Introduction to BDRP swivel seals BDRP seals (Bi-Directional Rotation and Pressure) are patented rotary seals engineered to generate hydrodynamic lubrication with high differential pressure acting from either side and with […]
Kalsi Engineering's blog
KEI’s Continued Support of the International Nuclear Power Industry
Ryan Sicking of Kalsi Engineering was a presenter at the CANDU Owners Group virtual conference. The CANDU Owners Group was attended by plant engineers, valve manufacturers and other service providers. […]
2,500 psi Tests of Mud Motor Seals at 285°F and 250 sfpm
Introduction to Extra Wide mud motor seals The Extra Wide Hybrid Seal™ was developed so that oilfield mud motor sealed bearing assemblies can benefit from the advantages of a much […]
BDRP Seals™ for the fluid power industry
Introduction BDRP Seals are featured in the September 17, 2020 “Fluid Power Journal” article “Kalsi Engineering Releases New Class of High-Pressure Seals”. The article focuses on the pressure and […]
8.434” BDRP-type rotary seals install easily without a removable groove wall
Rotary seal installation testing This is a follow-up to our July 14, 2020 blog “Exploring installation of -318 Plastic Lined Seals™ in one-piece seal grooves”. In that blog we noted […]
A revision of the Kalsi Seal Handbook™
Our online seal handbook, which provides guidelines for implementing Kalsi-brand rotary shaft seals in rotating equipment, has been revised. Highlights of the revisions follow. Chapter D7 “Extrusion gap considerations” — […]
Exploring installation of -318 Plastic Lined Seals™ in one-piece seal grooves
We are continuing to explore the installability of Plastic Lined Kalsi Seals™ made with the stiff and highly extrusion resistant -318 seal material combination. Our literature currently reports, “We were […]
A high pressure oil seal test with an ISO 46 viscosity grade lubricant
Kalsi Engineering has been conducting 10,000 psi tests directed at increasing the pressure capacity of hydraulic swivels, washpipe assemblies, and similar applications. Our previously reported 320-hour and 368 hour tests […]
Video of a 368-hour, 10,000 psi washpipe test
Plastic Lined Kalsi Seals™ have the most pressure capacity of any polymeric rotary shaft seal. This video explains why. We are pleased to announce a new video (above) […]
Testing Hybrid mud motor seals with increased compression
In late 2019 we blogged about concentric and eccentric testing of Kalsi-brand rotary seals with dynamic lips that were significantly wider than those of our 507-series Wide Footprint Seals™. The […]