API 661 Heavy Duty High Pressure Air Cooler Finned Tube Bundle for Petrochemical Refinery
This finned tube bundle is specifically designed as a replacement core for the air cooled heat exchanger. Manufactured in full compliance with API 661 and ASME Sec.VIII Div.1, this heat exchanger component is critical for process cooling in oil refineries, petrochemical plants, and gas processing facilities. As a dedicated team heat exchanger spare part, it ensures seamless integration and reliable performance within existing systems.
| Component | Code & Material Specification | Testing Requirement |
|---|---|---|
| Tubes | ASME Sec. II Seamless Tubes | Hydro-test & ASTM Verification |
| Fins | High-Conductivity Aluminum Fins | Bare section design (7 cm) |
| Plates | ASME Sec. II Pressure Vessel Plates | 100% UT Lamination Test |
| Plugs | ASTM A-788 Tapped Plugs | Go/No-Go Thread Gauge Test |
| Component | Material Specification / Requirement | Notes |
|---|---|---|
| Finned Tube Bundle | Materials per approved drawings; sourced from Iran, W. Europe, S. Korea, Japan, or NIOC-approved AVL holders. | Mandatory Material Certificate per ASTM standards. |
| Header Box | Penetration welds & nozzle circumferential welds require 100% radiography. | Tube-to-tubesheet connection per approved drawings. |
| Plugs | Subject to Go/No-Go testing per ASTM A-788. | Must be in sound condition. |
| Aluminum Fins | Removed approx. 7cm from tube sheet edge for hydrostatic test visibility. | Ensures leak detection accuracy. |
| Radiographic Film | Agfa D4 or equivalent. | Radiography contractor must be purchaser-approved. |
Final Deliverables-API 661 Heavy Duty High Pressure Air Cooler Finned Tube Bundle for Petrochemical Refinery
