Rotary Seal Blog

Announcing larger cross-section Wide Footprint Kalsi Seals

Wide Footprint Seals™ were designed to be directly interchangeable with the 0.335″ cross-section Standard Kalsi Seals that had originally been developed for use as rotary steerable tool and mud motor seals. With the enhanced durability resulting from a 50% wider dynamic lip and 0.010″ (38%) more radial compression than the older seal style, they quickly […]

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Announcing a new revision of the Kalsi Seal Handbook

The Kalsi Seal Handbook provides guidelines on how to implement Kalsi-brand rotary shaft seals in rotating equipment. It is a pdf-based e-book with individually revisable chapters linked from a web-based table of contents. This publication format streamlines the revision process and makes it easy to provide the most up to date information to our customers. […]

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Pushing the envelope of partitioning seal design

Kalsi Engineering just finished the inaugural testing of a radical new partitioning seal that was designed for mud-oil separation in oilfield power swivels and other lubricant overpressure-type rotating equipment. In such equipment, the pressure of the seal lubricant is maintained at a value that is slightly higher than the pressure of the abrasive drilling mud […]

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Sandhya Shankar joins Kalsi Engineering as an Engineering Specialist

  Sandhya Shankar joined Kalsi Engineering as an Engineering Specialist on September 17, 2018, and works at our Sugar Land, Texas office. Sandhya was born in Durgapur, India and raised in Chennai, where her parents still reside. She received her B.S. in Mechanical Engineering from the Anna University College of Engineering, India in 2007, received […]

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Roxanne Corona joins Kalsi Engineering as an Inventory/Production Specialist

  Roxanne Corona joined the Kalsi Engineering team at our Sugar Land, Texas office as on September 17, 2018. She joins the Seal Production Group as an Inventory/Production Specialist. Her initial role includes measuring, testing, and performing visual inspection of our various rotary shaft seal products, and documenting results in compliance with our quality management […]

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Installation testing of KLS-Brand RCD seals

Kalsi Engineering invests significantly in testing to better serve our customers. In many cases, this involves dynamic seal testing, but not always. We recently realized we were unable to advise our RCD seal customers whether a seal carrier has to have removable gland walls in order to permit damage-free installation of a KLS-brand RCD seal. […]

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Celebrating Ryan Sicking’s 20 years of service with Kalsi Engineering

Kalsi Engineering recently hosted a luncheon to celebrate Ryan Sicking’s 20 years of service with the company. His many contributions to our products and services have helped to make the company successful, and his personal traits have helped to ensure a positive work environment. He is known for his ability to get things done and […]

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Certification to the ISO 9001:2015 quality management standard

Because of the difficult conditions our rotary shaft seals are used in, Kalsi Engineering has always had strict quality policies for our sealing products and has always continually striven to improve those products and associated processes. Early in 2013, we embarked on the path of becoming an ISO registered company. That process, which was led […]

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A 200-hour lip seal test at 1,500 psi and 136 sfpm

We began marketing KLS® lip seals for 1,000 psi dynamic service in oilfield rotary heads after testing them at a speed that is equivalent to a 10.375” mandrel rotating at 200 rpm. We continue to explore the capacity of this unique seal, and have now completed two 1,500 psi tests. Both 1,500 psi tests were […]

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A 1,500 psi test of a high performance lip seal

We have just completed a 1,500 psi test of a KLS® seal at a surface speed of 136 feet per minute (Reverse Pressure Test No. 100). The test was performed with a 3.375” PN 668-4 seal. The rotary speed used in the test is equivalent to a 10.375” mandrel rotating at 50 rpm. Plans are […]

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