Kalsi Seals® are a family of patented, one-piece rotary seals that provide hydrodynamic lubrication to minimize seal and shaft wear, and to accommodate high differential pressure.

Kalsi Seals are a family of patented, one-piece rotary seal designs that provide hydrodynamic lubrication to minimize seal and shaft wear, and to accommodate high differential pressure. They are used for lubricant retention and contaminant exclusion.

Kalsi Engineering’s rotary shaft seal product line consists of several patented styles that address a variety of sealing challenges. For the most up-to-date lists of available styles and sizes, click on the catalog links below.

Mar 1, 2020 · Kalsi Engineering is pleased to announce the latest innovation in high pressure rotary sealing. Our patented floating metal backup ring promotes maximum high-pressure seal performance by moving laterally to accommodate shaft runout and misalignment while providing the smallest possible extrusion gap clearance.

Kalsi Seals are a family of rotary shaft seals for contaminant exclusion and lubricant retention in harsh service conditions such as environmental abrasives, high differential pressures, and high levels of shock and vibration.

Sep 17, 2020 · Kalsi Engineering offers a new class of extreme-pressure oil seals it created by combining wave-based rotationally driven interfacial lubrication, high-performance extrusion resistant plastics, and new manufacturing techniques and seal carrier designs.

Oct 1, 2005 · The Kalsi seal was originally designed for some specific oil-field rotary seal duties operating in aggressive oil and mud environments. The seal is also expected to be very compact, and many of the original equipment designs were based on using an O-ring as the rotary seal.

Oct 11, 2018 · This video provides a brief overview of the features and performance characteristics that enable Kalsi-brand rotary shaft seals to withstand high differentia...

Jan 30, 2025 · Kalsi Engineering's seal handbook provides rotary seal implementation and troubleshooting guidelines, with an emphasis on oilfield applications.

Front Matter Kalsi Seal Handbook - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document is the Kalsi Seals Handbook published by Kalsi Engineering, Inc. It provides contact information for Kalsi Engineering and lists key personnel.