API Standard 661 Air Cooled Heat Exchangers for Petroleum, Petrochemical and Natural Gas Industries
Air-Cooled Heat Exchangers (ACHEs) are critical components in industrial processes, particularly in the petroleum, petrochemical, and natural gas industries.
Our company specializes in the design, manufacture, and supply of high-performance air-cooled heat exchangers. Our products provide effective cooling solutions that contribute to energy efficiency, operational sustainability, and long service life.
Product Component Overview
| Name | Quan. | Material | Single Weight(Kg) | Total Weight(Kg) |
| Bolt | 32 | SA-193 B7 | 0.1 | 3.2 |
| Windproof beam | 4 | Q235B | 20.1 | 80.4 |
| Block wind plate | 4 | Q235B | 9.8 | 39.2 |
| Floating header | 1 | Assembly | 324 | |
| Fixed plate | 8 | Q235B/S30408 | 0.1 | 0.8 |
| L-Angle steel | 4 | S30408 | 0.6 | 2.4 |
| Spring washer | 64 | 65Mn | 0.01 | 0.96 |
| Plain washer | 64 | 100HV | 0.01 | 0.96 |
| Nut | 64 | SA-194 2H | 0.03 | 2.88 |
| Bolt | 64 | SA-193 B7 | 0.09 | 8.64 |
| Floor plates | 30 | Q235B | 2.05 | 61.5 |
| Finned tube | 183 | 1060/SB-163 UNS N04400 | 22.3 | 4080.9 |
Production Process and Inspection Test Plan (ITP)
| 1 | Manufacutre |
| 1.1 | Tube bundle manufacture |
| 1.1.1 | Header box material prepare |
| 1.1.2 | Edge milling for tube plate |
| 1.1.3 | Assembling header box |
| 1.1.4 | Inside corner welding |
| 1.1.6 | Heat treatment of header box |
| 1.1.7 | Drill hole of tube plate |
| 1.1.8 | Flange & takeover group |
| 1.1.9 | Header box nozzle welding |
| 1.1.10 | Side beam welding |
| 1.1.11 | Frame assembling |
| 1.1.12 | Tube pass tube plate |
| 1.1.13 | Tube nozzle welding |
| 1.1.14 | Scrape tube nozzle |
| 1.1.15 | Plug installation |
| 1.1.16 | Hydrostatic test |
| 1.1.17 | Hydrostatic test |
| 1.1.18 | Painting |
| 2 | Packing |
| 2.1 | Packing |
Applications
