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HEF Groupe
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  5. HEF DURFERRIT - Model PEL - Bushings ...

HEF DURFERRIT - Model PEL - Bushings for Industrial Applications

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PEL® bushings are engineered with advanced duplex surface treatment and a unique hatching topography, enhancing resistance to wear, seizure, and abrasion. This design incorporates grease reservoirs in critical areas and aids in the removal of abrasive particles, making them suitable for challenging environments characterized by high pressure and corrosion. The PEL® LV variant offers high performance under static loads with small oscillations, excluding cross hatching on the ID. Optimal performance requires a mating shaft with surface roughness below Ra 0.8 μm and hardness above 56 HRC. PEL® bushings extend lubrication intervals up to 50 hours, depending on specific working conditions. They find applications across industries such as steel, glass, construction, railways, agriculture, and other production sectors.
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PEL® bushings have an excellent resistance to wear and seizure thanks to the combination of a duplex surface treatment and a special surface topography.

This cross hatching topography provides grease reservoirs in the loaded area and enables removing of abrasive particles.

They are appropriated to work in severe working conditions: high pressure, abrasion, shocks and corrosion.

PEL® LV bushings are an alternative with no cross hatching on the ID. They offer really good performances (wear and seizure resistance…) under high static loads (low dynamic pressure) and by small oscillating movement.

 

For optimal performances of the joint, the surface roughness should be inferior to Ra 0.8 μm and the hardness should be superior to 56 HRC. For optimal performances, special shafts are available from HEF DURFERRIT: PEL® ST, PEL® STC.

Interval of lubrication up to 50 hours (depending on the working conditions)
Excellent resistance to seizure and wear
Excellent distribution of the grease on the entire friction surface

Steel industry
Glass industry
Construction equipment
Railways
Agriculture
Production equipment