Dry Gas Sealing Systems

Attendees must bring a laptop to the course. Materials will be distributed on USB sticks and via Filex.

Course Description

This 2.5-day course considers major aspects of Dry Gas Seal Systems applications and operation. Course material provides a review of dry gas seal theory, an in-depth analysis of system application and design, and a guide to seal and system component selection. Content also provides an overview of system reliability, safety and troubleshooting. The agenda is set to include: sealing of centrifugal compression equipment, dry gas seals – physical and engineering principles of operation and design, requirements to sealing medium – its conditioning and control, examples of application, dry gas seals retrofits, and lastly dry gas seals failures and troubleshooting.


Vladimir Bakalchuk – Global Technology Transfer Lead at Flowserve Corporation. With over 35 years of experience in various fields of the Oil and Gas Industry, Vladimir has spent over 20 years specializing in Dry Gas Seal / Rotating Equipment. Vladimir predicated his career in various technical capacities by the Ukrainian Academy of Sciences, Mechanical Engineering Department of the University of Calgary, Brown-Root-Braun, Nova Gas Transmission, Canadian Fracmaster, Revolve Technologies and John Crane. Vladimir is a registered Professional Engineer in the province of Alberta, Canada.

Jim McCraw is a Senior Rotating Equipment Engineer with BP America, Inc., Operation Efficiency Group in Houston, Texas. In his 30 years with BP and Amoco he has worked in machinery engineering, project support, plant maintenance, and machinery operation. In his position, he is responsible for new equipment specifications, technology applications, research and development, and failure analysis for a variety of centrifugal compressors, dry gas seals and systems, pumps, gas turbines, and gas engines. He holds a BSEE from Finlay Engineering/University Missouri and is a member of the Missouri Society of the National Society of Professional Engineers.

Rich Hosanna is Manager of T28 Applications Engineering for John Crane. In his 31 years at John Crane, Rich has held many positions within Applications and Design Engineering, with 25 years specific to Dry gas Seals. In his current position, he is responsible for product & process standardization necessary to support our customer base around the globe. Mr. Hosanna is also an active member of the API 692 task force created to address Dry Gas Seal and Systems and is the holder of three US patents associated with the sealing industry.