Packings
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Description
Mechanical gland packings provide a traditional, simple and cost effective way to seal pump shafts and valve stems. Development in fibres, lubricants and braiding technology have been combined to improve the performance of packings and enable suitable types to be utilized as variable alternatives to mechanical shaft seals in many applications.
By selecting the appropriate gland packing and with correct installation, gland packings provide a controlled sealing solution, minimising equipment wear, down-time and running costs.
Impregnation
Packings are ( depends on specific type ) impregnated by Graphite or PTFE
Lubricant
Silicon and so on .
Structure
They are knitted, the most common way is diagonal, but can be extruded even in a round profile.
Materials
Graphite
- Graphite Graphite tape
Teflon
- PTFE, gPTFE , PTFE-extrud
Teflon aramid
- PTFE -Aramid
Aramid
- Aramid, spunAramid
Glass fibre
Others
- Acrylate, Ramie, Polyimid