PTFE/graphite packing with lubricants

  • Pure, unsintered and expanded PTFE yarn diagonally braided with incorporated graphite.
  • Smooth, volume stable and very low friction. Very good chemical resistance.
  • Shaft-friendly pump packing for high peripheral speeds (low heat expansion).

Article Number

2729

Material

2729

Profile

PG/PR

Description

Operating Data

Temperature (min)
-269 °C
Temperature (max)
260 °C
Density approx. (g/cm³)
1.6 g/cm³
Material structure
ePTFE- Graphit
Waterproofing
PTFE
Lubricant
ja
K-factor
0.9

Fields of Application

Piston pump (Vg)
2 m/s
Piston pump (p)
250 bar
Impeller pump (Vg)
25 m/s
Impeller pump (p)
25 bar
Valves (Vg)
2 m/s
Valves (p)
100 bar

Applications

abrasive and sticky media
limited suitability
Water, Process water, Lake water
suitable
Hot water, boiler dining water
suitable
Vapors, acid gases, nitrogen
suitable
Oxygen
not suitable
Mineral oils, animal fats
suitable
Heat carrier oils, synthetic oils
suitable
Alcalia diluted, salt solutions
suitable
Alcalia concentrated
limited suitability
Inorganic acids diluted, salt solutions
suitable
Inorganic acids concentrated
suitable
Solvents, other organic compounds
suitable
Lacques, colors (silicone -free)
not suitable

Forms of delivery

Ready-to-install, compression-molded packing rings made to measure; as complete packing sets; sold by the meter in boxes;
1 kg
4 - 7 mm vkt.
2 kg
8 - 11 mm vkt.
3,5 kg
12 - 14 mm vkt.
5 kg
15 - 19 mm vkt.
10 kg
ab 20 mm vkt.