MECHANICAL SEAL
It consists of a PTFE-filled sliding ring and a rubber O-ring as an enabling element. Depending on the diameter, the PTFE sliding sealing ring has one or two oil grooves to improve lubrication. As the end seal, it is recommended to provide a double-acting dust ring as protection. It is very suitable for applications such as sealing slewing bearings, slewing joints, hose reels, indexing plates, machine tool hydraulic systems, etc. By choosing different sliding ring materials and O-ring materials, it can be used in a wider range of applications, especially corrosive media and high and low temperature environments.
Material |
Color |
Hardness |
Work Temperature |
Density |
Elongation at break |
Tensile StrengthTest |
/ |
/ |
Shore D |
ºC |
g/cm³ |
% |
N/mm² |
Standard |
/ |
DIN53505 |
/ |
EN ISO 1183 |
DIN53504/53455 |
Pure Tetrafluoroethylene |
PTFE |
White |
57 |
-200~260
|
2.17 |
300 |
27 |
80%TFE +15%Glass Fiber+5%Molybdenum Disulfide |
PTFE-1 |
Gray |
60 |
2.25 |
200 |
18 |
60%TFE+40%Bronze |
PTFE-2 |
Bronze |
64 |
3 |
280 |
22 |
75%TFE+25%Carbon Fiber |
PTFE-3 |
Black |
65 |
2.1 |
150 |
15 |
Improved Pure Tetrafluoroethylene |
PTFE-4 |
White |
59 |
2.16 |
360 |
30 |









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