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● Paraxis Global · Engineering services

Engineering that is ready for inspection from the first drawing.

Design calculations, 3D models, FEA and STAAD.Pro structural analysis for pressure equipment, process skids and supporting structures, built to the code your project names, plus Chartered Engineer certification.

L = 4 800 T/T ID 1 500 N1 · DN 150 PN 16 N2 · DN 80 CL

● Capabilities

Five engineering services, one accountable team.

Each package is checked against the design code and the compliance route it must pass, so drawings and calculations do not come back from the inspector.

ENG-01Pressure equipment

Pressure vessel & heat exchanger design

Mechanical design calculations for shells, heads, nozzles, flanges and supports.

  • Wall thickness, reinforcement and MAWP
  • Nozzle loads and local stress checks
  • Saddle, leg and lifting lug design
ASME VIII-1 / VIII-2EN 13445PD 5500AD 2000IS 2825
ENG-02Design & drafting

3D CAD modelling & drawings

Models and drawing sets that fabricators can build from and inspectors can check.

  • 3D models of equipment, skids and assemblies
  • GA, fabrication and detail drawings
  • Bills of materials and weld maps
STEP · IGES · DWGISO 128ASME Y14.5
ENG-03Analysis

Finite element analysis (FEA)

Design-by-analysis where rules-based formulas run out, with stress linearisation and code assessment.

  • Linear and non-linear static analysis
  • Thermal and thermal-stress studies
  • Fatigue assessment for cyclic service
ASME VIII-2 Part 5EN 13445 Annex B/CWRC 537 / 297
ENG-04Structures

STAAD.Pro structural analysis

Analysis and design of steel structures that carry and access process equipment.

  • Pipe racks, platforms and skid frames
  • Equipment support structures
  • Wind, seismic and equipment load combinations
STAAD.ProIS 800IS 875 · IS 1893AISC 360Eurocode 3
ENG-05Certification

Chartered Engineer certification

Independent certificates and reports signed by a Chartered Engineer, for customs, government schemes, banks and insurers.

  • Inspection and residual-life certificates for import of second-hand machinery
  • Installation and end-use certificates for EPCG and other export schemes
  • Valuation of plant and machinery for bank finance and insurance
  • Production capacity certificates
  • Project cost and fixed-asset verification
Chartered Engineer (India)DGFT · CustomsEPCGBanks · Insurers

● Shell estimator

Quick check: cylindrical shell thickness.

An indicative calculation for a cylindrical shell under internal pressure, using the ASME Section VIII Division 1 UG-27 formulas. Change any value to see the result update.

Minimum required thickness incl. corrosion allowance

0.00mm
Circumferential stress (governs)–
Longitudinal stress–
Inside radius R–
t = P·R / (S·E − 0.6·P)

Indicative only, not for construction. Ambient allowable stresses shown; actual values depend on design temperature, code edition and material certificate. Excludes heads, nozzles, external loads and mill tolerance.

● Process

From datasheet to approved drawing.

Inputs

Datasheets, process conditions, codes, site data and any existing drawings.

Design basis

A short memo fixing codes, loads, materials and acceptance criteria before work starts.

Calculate & model

Hand calculations, 3D models, FEA and STAAD.Pro models as needed.

Drawings & reports

Drawing set and calculation reports, cross-checked against the code clauses.

Review & handover

Comments closed with you, the fabricator and the inspection body, then native files handed over.

● What you receive

A complete, checkable package.

  • Design basis memo and calculation reports with code references
  • GA, fabrication and detail drawings with bills of materials
  • FEA reports with stress linearisation and code assessment
  • STAAD.Pro models, reports and member design summaries
  • Native and neutral CAD files
  • Signed Chartered Engineer certificates and valuation reports

● Engineering + compliance

Design and certification under one roof.

The same team that designs your equipment knows what the notified body, the boiler inspector or the food-contact assessor will ask for. Calculations, drawings and the technical file are prepared together, so there is one set of numbers and no rework between engineering and compliance.

See compliance services

Send us your datasheet for a quote.

Include the design code, conditions and deadline, and we will reply with scope, schedule and price.