Standard Guides:WeldingPipingASMEAPIAsset Matrix
Visual Testing
CoreSurface & Visual • VT

Visual Testing (VT)

Method Overview

Foundational direct inspection method assessing surface finish, weld profile, corrosion, alignment, and physical damage.

Core Method Specifications

Technique IDVT
AcronymVT
CategoryCore
ModalitySurface & Visual
Default Report TemplateVT-Standard-Template

Target Applications & Governing Standards

2 Scopes Configured
Valves & Pressure Control
API 598 ASME B16.34
Target Assets / Components:
Valve External BodyPacking GlandFlange Bolting & Gaskets
Detectable Defects & Anomalies:
• Stem Leaks• Gasket Misalignment• Bolting Corrosion• Physical Distortion
Piping & Loops
API 570 ASME B31.3
Target Assets / Components:
Piping Hangers & SupportsInsulation JacketsExpansion Joints
Detectable Defects & Anomalies:
• Hanger Misalignment• Insulation Breach• External Rusting

Technique-to-OEM Compatibility Matrix

Verified manufacturers, instrument models, and diagnostic portals supporting VT.

9 Verified OEMs
Evident Scientific

Evident Scientific

Leading manufacturer of optical and digital precision technology (formerly Olympus Scientific Solutions).

Modalities:UTPAUTETVTIRIS+1 more
OEM Profile Evident Connect Portal
OEM Site
Flyability

Flyability

Pioneer of collision-tolerant confined-space inspection drones (Elios series) for internal RVI and aerial visual inspection of tanks, boilers, and elevated structures without scaffolding.

Featured VT Hardware:
Flyability Elios 3 Confined Space LiDAR & Inspection Drone
Modalities:RVIVTDVT
OEM Profile Flyability Support Hub
OEM Site
Skydio

Skydio

Autonomous AI-powered inspection drones (Skydio X2/X10) equipped with 360° obstacle avoidance, thermal cameras, and automated 3D scan mapping for critical infrastructure.

Modalities:VTDVTIR
OEM Profile Skydio Enterprise Support
OEM Site
Percepto

Percepto

Autonomous Drone-in-a-Box (Air Max & Air Mobile) and AIM software platform for continuous automated visual and thermal inspection of industrial sites.

Modalities:VTDVTIR
OEM Profile Percepto AIM Knowledge Hub
OEM Site
Easy Aerial

Easy Aerial

Tethered and autonomous drone monitoring systems designed for long-endurance security and structural visual testing (DVT) of energy assets.

Modalities:VTDVTIR
OEM Profile Easy Aerial Client Portal
OEM Site
Fluke Corporation

Fluke Corporation

World leader in industrial test tools, thermal imaging cameras, and vibration analysis equipment.

Modalities:VTVAIR
OEM Profile Fluke Support Center
OEM Site
Gecko Robotics

Gecko Robotics

Autonomous wall-climbing NDT crawlers for ultrasonic and visual inspection of boilers, tanks, and piping.

Modalities:RNDTUTVT
OEM Profile Gecko Client Portal
OEM Site

Waygate Technologies

OEM Manufacturer for VT inspection systems.

Verified Partner

Gradient Lens

OEM Manufacturer for VT inspection systems.

Verified Partner
ASME Sec V & ISO 9712 Qualified
Rent VT Instruments OEM Hardware CatalogPost VT Project Scope
AI-Assisted Technical Reference & Regulatory DisclaimerEducational & Reference Only

Technical articles, damage mechanism guides, inspection scopes, engineering formulas, and code summaries published across the NDT Exchange knowledge base are synthesized with the assistance of Artificial Intelligence (AI) and specialized industrial engineering reference models.

While all content is cross-referenced against authoritative standards (ASME, API, AWS, ISO, ASTM, NACE/AMPP), it is provided strictly for educational, preliminary scoping, and reference purposes. It does not constitute formal professional engineering advice, procedure qualifications (WPS/PQR), or certified inspection sign-offs. Always verify testing parameters, wall thickness sizing, and flaw acceptance criteria against the latest governing code edition and consult a certified Level III, Professional Engineer (PE), or certified inspector (API 510/570/653, AWS CWI, CSWIP) prior to field execution.