Topland offers a wide range of high-quality cartridge assemblies designed for various swivel models and today's leading Top Drive systems. Whether you require a complete assembly or individual replacement components, we provide reliable and cost-effective solutions. Our product range includes compatible replacement parts for the following swivel models:
| National | Ideco | Emsco |
| P-200/300/400/500/650 | TL-120 | LB-200/300 |
| P-750 | TL-200 | LB-400/500/650 |
| N-24/N-35 | TL-300 | LB-140 |
| N-47/69/815/1324 | TL-400 | LA-200/LA-300 |
| P & N Gooseneck Connections | TL-500 |
| Gardner Denver | Oilwell | Brewster |
| SW-400/550 | PC100/150 | 6-BX, 7-BX, 8-BX - QC19 |
| SW-75 | PC225 | 6-SX, 7-SX, 8-SX - QC15 |
| SW-125 | PC300 | 9-SX - QC21 |
| SW-200 | PC500 | |
| SW-300 | PC650 |
All wash pipes are thoroughly inspected to meet stringent quality and workmanship standards. Produced from high-grade alloy steel, they are hard-faced in key wear areas to maximize durability and corrosion resistance. Precision-ground sealing surfaces, threads, and flanges ensure exact alignment, reliable sealing performance, and long-term operational efficiency in demanding drilling environments.