TriLee
Wuxi TriLee Heat Exchange Equipment
Technical Knowledge

Heat Exchanger & Pressure Equipment Engineering Articles

Practical procurement and engineering guidance for buyers, EPC teams and industrial users sourcing custom heat exchangers, compressor coolers and pressure equipment.

Engineering Guide

How to Select a Shell-and-Tube Heat Exchanger for an Industrial Project

A practical selection guide covering duty data, construction type, materials, fouling, pressure drop, maintenance and documentation.

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Engineering Guide

Fixed Tubesheet vs U-Tube vs Floating Head Heat Exchangers

Compare the three common shell-and-tube constructions by thermal expansion, cleanability, cost, maintenance and typical project use.

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Engineering Guide

Heat Exchanger RFQ Checklist: Data a Manufacturer Needs

A buyer-oriented checklist for preparing a clear heat exchanger RFQ and reducing quotation assumptions, revisions and technical delays.

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Engineering Guide

ASME Section VIII Division 1: Procurement Guide for Buyers

What industrial buyers should define when sourcing pressure equipment built to ASME Section VIII Division 1, including U authorization, MDR and inspection scope.

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Engineering Guide

PED / CE for Pressure Equipment Sourced from China

A practical overview of PED conformity assessment when buying pressure equipment from a non-EU manufacturer, including classification, modules and Notified Body involvement.

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Engineering Guide

Replacement Tube Bundle Procurement Guide

How to source a replacement heat exchanger bundle from existing drawings, field measurements or an old bundle while controlling fit-up and performance risk.

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Engineering Guide

Compressor Intercooler Design & Procurement Guide

Key technical information buyers should provide when sourcing compressor intercoolers or interstage coolers for new and replacement applications.

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Engineering Guide

Heat Exchanger Material Selection: Carbon Steel, Stainless, Duplex and Nickel Alloys

A procurement-focused overview of material selection for shell-and-tube heat exchangers based on corrosion, chloride exposure, temperature and cost.

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Engineering Guide

Heat Exchanger Inspection & Documentation Checklist

A practical overview of ITPs, material certificates, welding records, NDT, hydrotest records and final documentation for industrial heat exchanger procurement.

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Engineering Guide

Common Causes of Heat Exchanger Performance Problems

A troubleshooting-oriented guide to common reasons shell-and-tube heat exchangers underperform after installation or during service.

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