Njord EB (Ellipsoidal Buoyancy) & Njord SB (Spherical Buoyancy) provide long term, stable buoyancy to an array of underwater equipment. With a full line of buoyancy solutions ranging from 100 meters to 6,000 meter water depths, these buoys are available in numerous sizes and shapes to ensure successful deployment and recovery during mooring expeditions.
Benefits
100 to 6,000 meter depth rated
Spherical or low drag ellipsoidal geometries
Custom through holes
Low maintenance
Application
Oceanographic mooring
Subsurface mooring
Acoustic Doppler Current Profiler (ADCP)
Fixed installation
Buoy Fill - Standard
Reference table to illustrate depth of application, diameter of the buoy and the uplift it provides.
Depth (m) | Diameter | Uplift (lbs) |
---|---|---|
300 |
16" Buoy, 1" hole
|
43
|
300 | 30" Buoy, 1" hole |
334 |
300 | 16" Buoy, 11" hole |
264 |
300 | 33" Buoy, 1" hole |
244 |
300 | 35" Buoy, 1" hole |
531 |
300 | 35" Buoy, 11"; 4" hole |
437 |
300 | 47" Buoy, 1" hole |
1,293 |
300 | 47" Buoy, 11" hole |
1,194 |
300 | 65" Buoy, 1" hole |
3,418 |
300 | 65" Buoy, 11" hole |
3,282 |
500 | 35" Buoy, 1" hole |
508 |
500 | 35" Buoy, 11"; 4" hole |
427 |
500 | 47" Buoy, 11" hole |
1,143 |
1,000 | 16" Buoy, 1" hole |
37 |
1,000 | 30" Buoy, 1" hole |
294 |
1,000 | 30" Buoy, 1", 3", 4" hole |
271 |
1,000 | 30" Buoy, 11" hole |
233 |
1,000 | 30" Buoy, 11"; 4" hole |
227 |
1,000 | 33" Buoy, 1" hole |
218 |
1,000 | 33" Buoy, 1", 2.5" hole |
184 |
1,000 | 33" Buoy, 10" hole |
186 |
1,000 | 33" Buoy, 10"; (2)-4" hole |
169 |
1,000 | 33" Buoy, 10"; (4)-6" hole |
144 |
1,000 | 33" Buoy, 10"; (2)-6" hole |
160 |
1,000 | 35" Buoy, 1" hole |
463 |
1,000 | 35" Buoy, 11" hole | 396 |
Depth (m) | Diameter | Uplift (lbs) |
---|---|---|
1,000 | 47" Buoy, 1" hole |
1,148 |
1,000 | 47" Buoy, 11" hole |
1,053 |
1,000 | 47" Buoy, 11"; 1.5" hole |
813 |
1,000 | 65" Buoy, 1" hole |
3,008 |
1,000 | 65" Buoy, 1"; 2"; 11" hole |
2,890 |
1,000 | 65" Buoy, 2" hole |
2,986 |
1,000 | 65" Buoy, 11" hole |
2,893 |
1,500 | 17" Buoy, 1" hole |
32 |
1,500 | 30" Buoy, 1" hole |
257 |
1,500 | 30" Buoy, 11" hole |
208 |
1,500 | 33" Buoy, 1" hole |
188 |
1,500 | 33" Buoy, 11" hole |
159 |
1,500 | 35" Buoy, 1" hole |
410 |
1,500 | 35" Buoy, 11" hole |
351 |
1,500 | 47" Buoy, 1" hole |
885 |
1,500 | 47" Buoy, 11" hole |
813 |
1,500 | 65" Buoy, 1" hole |
2,629 |
1,500 | 65" Buoy, 2" hole |
2,626 |
1,500 | 65" Buoy, 11" hole |
2,532 |
2,000 | 16" Buoy, 1" hole |
28 |
2,000 | 20" Buoy |
60 |
2,000 | 24" Buoy | 112 |
2,000 | 30" Buoy, 1" hole |
229 |
2,000 | 30" Buoy, 11" hole |
185 |
2,000 | 30" Buoy, 11"; 4" hole |
181 |
2,000 | 33" Buoy, 10" hole |
135 |
Depth (m) | Diameter | Uplift (lbs) |
---|---|---|
2,000 | 33" Buoy, 10"; 2"; 3" hole |
135 |
2,000 | 35" Buoy, 1" hole |
359 |
2,000 | 35" Buoy, 11" hole |
305 |
2,000 | 35" Buoy, 11"; 1.5" hole |
305 |
2,000 | 47" Buoy, 1" hole |
893 |
2,000 | 47" Buoy, 11" hole |
830 |
2,000 | 47" Buoy, 11"; 1.5" hole |
821 |
2,000 | 65" Buoy, 1" hole |
2,335 |
2,000 | 65" Buoy, 2" hole |
2,334 |
2,000 | 65" Buoy, 11" hole |
2,209 |
3,000 | 16" Buoy, 1" hole |
20 |
3,000 | 20" Buoy, 1" hole |
48 |
3,000 | 30" Buoy, 1" hole |
159 |
3,000 | 30" Buoy, 11" hole |
126 |
3,000 | 33" Buoy, 1" hole |
157 |
3,000 | 33" Buoy, 10" hole |
133 |
3,000 | 35" Buoy, 1" hole |
277 |
3,000 | 35" Buoy, 11" hole |
238 |
3,000 | 47" Buoy, 1" hole |
673 |
3,000 | 47" Buoy, 11" hole |
679 |
3,000 | 65" Buoy, 1" hole |
1,788 |
3,000 | 65" Buoy, 11" hole |
1,690 |
4,000 | 35" Buoy, 1" hole |
227 |
4,000 | 65" Buoy, 1" hole |
1,464 |
5,000 | 65" Buoy, 1" hole |
1,298 |
35" Buoy, 1" hole |
35" Buoy, 1" hole |
Buoy Fill - Carbon
Reference table to illustrate depth of application, diameter of the buoy and the uplift it provides.
Depth (m) | Diameter | Uplift (lbs) |
---|---|---|
300 |
16" Buoy, 1" hole |
45 |
300 | 30" Buoy, 1" hole |
348 |
300 | 30" Buoy, 11" hole |
278 |
300 | 33" Buoy, 1" hole |
254 |
300 | 33" Buoy, 10" hole |
203 |
300 | 35" Buoy, 1" hole |
553 |
300 | 35" Buoy, 11" hole |
465 |
300 | 47" Buoy, 1" hole |
1,349 |
300 | 47" Buoy, 11" hole |
1,244 |
300 | 65" Buoy, 1" hole |
3,565 |
300 | 65" Buoy, 11" hole |
3,421 |
1,000 | 16" Buoy, 1" hole |
40 |
1,000 | 30" Buoy, 1" hole |
313 |
1,000 | 30" Buoy, 11" hole |
252 |
1,000 | 33" Buoy, 1" hole |
232 |
1,000 | 33" Buoy, 10" hole |
197 |
1,000 | 35" Buoy, 1" hole |
493 |
1,000 | 35" Buoy, 11" hole |
421 |
1,000 | 47" Buoy, 1" hole |
1,222 |
Depth (m) | Diameter | Uplift (lbs) |
---|---|---|
1,000 |
47" Buoy, 11" hole |
1,130 |
1,000 | 65" Buoy, 1" hole |
3,205 |
1,000 | 65" Buoy, 11" hole |
3,079 |
1,500 | 16" Buoy, 1" hole |
37 |
1,500 | 30" Buoy, 1" hole |
291 |
1,500 | 30" Buoy, 11" hole |
234 |
1,500 | 33" Buoy, 1" hole |
213 |
1,500 | 33" Buoy, 1" hole |
179 |
1,500 | 35" Buoy, 1" hole |
463 |
1,500 | 35" Buoy, 11" hole |
396 |
1,500 | 47" Buoy, 1" hole |
1,015 |
1,500 | 47" Buoy, 11" hole |
931 |
1,500 | 65" Buoy, 1" hole |
2,973 |
1,500 | 65" Buoy, 11" hole |
2,859 |
2,000 | 16" Buoy, 1" hole |
35 |
2,000 | 30" Buoy, 1" hole |
281 |
2,000 | 30" Buoy, 11" hole |
227 |
2,000 | 33" Buoy, 1" hole |
206 |
2,000 | 33" Buoy, 10" hole |
174 |
Depth (m) | Diameter | Uplift (lbs) |
---|---|---|
2,000 |
35" Buoy, 1" hole |
442 |
2,000 | 35" Buoy, 11" hole |
378 |
2,000 | 47" Buoy, 1" hole |
1,098 |
2,000 | 47" Buoy, (2) 1" hole |
911 |
2,000 | 47" Buoy, 11" hole |
1,017 |
2,000 | 65" Buoy, 1" hole |
2,874 |
2,000 | 65" Buoy, 11" hole |
2,766 |
3,000 | 16" Buoy, 1" hole |
28 |
3,000 | 30" Buoy, 1" hole |
216 |
3,000 | 30" Buoy, 11" hole |
172 |
3,000 | 33" Buoy, 1" hole |
164 |
3,000 | 33" Buoy, 10" hole |
139 |
3,000 | 35" Buoy, 1" hole |
267 |
3,000 | 35" Buoy, 11" hole |
314 |
3,000 | 47" Buoy, 1" hole |
895 |
3,000 | 47" Buoy, 11" hole |
886 |
3,000 | 65" Buoy, 1" hole |
2,475 |
3,000 | 65" Buoy, 11" hole |
2,392 |

Njord EB
Subsea ellipsoidal buoys, providing long term, stable buoyancy to arrays of underwater equipment.

Njord EB
Subsea ellipsoidal buoys, providing long term, stable buoyancy to arrays of underwater equipment.

Njord SB
Subsea spherical buoys, providing long term, stable buoyancy to arrays of underwater equipment.