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Improved Construction of End Closure Seal Using D-Shaped Shearing Bolted Connection for Pressure Vessels

[+] Author Affiliations
Ping Chen, Haobo Liu, Chenghong Duan

Beijing University of Chemical Technology, Beijing, China

Fan Luo

Shanghai Institute of Special Equipment Inspection & Technical Research, Shanghai, China

Paper No. PVP2009-77495, pp. 149-155; 7 pages
  • ASME 2009 Pressure Vessels and Piping Conference
  • Volume 2: Computer Applications/Technology and Bolted Joints
  • Prague, Czech Republic, July 26–30, 2009
  • Conference Sponsors: Pressure Vessels and Piping
  • ISBN: 978-0-7918-4365-9 | eISBN: 978-0-7918-3854-9
  • Copyright © 2009 by ASME


This paper describes a new improved structural type of end closure with use of D-shaped shearing bolts by which the head can be opened and closed easily & quickly, and use of metallic self-energized C-ring or O-ring as its sealing gaskets for pressure vessels. Strength analysis and calculation methods for its key components are recommended. This new structure has reliable safety, compact, easy assembly and cost effective in materials etc. Its size and operating pressure should be unlimited, so it can be widely used in industries.

Copyright © 2009 by ASME



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