Hydrodynamic rotary seals
03 June 2009
Kalsi Seals from Kalsi Engineering are a family of one-piece rotary seals that provide hydrodynamic lubrication to minimise seal and shaft wear, running torque, and seal-generated heat, and permits higher pressure and speed combinations. They are used for lubricant retention and contaminant exclusion. The lip design excludes environmental abrasives.
Hydrodynamic rotary seals
They were originally developed for the harsh and unforgiving oilfield downhole drilling environment, and provide an effective solution to the severe service conditions found in many different industries. The seals are suitable for transient conditions that cause mechanical face seals to fail or leak excessively, such as frequent starts/stops, pressure fluctuations, shock and vibration, and temperature changes. The compact, one-piece seal design is installed in a simple O-ring type groove.
Seals are stocked in diameters ranging from 0.394" (10 mm) to 17.500" (444.5 mm). Custom diameters and cross-sectional sizes can also be provided if desired.
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