Rotary Seal Blog

Blogging is a way for Kalsi Engineering to provide up to date information more quickly than we can through traditional information channels like our seal handbook and static web pages. Here you will learn how we are working to solve industry problems through posts about new rotary seal products and posts about testing directed at specific industry problems and applications. You will also learn about the people who make it all happen, as we highlight the achievements and milestones in their lives. Visit our blog for the latest information on Kalsi-brand rotary seals and other Kalsi Engineering products and services.

New rotary seal simplifies equipment design

Kalsi Engineering introduced the 673 series Axially Constrained Seal™ (ACS) in a blog entry in October of last year. We have continued testing this advanced rotary seal in conditions that […]

Read more

A video tour of our seal testing lab

This is a video tour of our rotary shaft seal testing facility. Tests are planned and directed by the team of engineers who are responsible for developing and supporting our […]

Read more

7,500 psi 1,000 hour rotary seal test

Introduction The high pressure washpipe assemblies used in oil well drilling are subjected to difficult sealing conditions. A conventional washpipe packing fails in only a few hours when subjected to […]

Read more

40 day 5,000 psi rotary seal test with 0.010” runout

Kalsi Engineering is pleased to announce a new benchmark in high pressure rotary seal performance. A pair of PN 655-4-114 Extra Wide Enhanced Lubrication Seals™ have been tested at 5,000 […]

Read more

A new advancement in Axially Constrained Seals™

After several years of development, Kalsi Engineering is pleased to announce a new line of 0.335” (8.51mm) cross-section Axially Constrained Seals: The 673 series. This new series offers improved abrasive […]

Read more

RCD seals that do not require lubricant overpressure

Kalsi Seals-brand rotary seals have been used in rotating control devices (RCDs) for many years. Prior to this year, however, usage has been restricted to lubricant overpressure type RCDs, where […]

Read more