test This video highlights extreme high pressure rotary oil seal testing. The test was conducted at 141.4 sfpm (0.72 m/s) with an ISO 68 viscosity grade oil at 9,500 to […]
Category: Kalsi Seals
A new way to address circumferential seal slippage
Circumferential slippage of a seal relative to a housing can produce undesirable effects, such as increased seal and housing temperature and seal and housing wear. Kalsi Seals incorporating anti-rotation tangs […]
Announcing the release of KVAP® Version 4.2
Kalsi Engineering is excited to announce the release of Version 4.2 of the Kalsi Valve and Actuator Program (KVAP™) software. KVAP 4.2 is a culmination of a multiyear project to […]
A 1,500 psi rotary seal test with a 0.020” radial extrusion gap clearance
Our Super Wide™ rotary seals were designed for partitioning oil from drilling fluid in lubricant-overpressure types of equipment such as power swivels, where the lubricant pressure is intended to be […]
Join us at the 2021 Offshore Technology Conference (Houston)
The 2020 Offshore Technology Conference (OTC) has been canceled due to the COVID-19 pandemic. Kalsi Engineering invites you to join us at OTC 2021. Rotary Seals – Stop by our booth […]
Rotary seal testing at 9,400 psi
In previous posts, we described testing a 2.75” rotary seal at 1,890,000 PV for 1,000 hours (7,500 psi at 252 feet/minute) and testing a 4.50” rotary seal test at 9,800 […]
A luncheon honoring retirees Bahir Eldiwany and Daniel Bubela
Kalsi Engineering hosted a luncheon at Fernando’s restaurant on December 17, 2018 to honor Engineer Bahir Eldiwany, PhD, P.E. and Laboratory Technician Daniel Bubela on the occasion of their retirement. […]
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 […]
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 an e-book with individually revisable chapters linked from a web-based table […]
Pushing the envelope of mud seal design
Kalsi Engineering just finished the inaugural testing of a radical new partitioning seal that was designed for mud-oil separation (mud seal service) in oilfield power swivels and other lubricant overpressure-type […]