Donut Collar Anodes
Limited clearance donut collar anodes have “locked-in” Stainless Steel nuts and only Stainless Steel hardware is used. All donut collar anodes have two stainless steel allen screws, and stainless steel nuts pressed in.
Zinc Anodes conform to Mil-A-18001K metal composition, are 95% efficient and will maintain a high potential throughout it’s life. Aluminum Anodes conform to MIL-A-24779 alloy and are 85% efficient. We do not recommend the usage of Aluminum anodes in fresh or lower levels of brackish water.
| ZINC PART | ALUMINUM PART | SHAFT (INCHES) | O D (INCHES) | LENGTH (INCHES) | ZN / AL (LBS) |
| C-0H | AC-0H | 0.5 | 2.12 | 1 | .7 / .27 |
| C-0AH | AC-0H | 0.62 | 2.12 | 1 | .73 / .29 |
| C-1 | AC-1 | 0.75 | 2.12 | 1 | .67 / .26 |
| C-2 | AC-2 | 0.87 | 2.12 | 1 | .64 / .25 |
| C-3 | AC-3 | 1 | 2.5 | 1.25 | 1.1 / .43 |
| C-4 | AC-4 | 1.12 | 2.5 | 1.25 | 1.03 / .4 |
| C-5 | AC-5 | 1.25 | 2.5 | 1.25 | .98 / .38 |
| C-6 | AC-6 | 1.37 | 3 | 1.25 | 1.48 / .58 |
| C-7 | AC-7 | 1.5 | 3 | 1.25 | 1.42 / .55 |
| C-8 | AC-8 | 1.75 | 4 | 1.37 | 3.11 / 1.21 |
| C-9 | AC-9 | 2 | 4 | 1.37 | 2.79 / 1.09 |
| C-10HD | AC-10HD | 2 | 5 | 1.5 | 5.2 / 2.03 |
| C-9A | AC-9A | 2.25 | 4 | 1.37 | 2.56 / 1 |
| C-11HD | AC-11HD | 2.25 | 5 | 1.5 | 4.9 / 1.91 |
| C-12 | AC-12 | 2.5 | 5 | 1.5 | 4.59 / 1.79 |
| C-12A | AC-12A | 2.75 | 5 | 1.5 | 4.48 / 1.75 |
| C-13 | AC-13 | 3 | 5 | 1.5 | 4.11 / 1.61 |
| C-13HD | AC-13HD | 3.25 | 6.5 | 1.5 | 8.3 / 3.24 |
| C-14 | AC-14 | 3.5 | 6.5 | 1.5 | 7.8 / 3.05 |
| C-15 | AC-15 | 4 | 6.5 | 1.5 | 6.7 / 2.62 |
| C-18 | AC-18 | 4.5 | 7.62 | 1.5 | 11.1 / 4.34 |
| C-19 | - | 5 | 7.62 | 1.5 | 9.8 / - |
| C-20 | - | 5.5 | 9.75 | 1.625 | 17 / - |
| METRIC | |||||
| C-25MM | AC-25 | 25 mm | 2.5 | 1.25 | 1.1 / - |
| C-30MM | AC-30 | 30 mm | 2.5 | 1.25 | 1.05 / - |
| C-35MM | AC-35 | 35 mm | 3 | 1.25 | 1.5 / - |
| C-40MM | AC-40 | 40 mm | 3 | 1.25 | 1.34 / - |
| C-45MM | AC-45 | 45 mm | 4 | 1.37 | 3.1 / - |
| C-50MM | AC-50 | 50 mm | 4 | 1.37 | 2.8 / - |
