CSA B51 Boiler Pressure Vessel & Pressure Piping Code

ISBN/PUB: B51 14
Pub Date: 2014

Available February 2014

Boilers, pressure vessels, pressure piping and fittings pose potential health and safety risks if they are not designed, installed, operated and/or maintained in accordance with the latest edition of B51. Potential health and safety hazards of leaking vessels include fires, explosion hazards, poisonings and depending on the fluid being contained, even suffocations. There are three parts to this standard:

Part 1:

  • Requirements for boilers, pressure vessels, pressure piping and fittings
  • Promotes safe design, construction, installation, operation, inspection, testing and repair practices

Part 2:

  • Requirements for high-pressure cylinders for on-board storage of fuels for automotive vehicles
  • Specifies minimum requirements for serially-produced lightweight refillable gas cylinders

Part 3:

  • Requirements for compressed natural gas & hydrogen refueling station pressure piping systems and ground storage vessels

The eighteenth edition of B51 contains several critical updates and additions as outlined in the Preface of the standard


  • Several new definitions including air heater coil, historical steam boiler, owner, pressure relief device (PRD), and thermal expansion relief
  • New clause - Requirement on Pressure Relief Devices
  • New clause - In-Service Inspection
  • Additional requirements for registration designs, registration of fittings, and repairs & alterations
  • Addition of Table 5 - Design Change Qualification Tests
  • New Annex on Requirements Regarding the Use of Finite Element Analysis (FEA) to Support a Pressure Equipment Design Submission
  • New Annex on Historical Boilers

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Price $282.00


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