Now SAP Parts™ proposed a new type of unitized arrangement of metal face seals, with flexible fixing system which allows it to tolerate both vibration and excessive shaft deflection. Static and rotating seal parts exposed to mud, slurry have been geometrically harmonized to minimize turbulence and secondary flow streams, thus reducing wear in high RPM applications. Patented design with the elastomers located on the atmospheric side, protected from both mud and barrier liquid, eliminates hang-up problems or clogging of the O-Rings.

The design also accepts axial variations up to 85% higher than that of conventional lip seal designs enabling operators to take advantage of SAP Parts axial adjustment features without resetting the assembly. Unitized Mechanical Face Seals for Tractor applications are supplied with metal parts in alloy steel and the loader Rings of elastomers, that can withstand temperature as high up to 150 °C and seal faces in a unique proprietary Cast alloy Iron grades and hardened to 62Hrc.
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