlet connection.

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