Heat Exchanger Maintenance

GIS offers comprehensive, turnkey maintenance services for heat exchangers, including all types of Shell & Tube Exchangers, Condensers, Boilers, Fin Fan Coolers, and Plate Exchangers, among others. These services cover both on-site and off-site maintenance. With a highly experienced team equipped with advanced on-site capabilities, reliable tools and machinery, and a fully equipped workshop and maintenance facility, GIS ensures cost-effective, safety-focused solutions tailored to meet the highest quality standards.

Our Capabilities

Complete Maintenance Services
Heat exchangers and bundles are cleaned and refurbished on-site and off-site, to the client’s specifications, regardless of material or size.
Retubing Expertise
Full or partial retubing for all types of heat exchangers & Boilers, on-site or off-site.
Advanced Shop Solutions
Fully equipped facilities include a dedicated workshop and machine shop to support all repair requirements, including ASME/R -Stamp services.
Exchanger Maintenance program includes:
- Blinding/Isolation – Safe isolation of equipment prior to maintenance.
- Detorquing & Opening – Controlled dismantling of exchanger components.
- Bundle Extraction / Bundle Pulling – Precision removal using specialized tools.
- Hydrojet Cleaning – Shell & Tubes – High-pressure cleaning for optimal performance.
- Inspection of Tubes – Visual and NDT inspection for integrity assessment.
- Repair / Retubing – Complete or partial retubing of all kinds of exchangers.
- Hydrotesting – Pressure testing to verify mechanical integrity.
- Bundle Insertion – Accurate reinstallation of cleaned or repaired bundles.
- Box-Up & Torquing – Proper assembly and mechanical joint integrity.
- Deblinding & Handover– Safe removal of blinds and restoration to operational status.