This document provides a method of describing the materials, impregnates and lubricants for various types of yarn and ribbon based packings intended for use as gland seals in mechanical equipment such as pumps, mixers, etc. This document is intended to serve as a guide for packing manufacturers, pump OEM’s and end users. It does not include similar products intended for other duties such as thermal insulation.
Guidance is also given regarding dimensional and physical quality aspects of the packings and requirements for packaging and marking.
Tests are specified for the determination of lubricant content, size and mass.
NOTE 1 The information supplied by the purchaser at the time of enquiry and/or order is given in Annex B.
NOTE 2 All packings are free from introduced asbestos fibres in conformance with Annex XVII of REACH.