
Marine Air Vent Head For Ballast Tank
● Material: cast iron, cast steel
● Standard: JIS, CB
● Pressure: 5K, 10K
● Application: ballast tank, water tank, oil tank
Description
Marine air vent head also called air pipe head. Air vent head is used for ballast tank ventilation can also be used for the ventilation of other oil tank or water tank on the vessel.
Specification of Air Vent Head JIS-KS91A-121 5k DN50-450

Material:
No. | Name | Material |
1 | Hex. bolt | SS304 |
2 | Top cove | SS400 |
3 | Seat packing | Asbestos |
4 | Main frame | FC200, FCD450 |
5 | Hex. bolt | SS304 |
6 | Packing | NBR |
7 | Filter | SS304 |
8 | Screen cover | SS400 |
9 | Disk (float) | SS316 |
10 | Hex. bolt | SS304 |
11 | Rubber cushion | NBR |
12 | Washer | SS304 |
13 | Guide bolt | SS304 |
Dimension (mm)
DN | D2 | D3 | HT | H1 | T | N-d1 | Weight ( KG) |
50 | 105 | 130 | 175 | 127 | 14 | 4-D15 | 8 |
65 | 130 | 155 | 204 | 164 | 14 | 4-D15 | 13 |
80 | 145 | 180 | 244 | 176 | 14 | 4-D15 | 16 |
100 | 165 | 200 | 220 | 160 | 16 | 8-D19 | 23 |
125 | 200 | 235 | 250 | 180 | 16 | 8-D19 | 34 |
150 | 230 | 265 | 285 | 208 | 18 | 8-D19 | 47 |
200 | 280 | 320 | 365 | 269 | 20 | 8-D23 | 72 |
250 | 345 | 385 | 430 | 314 | 22 | 12-D23 | 120 |
300 | 390 | 430 | 530 | 367 | 22 | 12-D23 | 178 |
350 | 435 | 480 | 570 | 415 | 24 | 12-D23 | 196 |
400 | 495 | 540 | 640 | 475 | 24 | 12-D23 | 235 |
450 | 555 | 605 | 713 | 522 | 24 | 12-D23 | 298 |

There are also other air vent head for choose
Air Vent Head Niikura 53ON DN50-200
● JIS 5K
● DN50-DN200

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