Engineering & NDT Standards Directory
Authoritative multi-SDO engineering reference cataloging standards across API, ASTM, ACI, ASCE, ASME, AWS, and ISO. Discover how non-destructive examination (NDE) methods, plant integrity codes, and structural guidelines interlock.
Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas Industries
Unfiltered overall vibration velocities must remain below 3.0 mm/s RMS (0.12 in/s) during steady factory shop testing.
Axial and Centrifugal Compressors and Expander-compressors
Impellers must undergo overspeed spin testing at 115% of trip speed for minimum 15 minutes followed by 100% fluorescent NDT.
Reciprocating Compressors for Petroleum, Chemical, and Gas Industry Services
Combined rod loads must not exceed 100% of the manufacturer rated limit under any normal or upset operating condition.
Rotary-Type Positive-Displacement Compressors
Rotor lobe backlash and axial clearances must be verified at both ambient and operating thermal equilibrium.
Lubrication, Shaft-Sealing and Control-Oil Systems
Emergency overhead run-down tank or hydraulic accumulator must supply oil for at least 3 minutes during coast-down.
Pumps & Gas Compressors Mechanical Shaft Seals
Seal faces must be polished flat within 2 helium light bands (0.58 microns / 23 micro-inches).
Machinery Protection Systems
Always use 2-out-of-2 or 2-out-of-3 voting logic to prevent false trips while ensuring 100% protection against machine wreck.
Pressure Vessel Inspection Code: In-service Inspection, Rating, Repair, and Alteration
Internal inspection interval must not exceed 10 years or half the remaining useful life (RUL), whichever is shorter.
Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems
Class 1 high-hazard piping requires thickness inspection every 5 years; Class 2 every 10 years.
Risk-Based Inspection (RBI) Framework & Quantitative Methodology
Risk = Probability of Failure (PoF) x Consequence of Failure (CoF). Focus 80% of inspection budgets on top 20% high-risk assets.
Sizing, Selection, Installation & Pressure-Relieving Systems in Refineries
Inlet piping pressure drop to relief valve must not exceed 3% of set pressure to prevent valve chattering.
Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe Threads
Governs dimensions, tolerances, gauging protocols, and non-destructive thread inspection for oilfield casing, tubing, and line pipe.
Standard Guide for Using the Surface Ground Penetrating Radar Method for Subsurface Investigation
Standard procedure for selecting antenna frequencies, calibrating dielectric constants, and conducting GPR radar scans.
Standard Guide for Evaluating Performance Characteristics of Phased Array Ultrasonic Testing Instruments and Systems
Governs sensitivity verification, beam angle accuracy, element activity, and focal law setup for PAUT flaw detectors.
Standard Practice for Shearography of Polymer Matrix Composites
Laser shearography method for non-destructive detection of disbonding, delamination, and impact damage in composites.
Standard Practice for Thermographic Inspection of Insulation Installations in Envelope Cavities
Infrared thermography procedure for identifying thermal bypasses, insulation voids, and moisture entrapment.
Report on Nondestructive Test Methods for Evaluation of Concrete in Structures
Comprehensive guide on NDT methods (GPR, Ultrasonic Pulse Velocity, Impact-Echo) for assessing structural concrete.
Building Code Requirements for Structural Concrete and Commentary
Governing structural design and minimum material strength criteria for reinforced concrete structures.
Standard Guideline for Investigating and Documenting Existing Subsurface Utilities
Establishes Quality Levels (A, B, C, D) for identifying, depicting, and verifying underground utility infrastructure.
ASME Boiler and Pressure Vessel Code, Section V: Nondestructive Examination
Mandatory methodology and procedural requirements for RT, UT, MT, PT, ET, VT, and LT across code fabrication.
Process Piping Code: Rules for Pressure Piping Systems
Design, material selection, fabrication, and NDT examination criteria for chemical plant and refinery process piping.
Structural Welding Code — Steel
Governs welding procedure specifications (WPS), welder performance qualification, and visual/ultrasonic weld acceptance.
Non-destructive testing — Qualification and certification of NDT personnel
International standard for Level I, II, and III NDT technician training, examinations, and independent certification.
Platform Designers & Governing Standards
NDT Exchange includes built-in digital modeling and inspection mapping tools engineered around international codes and API standards.
Tank Shell CAD
Models storage tank shell course thicknesses, bottom annular plate layout, and hydrostatic test fill heights.
TEMA Tube Designer
Generates heat exchanger tubesheet geometry, pitch patterns (30°, 45°, 60°, 90°), and maps ECT/IRIS/APR tube plugging & wall loss.
PAUT Scan Plan Designer
Calculates ray tracing, sound path skip distances (0.5, 1.0, 1.5 legs), and beam coverage over weld profiles for ASME Sec V Art. 4 compliance.
Engineering Solvers
Calculate ASME B31.3 pipe wall thickness, acoustic impedance, beam divergence angles, and Snell's law refraction angles.
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