Views: 0 Author: Site Editor Publish Time: 2026-01-26 Origin: Site
We provide high-quality replacement heat exchangers for API 661 lube oil coolers, designed as direct replacements for existing air-cooled lube oil cooler bundles used in refineries, petrochemical plants, power stations, and compressor or turbine systems. Our replacement solutions fully comply with API 661 Air-Cooled Heat Exchanger standards, ensuring safe, reliable, and long-term operation.
The replacement heat exchanger can be supplied based on original nameplate data, drawings, or site operating conditions, allowing customers to upgrade aging equipment without modifying existing steel structures, fans, or piping.
Design and Manufacturing Features
Our API 661 lube oil cooler replacement heat exchangers incorporate:
Full compliance with API 661 and applicable ASME requirements
Carbon steel, stainless steel, or alloy steel tubes as required
Aluminum or galvanized steel fins with optimized heat transfer efficiency
Enhanced corrosion and fouling resistance for long-term oil service
Robust header box design for safe operation under pressure
Strict quality control including material traceability and pressure testing
Each unit undergoes hydrostatic testing and dimensional inspection prior to delivery.
Engineering Support and Customization
We support replacement projects with:
Reverse engineering based on nameplate or site measurements
Thermal verification to confirm cooling performance
Material upgrades for higher reliability or harsher environments
Compliance documentation and inspection records
Whether the original cooler is obsolete, damaged, or underperforming, we can deliver a reliable, API 661-compliant replacement heat exchanger tailored to your operating conditions.
Conclusion
Our API 661 lube oil cooler replacement heat exchangers provide a cost-effective and reliable solution for maintaining the safe operation of critical rotating equipment. With strict adherence to international standards, proven manufacturing quality, and drop-in replacement capability, we help customers reduce downtime, extend equipment life, and ensure stable lube oil cooling performance.
