Your Mechanical Engineering Partner for Pressure Equipment Manufacturing
3P Tech Serv provides detailed engineering services for pressure equipment manufacturers and OEMs, delivering GA drawings, fabrication drawings, mechanical calculations, FEA, 2D drafting, and 3D CAD modeling. Our engineering services are built on manufacturing experience, helping fabricators reduce errors, improve production efficiency, and move confidently from design to fabrication
Our clients trust us
Projects Delivered Globally
Supporting manufacturers across the USA, Canada, and Italy with professional mechanical engineering design services and cost-effective engineering outsourcing.
Engineering Built for the Shop Floor, Not Just the Design Office
Many engineering drawings are created simply to meet design codes. We believe that's only part of the job.
At 3P Tech Serv, our engineering services are built on manufacturing experience. Every GA drawing, fabrication drawing, mechanical calculation, and 3D model is developed with the people who use them in mind—from fabricators and welders to fitters and inspectors.
As an engineering company for pressure equipment manufacturers, we understand that practical details matter. Weld accessibility, fit-up sequence, dimensional tolerances, and fabrication feasibility are considered from the beginning, reducing clarification requests, minimizing rework, and helping projects move smoothly through production. The result is engineering documentation that not only complies with international standards but is also practical, accurate, and ready for the shop floor.
Why Choose Us
We work closely with manufacturers and fabrication companies to deliver accurate, production-ready engineering solutions that help reduce design errors and improve project efficiency. Our team combines industry-focused mechanical engineering design expertise with dependable engineering design outsourcing support, ensuring high-quality pressure vessel design services, fabrication drawings, and industrial equipment design delivered on time and with complete reliability.
Our mission
To be the detail engineering partner that manufacturers can rely on to produce drawing and calculation packages that are compliant, build-ready, and delivered on a schedule the shop floor can work to. Not engineering that satisfies a code on paper but creates rework in practice.
Our services
Our Engineering Services
We provide end-to-end engineering support for pressure equipment manufacturers and OEMs, delivering accurate documentation that simplifies fabrication, improves quality, and supports efficient manufacturing.
A general arrangement drawing paired with a bill of material that matches it exactly, part numbers, materials, quantities, across every revision. Mismatches between the GA and the BOM are one of the most common sources of procurement and fabrication errors. This service is built around preventing them.
Code-based design calculations for pressure-containing components: wall thickness, head design, nozzle reinforcement, re-rating, to the applicable code for your equipment type and destination market. The documented basis that sits behind the drawing and supports fabrication sign-off and regulatory submission.
Simulation-based analysis for components, assemblies, and piping systems where geometry or loading is complex enough that a closed-form calculation is not sufficient. Covers pipe stress, pressure vessel load evaluation using PV Elite, and finite element analysis using SolidWorks FEA, Inventor FEA, and Autodesk Nastran.
The drawings the shop floor actually builds from, with weld maps, weld joint details, and dimensional callouts structured around how the equipment is fabricated, not just a geometric description of the finished item. Distinct from a GA drawing issued for approval and reference. Produced with revision turnaround structured to keep pace with shop schedules.
Multi-disciplinary 3D modelling, covering equipment geometry, piping, structural, and instrument layout, that feeds GA drawings, fabrication shop drawings, and BOMs as a single consistent source rather than independently drafted views that drift apart through revisions. 2D drafting is also available directly for simpler items without a full model.
Our services
We craft and design innovative digital solutions
Testimonials
Trusted by Manufacturers Worldwide
Working with this team for pressure vessel design services has greatly improved our timelines. Their fabrication drawings were highly accurate and required almost no revisions. A truly reliable engineering partner.
Michael Carter
Engineering Manager
We outsourced mechanical engineering design and 3D modeling for several industrial equipment projects. Their high-quality fabrication drawings helped us reduce production delays and improve overall efficiency
Daniel Russo
Design Manager
Their engineering design outsourcing support helped us scale without increasing our in-house team. Everything was delivered professionally and on time. Highly recommended.
Laura Bennett
Project Engineer