Thermoflon SL 6230/SL

Thermoflon SL 6230/SL

Thermoflon SL 6230/SL


Thermoflon SL 6230/SL is a diagonally braided packing made from graphite-incorporated PTFE yarn with additional lubricant. With its universal structure, the packing is used in almost every branch of industry.


  • Treats shafts gently
  • Extremely low friction coefficients
  • No stick-slip effect
  • Highly flexible
  • High volumetric stability
  • Outstanding functional efficiency
  • Very high thermal conductivity
  • No embrittlement
  • Does not age

Operating range

Pressure: p = 25 bar
Sliding velocity: vg = 20 m/s
Valves Pressure: p = 100 bar
Sliding velocity: vg = 2 m/s
Plunger Pumps
Pressure: p = 250 bar
Sliding velocity: vg = 2 m/s
Mixers, agitators, kneaders, filters
Pressure: p = 25 bar
Sliding velocity: vg = 2 m/s

  • Continuous operation:
    t = -200 °C ... +280 °C (-328 °F ... +536 °F)
  • Hot water:
    without cooling ...+140 °C

Chemical resistance:
pH = 0 ... 14
Not suitable for use in hot steam or abrasive media.


6230/SLAK (braided in AK-profile)


For sealing hot water pumps, the required leakage must always emerge in liquid form in order to lubricate the packing. The compression packing will have to be cooled via a lantern ring or a jacket, gland or shaft cooling system if the heat radiation via the stuffing box housing is not sufficient.

Forms of supply

  • Sold by length, blank cuts, precompressed rings with straight or slanted cut
  • Box contents
    up to 6,35 mm: 1 kg
    7 - 10 mm: 2 kg
    11 - 13 mm: 3 kg
    14 - 24 mm: 5 kg
    from 25 mm: 10 kg

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Technical Datasheet SL TDB 6230