Heat Exchanger Tube Replacement and Overhauling Services
1. Introduction
Rajani Industries offers comprehensive heat exchanger tube replacement for single and double circuit and overhauling services designed to restore, enhance, and extend the operational life of shell and tube heat exchangers. With extensive experience in heat transfer equipment manufacturing and servicing, we deliver reliable solutions that meet stringent industrial requirements.
2. Scope of Work
The scope of work includes inspection, tube replacement, and complete overhauling of shell and tube heat exchangers used in refrigeration, HVAC, power plants, chemical, pharmaceutical, and process industries.\
2.1 Tube Replacement
- Visual inspection and non-destructive testing (NDT) of existing tubes to assess wear, corrosion, erosion, and leakage
- Identification and marking of defective tubes
- Removal of damaged or worn-out tubes using approved mechanical methods
- Supply and installation of new tubes as per original or upgraded specifications
- Tube expansion/rolling or welding as per design requirement
- Leak-proof sealing and alignment to ensure safe operation
2.2 Overhauling
- Complete dismantling of heat exchanger components
- Chemical or mechanical cleaning of tubes, shell, tube sheets, and headers
- Inspection and repair of tube sheets, baffles, gaskets, flanges, and supports
- Replacement of gaskets, fasteners, and other consumables as required
- Reassembly of heat exchanger with proper torque and alignment
3. Design & Engineering Standards
All activities are carried out in compliance with applicable international and national standards, including:
- IS Standards
- ASME (Section VIII, where applicable)
- API Standards
- Client-specific technical specifications
4. Materials
- Tubes supplied in copper, cupronickel, stainless steel, carbon steel, or other alloys as per application
- All materials are sourced from approved and reputed vendors
- Material Test Certificates (MTCs) provided upon request
5. Quality Assurance & Testing
- Dimensional and visual inspection at each stage
- Hydrostatic / pneumatic pressure testing after completion
- Final inspection to verify mechanical integrity and thermal performance
- Documentation of inspection and test results
6. Safety & Work Practices
- Strict adherence to industrial safety norms
- Use of PPE and approved tools
- Controlled handling and disposal of removed tubes and waste materials
7. Deliverables
- Repaired and fully operational heat exchanger
- Pressure test and inspection reports
- Material certificates (if applicable)
- Completion and service report
8. Advantages of Rajani Industries
- Specialized expertise in shell and tube heat exchangers
- In-house manufacturing and servicing capability
- Compliance with international standards
- Reliable workmanship and timely execution
- Proven track record across demanding industrial applications
Conclusion
Rajani Industries is committed to delivering high-quality tube replacement and overhauling services that ensure optimal heat exchanger performance, improved efficiency, and extended equipment life. Our technical expertise and quality-driven approach make us a trusted partner for critical heat exchanger maintenance projects.