Pressure Vessel Calculations and Codes

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COMPRESS and INSPECT include a wide range of pressure vessel calculations, Codes and Standards

Pressure Vessel Calculations, Codes and Standards

Many of the pressure vessel calculations needed to properly design a vessel or exchanger are not, by design, contained in the ASME VIII BPVC itself. To produce a complete set of pressure vessel calculations and follow Recognized And Generally Accepted Engineering Practices a number standards, in addition to the ASME Code, are required. To meet this requirement COMPRESS and INSPECT implement a wide range of related Engineering Methods, Codes and Standards including:

  • A selection of  building codes for determination of site specific wind and seismic loads for ASME VIII-1, paragraph UG-22 compliance.

  • Horizontal vessel support saddle design (Zick Analysis).

  • The 7th, 8th & 9th Editions of the TEMA standard for the mechanical design of shell and tube heat exchangers.

  • FEA of heat exchanger expansion joints to address TEMA 9th Edition requirements.

  • Welding Research Council Bulletins WRC-107, WRC-537 and WCR-297 for analysis of local shell stresses on nozzles and attachments due to external loads.

  • FEA to address external loads on nozzles and attachments for geometries not covered by WRC-107, WRC-537 or WRC-297 including nozzles on flat heads loaded per API 660.

  • Brownell & Young base plate, anchor bolt and foundation design.

  • ASME B16.5 (standard flange pressure ratings).

  • ASME B16.9 (elbows).

  • ASME B16.47 (large flange pressure ratings).

  • External (piping) loads on ASME B16.5/B16.47 flanges per Moss to comply with ASME Interpretation BPV VIII-1-16-85.

  • Modified Rayleigh (lumped mass) numerical method for accurate period of vibration and wind deflection determination. The fundamental period of vibration is used when calculating seismic and wind vortex shedding loads.

  • American Institute of Steel Construction (AISC) Steel Design Manual for structures such as support legs.

  • American Society of Civil Engineers (ASCE) Wind Loads and Anchor Bolt Design for Petrochemical Facilities.

  • Select Process Industry Practice (PIP) Standards.

  • Modern Flange Design, Taylor Forge Bulletin 502 used for full face gasketed flanges not covered by ASME VIII-1 Appendix 2.

  • Evaluation of Percent Critical Damping of Process Towers, Karamchandani et al.

  • Discontinuity stresses in cone to cylinder junctures per Bednar for cases not covered by ASME VIII (half apex angle > 30 degrees).

  • INSPECT adds the post construction requirements of API 510, API 570, API 653, API 579-1/ASME FFS-1, API RP 574 and API 970. API 570 piping tmin’s are calculated using ASME B31.3 and ASME B31.4 as applicable.

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2018-01-12T09:00:23+00:00 February 23rd, 2017|Categories: COMPRESS, INSPECT|Tags: , , , |

About the Author:

Codeware was founded in 1983 in Ontario, Canada. We opened our first U.S. office in 1993. We currently have offices in Sarasota, Florida and Austin, Texas. Codeware's founder, Les M. Bildy, P. Eng., has served as President since 1983.