Kalsi Seals Handbook™

Kalsi Seals Handbook
The Kalsi Seals Handbook contains hundreds of pages of useful information about seals and sealing.

Seals and sealing technical data, implementation guidelines, & more. Search the handbook

The Kalsi Seals Handbook includes rotary seal implementation and troubleshooting guidelines, with a special emphasis on oilfield seals and sealing applications.  It represents the collective wisdom of our senior staff members, who have many decades of experience in solving seal implementation challenges.  As such, it is an invaluable reference manual for existing customers, and for individuals who are interested in using our rotary seals.

The handbook is based on individually revisable chapters, which are hyperlinked below.  This format facilitates periodic updating, and avoids unmanageably large file sizes.  We recommend that you use the handbook directly from the website, so that you can always be sure of referencing the most up to date rotary sealing information. For a list of seal styles and sizes, see our shaft seal catalog.

Contact us to know more information about our handbook.

Chapter/SectionRevisionIssue Date
Front matterRevision 5101-30-2025
Overview
A1IntroductionRevision 601-30-2025
A2Other Kalsi Engineering productsRevision 309-24-2015
A3Kalsi Seal application examplesRevision 410-16-2020
A4How to use this seal handbookRevision 309-30-2020
A5Quality management systemRevision 507-29-2020
Elastomer Materials
B1Elastomer selection considerationsRevision 801-30-2025
B2HNBR seal materialRevision 701-30-2025
B3FKM seal materialRevision 701-30-2025
B4FEPM seal materialRevision 309-30-2020
Catalog & Technical Data
C1Ordering informationRevision 406-22-2017
C2Standard Kalsi Seals™Revision 303-04-2016
C3Wide Footprint Kalsi Seals™Revision 510-16-2020
C4Axially Constrained Kalsi Seals™Revision 303-22-2018
C5Enhanced Lubrication Kalsi Seals™Revision 1104-04-2022
C6Hybrid Kalsi Seals™Revision 502-25-2021
C7BDRP™ Rotary Shaft SealsRevision 701-30-2025
C8Dual Durometer Kalsi Seals™Revision 209-30-2020
C9Filled Kalsi Seals™Revision 111-04-2013
C10High Film Kalsi Seals™Revision 111-04-2013
C11Grooved Kalsi Seals™Revision 111-04-2013
C12Kalsi Seal breakout torqueRevision 711-19-2019
C13Seal testing & supportRevision 410-12-2020
C14Hydrodynamic PV limitRevision 309-24-2015
C15High pressure washpipe packingRevision 301-10-2019
C16Plastic lined Kalsi Seals™Revision 603-26-2021
C17KLS® high pressure lip sealsRevision 410-14-2020
C18Overview of high-pressure Kalsi SealsRevision 301-30-2025
C19Face sealing plastic backup ringsRevision 007-28-2020
Engineering
D1Engineering overviewRevision 302-22-2016
D2The shaft running surfaceRevision 508-06-2019
D3Seal installation pathRevision 410-14-2020
D4Shaft deflection, runout, vibration, and axial motionRevision 601-10-2019
D5Kalsi Seal gland guidelinesRevision 712-05-2019
D6Small diameter sealsRevision 409-30-2020
D7Extrusion gap considerationsRevision 506-30-2020
D8Heat transfer considerationsRevision 403-29-2016
D9Preventing skew-induced wear of non-ACS SealsRevision 601-10-2019
D10Barrier sealsRevision 508-08-2019
D11Reservoirs for pressurized seal lubricantRevision 810-12-2020
D12Miscellaneous lubricant related informationRevision 301-04-2019
D13Preventing seal pressure lockingRevision 508-01-2019
D14Shaft guided compensation pistonsRevision 506-29-2020
D15Integral journal bearingsRevision 406-29-2020
D16Axially force balanced, laterally translating seal carriersRevision 408-01-2019
D17Axially force balanced, laterally floating backup ringsRevision 506-29-2020
D18Pressure stagingRevision 306-24-2020
D19Seal assembly and disassembly guidelinesRevision 810-12-2020
D20Bearings mistakes to avoidRevision 501-04-2019
D21Sticky drawer effectRevision 209-30-2020
Application Engineering
E1Using Kalsi Seals in RCDs with lubricant overpressureRevision 710-29-2019
E2Using Kalsi Seals in hydraulic swivelsRevision 710-16-2020
E3Using Kalsi Seals in mud motorsRevision 510-12-2020
E4High pressure washpipe assembly with integral reservoirRevision 205-23-2018
E5Using Kalsi Seals in extreme pressure side port swivelsRevision 207-21-2020
E6KLS seals in RCDs without lubricant overpressureRevision 107-31-2019
E7BDRP Seals™ in RCDs without lubricant overpressureRevision 005-20-2020
Appendices
1Unit conversionsRevision 312-09-2015
2Width prediction of installed Kalsi SealsRevision 309-30-2020
3Abbreviations and mathematical variablesRevision 610-09-2018
4Rotary seal application questionnaireRevision 404-01-2021
Disclaimer

USE THE LITERATURE ENTIRELY AT YOUR OWN RISK. THE LITERATURE IS PROVIDED “AS IS”, “WITH ALL FAULTS”. KALSI ENGINEERING MAKES NO WARRANTY, EXPRESS, OR IMPLIED REGARDING THE LITERATURE, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, PERFORMANCE, AND FITNESS FOR A PARTICULAR USE OR PURPOSE. KALSI ENGINEERING (INCLUDING ITS AGENTS AND EMPLOYEES) ASSUMES NO LIABILITY WHATSOEVER FOR ANY LOSS OR DAMAGE OF ANY KIND OR NATURE THAT MAY RESULT FROM THE USE OF, REFERENCE TO OR RELIANCE ON THE LITERATURE, INCLUDING BUT NOT LIMITED TO CONSEQUENTIAL, SPECIAL (INCLUDING LOSS OF PROFIT), DIRECT, INDIRECT, INCIDENTAL OR SIMILAR DAMAGES, EVEN IF KALSI ENGINEERING HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.