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 […]
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.
5,000 psi seal test directed at rotating cement head operating conditions
Introduction to rotating cement heads One of the critical steps in completing an oil or gas well is pumping cement into the well annulus that is located between the casing […]
A new chapter on side port swivels has been added to our rotary seal handbook
A new chapter titled “Using Kalsi Seals in side port swivels” has been added in the Application Engineering section of our rotary seal handbook. This new, well-illustrated chapter describes the […]
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 […]
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 […]
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 […]
Plastic Lined Kalsi Seals™ reduce breakout torque at 1,000 psi
Some large diameter equipment, such as hydraulic swivels and passive rotating control devices (RCDs), has limited available torque to initiate rotation. When limited available torque is combined with higher pressure […]
Choosing the right seal material
Introduction Most Kalsi-brand rotary seals are offered in a choice of materials with no single material being appropriate for all applications. Material selection often involves tradeoffs. Understanding the basic attributes […]
