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Large Steel Seamless Pressure Vessels

CPI. Large Steel Seamless Pressure Vessels. Kevin Collins National Center of Manufacturing Sciences March 9, 2005 Dearborn, MI. Overview. CP Industries manufactures large seamless pressure vessels for the storage of gases under high pressure.

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Large Steel Seamless Pressure Vessels

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  1. CPI Large Steel Seamless Pressure Vessels Kevin Collins National Center of Manufacturing Sciences March 9, 2005 Dearborn, MI

  2. Overview • CP Industries manufactures large seamless pressure vessels for the storage of gases under high pressure. • Pioneered the development of high pressure cylinders. • ASME • DOT • Military • ISO

  3. Applications • Transportation of Industrial Gases • Ground Storage of Industrial Gases • Compressed Natural Gas Fueling Stations • Mother - Daughter Projects

  4. Tube Trailer

  5. Applications • Transportation of Industrial Gases • Ground Storage of Industrial Gases • Compressed Natural Gas Fueling Stations • Mother - Daughter Projects

  6. Ground Storage

  7. Applications • Transportation of Industrial Gases • Ground Storage of Industrial Gases • Compressed Natural Gas Fueling Stations • Mother - Daughter Projects

  8. ISO Container

  9. Manufacturing Process • Raw Material is Seamless Pipe • End Domes are Hot Forged Spun or Hammered • Heat Treated - Liquid Quench & Temper • Grit Blast and Condition O.D. • Machine Necks with I.D. and O.D. Threads • Grit Blast and Condition I.D. • Vacuum, Steam Clean & Dry I.D. • Install End Plugs • Solvent Wash and Paint • Purge with Dry Nitrogen • Assemble

  10. Quality and Inspection Process • All Pipe is Ultrasonic Tested • Properties are Tested from Test Ring Yield Tensile Elongation Charpy V Notch • Brinell Hardness Tests • O.D. is Magnetic Particle Inspected • Machined Threads are Dye Penetrant Tested • Hydrostatic Test • Final Ultrasonic Inspection • Assemblies are Air Tested • Inspections and Testing Witnessed by Independent Agencies

  11. Specifications • Design specification is contingent on what gas is used and how it is used. • Hydrogen - Ground ASME UPV Code Section VIII Div 1 Newest Version Current Addenda and Appendix 22 Material - ASME SA 372 Grade J Class 70 • Hydrogen - Transported DOT - 3AAX - 6000 (Pressure) Material - AISI 4130X

  12. Concerns • Hydrogen is Difficult to Store Efficiently • Requires Higher Pressures than Other Gases • Higher Pressure Results in Smaller O.D.’s and Thicker Walls • More Difficult to Attain Required Properties

  13. Solutions • CPI working with ASME and Compressed Gas Association • Working Committees have Been Formed to Address Hydrogen Storage • Research Laboratories such as Sandia National Laboratories are Testing Materials

  14. Hydrogen Storage

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