Codes & References

Every recommendation in this tool traces back to one or more of the standards below. Always verify against the latest approved revision in your project.

Standards Library

ASME B31.3Process Piping

Governing code for design, fabrication, examination, inspection, and testing of process piping.

MSS SP-58Pipe Hangers and Supports — Materials, Design, Manufacture, Selection, Application, and Installation

Material grades, allowable loads, dimensions for support components.

MSS SP-69Pipe Hangers and Supports — Selection and Application

Type selection guide (Type 1–59) for service conditions, temperature ranges and orientations.

MSS SP-89Pipe Hangers and Supports — Fabrication and Installation Practices

Welding, attachment, and field installation tolerances.

MSS SP-127Bracing for Piping Systems

Seismic and dynamic restraint guidance.

PFI ES-26Welded Load-Bearing Attachments to Pressure-Retaining Piping Materials

Trunnion, lug, dummy-leg attachment guidance.

ASME B16.5 / B16.9Flanges & Wrought Fittings

Geometry & ratings for flanged interfaces.

ASME Section II-DMaterial Properties

Allowable stresses, modulus, expansion coefficients.

API 610 / NEMA SM-23Equipment Nozzle Allowables

Pump and turbine nozzle load limits.

PIP STS / PIP REIE686Process Industry Practices

Industry standard support details (where licensed).

External Resources

ASME Codes & Standards →MSS Standards Practices →Pipe Fabrication Institute →

For engineering support only. Final support design shall be reviewed and approved by a qualified piping engineer against project specifications, stress analysis, structural capacity, applicable codes (ASME B31.3, MSS SP-58/69/89/127, PFI ES-26) and client standards. This software is a decision-support tool and does not replace professional engineering judgement.