ESA Packings Division Research Paper presented at Pump Summit 2014

A paper describing the joint ESA/FSA research project into compression packing friction was presented at the ‘Pump Summit 2014’ which took place in Dusseldorf Germany from 2nd to 3rd December.

The paper entitled Investigating the Energy Efficiency of Compression Packings in Rotodynamic Pump Applications is co-authored by the ESA, FSA and CETIM and describes the work being carried out to establish the true frictional characteristics of packings.

It is widely believed that packings are inefficient in terms of energy consumption when compared to mechanical seals due to high frictional losses. Much of this perception is based on outdated products such as those based on asbestos and not modern types utilising sophisticated synthetic yarns such as ePTFE and aramids combined with complex lubricants.

Initial results from the friction testing on a dedicated rig built specifically for the purpose on both packings and mechanical seals were presented which challenge some misconceptions concerning packing energy efficiency and question the methods traditionally used to calculate packing friction.

ESA Technical Director David Edwin-Scott presenting the Paper

The full paper is available now to

Read Online


Running parallel to the Valve World Conference & Expo, Pump Summit 2014 was both an exhibition and conference which gave manufacturers, distributors, and users of pumps, compressors, and seals the opportunity to present their products to an international audience as well as share their knowledge and expertise.


ESA membership is open to companies involved with fluid sealing and has many benefits.

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