VNCI shares best practices on pump controls
17 Aug 2017

Given the significant amount of electric power consumed by pumping systems, even small improvements in pumping efficiency could bring very significant savings of electricity. The Association of the Dutch Chemical Industry (VNCI) has put together a set of key advices to make the best use of pumping systems.

The importance of flow strategy

The first step to achieve energy efficiency in pumping system is to mark the end-use. The end-use will be key to then be able to match the pump to requirements by adopting proper flow control strategies. Common symptoms that indicate opportunities for energy efficiency in pumps are given in the table below.

Types of flow control

VNCI best practice document provides a description of the main existing controls. There are 6 main types of flow control:

  1. Stop/start control
  2. Flow control valve
  3. By-pass control
  4. Pumps in parallel switched to meet demand
  5. Impeller trimming
  6. Variable Speed Drives (VSDs)

You can find descriptions of the different controls and more details within the following document: VNCI Best practice on pump control

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