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Product Description
Type A ISO13795 Bollards with compact plate
Introduction of ISO13795 Bollards
ISO13795 Bollards，also know as ISO13795 Double Bitts or Double Bollards, is a type of ship’s mooring and towing fitting installed on board to belay the mooring and towing rope.
ISO13795 Double Bitts were designed and fabricated for installation on sea-going vessels to meet normal mooring and towing requirements.
Type A ISO13795 Bollards is a welded steel bollard and designed with a compact weldable steel plates having a yield point of not less than 235 N/mm2.
And the posts of the ISO13795 bollards would be constructed from steel tubes or formed from plate.
The fins of type A ISO13795 Bollards would be installed to keep the ropes as low as possible so as to reduce the loads to the bollard posts from the mooring/towing ropes.
An eye plate of Type A ISO13795 Double Bitts would be provided for tying the stopping-off rope or chain.
DEYUAN MARINE Provides two types of ISO13795 bollards with various sizes
ISO13795 bollards Type A – with compact base plate
ISO13795 bollards Type B – with wide base plate
ISO13795 Double Bitts
| Nominal Size | Calculated weight | For mooring purposees (Figure-of-eight belay) | For towing purposes (Eye splice) | Dimensions(mm) | ||||||||
| One-rope use | Two-rope use | |||||||||||
| kg | kn | t | kn | t | kn | t | D1 | D2 | H1 | H2 | L | |
| 150 | 29 | 54 | 5.5 | 49 | 5 | 383 | 10 | 165.2 | 185 | 330 | 90 | 400 |
| 200 | 46 | 82 | 8.4 | 65 | 6.7 | 579 | 13 | 216.3 | 240 | 395 | 115 | 500 |
| 250A | 107 | 156 | 16 | 134 | 14 | 1315 | 27 | 267.4 | 290 | 505 | 135 | 630 |
| 250B | 91 | 127 | 13 | 108 | 11 | 215 | 22 | 267.4 | 290 | 505 | 135 | 630 |
| 300A | 281 | 332 | 34 | 306 | 31 | 3365 | 62 | 318.5 | 340 | 600 | 150 | 800 |
| 300B | 166 | 186 | 19 | 161 | 16 | 352 | 36 | 318.5 | 340 | 600 | 150 | 800 |
| 350A | 431 | 443 | 45 | 418 | 43 | 5062 | 85 | 355.6 | 380 | 685 | 175 | 890 |
| 350B | 241 | 244 | 25 | 216 | 22 | 2855 | 50 | 355.6 | 380 | 685 | 175 | 890 |
| 400A | 570 | 594 | 61 | 521 | 53 | 6632 | 106 | 406.4 | 430 | 730 | 185 | 1000 |
| 400B | 322 | 326 | 33 | 269 | 27 | 3816 | 67 | 406.4 | 430 | 730 | 185 | 1000 |
| 450A | 712 | 753 | 77 | 612 | 62 | 8201 | 124 | 457.2 | 480 | 770 | 195 | 1100 |
| 450B | 379 | 382 | 39 | 292 | 30 | 4483 | 78 | 457.2 | 480 | 770 | 195 | 1100 |
| 500A | 960 | 992 | 101 | 757 | 77 | 10928 | 154 | 508 | 530 | 830 | 230 | 1250 |
| 500B | 465 | 457 | 47 | 326 | 33 | 5474 | 93 | 508 | 530 | 830 | 230 | 1250 |
| 550A | 1123 | 1131 | 115 | 812 | 83 | 12635 | 165 | 558.8 | 580 | 900 | 270 | 1380 |
| 550B | 787 | 781 | 80 | 541 | 55 | 9280 | 159 | 558.8 | 580 | 900 | 270 | 1380 |
| 600 | 1391 | 1401 | 143 | 948 | 97 | 15539 | 193 | 609.4 | 630 | 950 | 300 | 1550 |
