Engineering Services

Inspection of Pressure Equipment & Process Systems

N&T Engitech provides structured inspection support for custom pressure equipment and process systems manufactured for industrial projects across global markets. Our inspection process is designed to verify material quality, fabrication accuracy, welding integrity, dimensional correctness, pressure safety, documentation completeness and final equipment readiness before dispatch.

International Inspection Approach

Inspection Connected with Every Stage of Manufacturing

For EPC contractors, plant owners, engineering consultants and procurement teams, inspection is a critical stage in pressure equipment manufacturing. It helps ensure that every equipment package is manufactured, tested and documented as per technical requirements before it reaches the project site.

Inspection is Not a Last-Stage Activity

Our team ensures that inspection is not treated as a last-stage activity. Inspection is connected with design, procurement, fabrication, testing and final documentation from the beginning of the project. This helps reduce rework, avoid approval delays and improve confidence during third-party, customer or certification review.

Material inspection and MTC review
Heat number and material traceability verification
Dimensional inspection per approved drawing
Fit-up and welding inspection at every stage
NDT coordination — VT, RT, UT, PT, MT
Hydrostatic / pneumatic test witnessing support
Third-party and customer inspection coordination

Scope

What We Cover in Inspection

Our structured approach helps reduce technical risk, improve approval confidence and support smoother project execution.

Material inspection — grade, heat number, marking and MTC review

Dimensional inspection — shell, dish ends, nozzles, flanges, supports and overall geometry

Fit-up inspection before welding — alignment, root gap and edge preparation

Welding inspection — visual, weld map and welder traceability

Preheating, inter-pass temperature and PWHT monitoring where applicable

NDT coordination and report review — RT, UT, PT, MT, VT

Hydrostatic or pneumatic test witnessing support

Final visual inspection of surfaces, welds and nozzle tags

Surface finish and coating inspection where applicable

Functional inspection for skids, filters and agitator systems

Marking, nameplate and stamping verification

Final documentation review and release

Equipment Coverage

Inspection for All Equipment Types

We apply the same disciplined approach across every equipment category we manufacture.

Pressure Vessels

Material verification, dimensional inspection, nozzle orientation checks, fit-up inspection, welding inspection, NDT coordination, pressure test witnessing and documentation review.

Heat Exchangers

Shell-side and tube-side construction, tube bundle arrangement, tubesheet alignment, nozzle orientation, flange alignment, pressure testing and final documentation.

Reactors & Agitator Vessels

Pressure parts, jackets, coils, agitator mounting arrangements, nozzles, manholes, supports, surface finish and functional components.

Filter Vessels

Pressure integrity, housing quality, closure arrangement, sealing surfaces, internal supports, filter media compatibility, cleanability and final finishing.

Skid-Mounted Systems

Equipment mounting, piping alignment, valve placement, instrument installation, frame structure, access points, FAT support and functional readiness.

Piping Assemblies

Pipe material, fittings, flanges, valves, welding, alignment, support arrangement and pressure testing per piping code and project specification.

Documentation

Documentation Support

Depending on project scope and applicable standard, we can support the following records.

Material inspection reportsMaterial Test CertificatesHeat number and traceability recordsDimensional inspection reportsFit-up inspection recordsWelding inspection recordsWeld map and welding summaryNDT reportsHydrostatic / pneumatic test reportsVisual inspection reportsFunctional inspection reportsFAT records (where applicable)Calibration certificatesThird-party witness recordsFinal Inspection Release NoteManufacturer's Data Record supportFinal manufacturing dossier support

Why Inspection Matters

Inspection is essential for confirming that pressure equipment has been manufactured correctly, tested properly and documented completely. For industrial pressure equipment, strong inspection control improves safety confidence, supports project approval and reduces the risk of costly site delays.

Verifies Material Compliance

Material inspection confirms that every pressure-retaining component matches the approved specification and project requirement.

Catches Dimensional Errors Early

Dimensional inspection before assembly and after fabrication prevents costly rework and alignment issues during site installation.

Supports Weld Quality

Fit-up and welding inspection reduces weld defects, ensures qualified procedures are followed and maintains welder traceability.

Enables Third-Party Confidence

Structured inspection with documented hold points and witness reports gives EPC contractors, consultants and certification agencies confidence in equipment quality.

Reduces Approval Delays

Inspection records prepared from the beginning of manufacturing help avoid incomplete documentation at the time of final acceptance.

How We Work

Our Process

A structured, stage-by-stage approach to ensure quality at every point.

Inspection Plan Review

We review the Inspection and Test Plan, applicable code, equipment type, inspection hold points and witness requirements before manufacturing starts.

Stage-by-Stage Inspection

Inspection is carried out at material receipt, fit-up, welding, NDT, pressure testing and final visual inspection stages.

Third-Party Coordination

Where required, third-party inspection agency, customer representative or AIA involvement is coordinated as per approved ITP hold points.

Documentation Release

Inspection reports, test certificates and records are compiled and reviewed before equipment is released for dispatch.

Send Your RFQ

Need Inspection Support for Pressure Equipment or Process Systems?

Share your datasheet, approved drawing, design pressure, material specification, applicable code, inspection requirement and destination country. N&T Engitech will review your requirement and support you with a practical proposal for custom pressure equipment manufacturing, inspection and documentation.