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
Design and performance requirements for centrifugal pumps used in critical refinery and process applications.
Minimum mechanical reliability, casing pressure containment, dynamic balancing, and vibration performance.
Axial and Centrifugal Compressors and Expander-compressors
Defines minimum requirements for axial and centrifugal compressors used in severe gas service.
Aero-thermodynamic efficiency, rotor stability analysis, dry gas sealing integration, and casing integrity.
Reciprocating Compressors for Petroleum, Chemical, and Gas Industry Services
Standard for design, operation, and maintenance of heavy-duty reciprocating compressor systems.
Pulsation control, cylinder thermal stress, rod load limits, and valve assembly reliability.
Rotary-Type Positive-Displacement Compressors
Requirements for dry and oil-flooded rotary positive displacement (screw) compressor systems.
Rotor profile mesh verification, thermal growth clearance, and continuous gas delivery stability.
Lubrication, Shaft-Sealing and Control-Oil Systems
Ensures reliable lubrication, shaft-sealing, and control oil supply for critical rotating equipment.
Dual redundant pump systems, oil reservoir filtration, thermal regulation, and emergency lube accumulator pressure.
Pumps & Gas Compressors Mechanical Shaft Seals
Standards for mechanical seals and dry gas seal support systems in hazardous hydrocarbon service.
Zero-emission containment, dry gas face separation clearance, seal flush piping plans (Plan 52/53/74).
Machinery Protection Systems
Covers continuous monitoring of shaft vibration, axial position, speed, phase reference, and bearing temperatures.
Hardware trip logic fault-tolerance, proximity probe calibration, and automatic trip protection against catastrophic failure.
Pressure Vessel Inspection Code: In-service Inspection, Rating, Repair, and Alteration
Covers inspection, repair, alteration, and re-rating of pressure vessels operating in process industries.
Remaining life assessment, minimum required thickness calculation, internal corrosion mapping, and weld integrity.
Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems
In-service inspection code for process piping circuits, elbows, injection points, and deadlegs.
Corrosion Under Insulation (CUI), localized erosion at elbows/tees, injection point decay, and fatigue cracking.
Risk-Based Inspection (RBI) Framework & Quantitative Methodology
Methodology to calculate risk profiles (PoF × CoF) to optimize inspection intervals and target critical damage mechanisms.
Probability of Failure (PoF), Consequence of Failure (CoF), damage mechanism modeling (thinning, SCC, HTHA, fatigue).
Sizing, Selection, Installation & Pressure-Relieving Systems in Refineries
Governs pressure relief valves (PRVs), rupture disks, flare headers, and emergency depressurization systems.
Overpressure scenario relief rates, acoustic fatigue in flare piping, valve seat tightness, and flare radiation.
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.
Thread pitch/lead, taper, height, standoff ring/plug gauging, visual thread inspection (VTI), and magnetic particle crack detection.
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.
Radar antenna frequency selection (250MHz-2.6GHz), soil conductivity calibration, and subsurface profile interpretation.
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.
Linear array element health checks, focal law beam steering accuracy, and encoder linearity verification.
Standard Practice for Shearography of Polymer Matrix Composites
Laser shearography method for non-destructive detection of disbonding, delamination, and impact damage in composites.
Laser speckle interferometry under thermal or vacuum excitation to measure micro-displacement gradients.
Standard Practice for Thermographic Inspection of Insulation Installations in Envelope Cavities
Infrared thermography procedure for identifying thermal bypasses, insulation voids, and moisture entrapment.
Emissivity calibration, ΔT thermal gradient threshold evaluation, and atmospheric attenuation correction.
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.
In-situ concrete compressive strength estimation, rebar corrosion mapping, and internal void detection.
Building Code Requirements for Structural Concrete and Commentary
Governing structural design and minimum material strength criteria for reinforced concrete structures.
Minimum rebar concrete cover thickness, shear reinforcement, and post-tension cable anchorage safety.
Standard Guideline for Investigating and Documenting Existing Subsurface Utilities
Establishes Quality Levels (A, B, C, D) for identifying, depicting, and verifying underground utility infrastructure.
Subsurface Utility Engineering (SUE) accuracy classifications to prevent utility strikes during excavation.
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.
Personnel qualification requirements, calibration block standards, and examination procedure validation.
Process Piping Code: Rules for Pressure Piping Systems
Design, material selection, fabrication, and NDT examination criteria for chemical plant and refinery process piping.
Weld joint quality factors, severe cyclic service examination, and pressure test safety margins.
Structural Welding Code — Steel
Governs welding procedure specifications (WPS), welder performance qualification, and visual/ultrasonic weld acceptance.
Structural steel weld integrity, CWI inspection requirements, and NDT flaw acceptance thresholds.
Non-destructive testing — Qualification and certification of NDT personnel
International standard for Level I, II, and III NDT technician training, examinations, and independent certification.
Third-party central certification requirements, vision acuity testing, and method-specific practical exams.
Platform Designers & Governing Standards
NDT Exchange includes built-in digital modeling and inspection mapping tools engineered around international codes and API standards.
Storage Tank Designer
Maps shell course thickness, annular stress rings, and MFL floor plate grids compliant with API 650 & API 653 tank inspection codes.
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.
NDT Setup Builder
Models ultrasonic probe array parameters, focal law law sweeps, wedge velocity refraction angles (Snell's Law), and near-field beam limits.
Need Level III Engineering Compliance & Field Inspection Services?
Find verified Level III auditors, NDT inspection providers, and specialized rotating equipment inspectors certified in API 510, API 570, API 653, and API 670 across the global NDT Exchange ecosystem.