A high performance packing that absorbs the eccentric action of worn shafts, spindels and bearings. It has a central core of temperature resistant elastomer.

This square sectioned packing is cross-plaited with tough aramid fibres at the corners to resist abrasion and wear. PTFE/graphite yarn at the centre of each side dissipates heat and presents a low friction face to the shaft or spindle.

Typical applications

Valves and pumps handling abrasive and aggressive slurries in pulp and paper mills, petrochemical plants, sewage works, metallurgical plants and china clay works. Also suitable for potable water, and steam.


  • WRAS approved for use with cold and hot potable water at up to 85°C.

Prime features

  • Excellent abrasion resistance.
  • Superior compression and recovery characteristics with out-of-true shafts and spindles.
  • Excellent extrusion resistance.
  • Low shaft wear.

Chemical properties
Compatible with media in the range pH 2-13, including water, steam, fuels, oils, solvents, waxes, and mild acids and alkalis.

Service capabilities – valve stem duties
Maximum operating temperature:  +260°C
Minimum operating temperature:   -50°C.
Maximum system pressure:            25MPa.

Service capabilities – centrifugal pumps and rotary equipment
Maximum operating temperature:  +260°C
Minimum operating temperature:   -50°C.
Maximum shaft speed:                     20m/s.
Maximum system pressure:            2MPa.

Service capabilities – reciprocating pumps and rams
Maximum operating temperature:  +260°C
Minimum operating temperature:   -50°C.
Maximum rod speed:                        2m/s.
Maximum system pressure:           10MPa.

How supplied
Ex-stock: all popular square sections from 6.5mm to 25mm, in boxes containing 8m. Also supplied as split preformed rings and sets. Full fitting instructions are included.


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