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Product Description
Type B ISO13795 Double Bitts for Sea-going Vessels
Introduction of ISO13795 Double Bitts
ISO13795 Double Bitts were designed and manufactured for installation on sea-going vessels or boats and to be installed on board to belay the mooring and towing rope.
A wide range of sizes of ISO13795 Double Bitts with different load capacity can be provided to meet normal mooring and towing requirements.
The nominal sizes, Dn, of ISO13795 bollards are denoted by reference to the outside diameter of the post, in millimetres.maximum load on the rope applied to a bollard subjected to tug boat pull by using an eye splice at the end of the towing rope to connect to the bollard.
DEYUAN MARINE provides a full range of ISO13795 Double Bitts,including Type A & Type B double bitts with good workmanship.
All surfaces of our ISO13795 Double Bitts including welding would be free from any visible flaws or imperfections, and all surfaces in contact with the ropes shall be free from surface roughness or irregularities.
In addtion, all the ISO13795 Double Bitts would be coated externally with an anti-corrosion protective finish.
If you are looking for any ISO Standard Welded Steel Bollard or double bitts for your project, please donot hesitate to contact DEYUAN MARINE for a catalog.
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 | 45 | 54 | 5.5 | 49 | 5 | 540 | 10 | 165.2 | 185 | 320 | 80 | 400 |
| 200 | 68 | 82 | 9.4 | 65 | 6.7 | 795 | 13 | 216.3 | 240 | 365 | 85 | 500 |
| 250A | 150 | 156 | 16 | 134 | 14 | 1736 | 27 | 267.4 | 290 | 470 | 100 | 630 |
| 250B | 119 | 127 | 13 | 108 | 11 | 216 | 22 | 267.4 | 290 | 470 | 100 | 630 |
| 300A | 383 | 332 | 34 | 306 | 31 | 4365 | 62 | 318.5 | 340 | 575 | 125 | 800 |
| 300B | 203 | 186 | 19 | 161 | 16 | 353 | 36 | 318.5 | 340 | 575 | 125 | 800 |
| 350A | 582 | 443 | 45 | 418 | 43 | 6543 | 85 | 355.6 | 380 | 655 | 145 | 890 |
| 350B | 333 | 244 | 25 | 216 | 22 | 3757 | 50 | 355.6 | 380 | 655 | 145 | 890 |
| 400A | 793 | 594 | 61 | 521 | 53 | 8819 | 106 | 406.4 | 430 | 705 | 160 | 1000 |
| 400B | 441 | 326 | 33 | 269 | 27 | 4983 | 67 | 406.4 | 430 | 705 | 160 | 1000 |
| 450A | 979 | 753 | 77 | 612 | 62 | 10820 | 124 | 457.2 | 480 | 745 | 170 | 1100 |
| 450B | 517 | 382 | 39 | 292 | 30 | 5837 | 78 | 457.2 | 480 | 745 | 170 | 1100 |
| 500A | 1321 | 992 | 101 | 757 | 77 | 14470 | 154 | 508 | 530 | 790 | 190 | 1250 |
| 500B | 631 | 457 | 47 | 326 | 33 | 7102 | 93 | 508 | 530 | 790 | 190 | 1250 |
| 550A | 1530 | 1131 | 115 | 812 | 83 | 16628 | 165 | 558.8 | 580 | 840 | 210 | 1380 |
| 550B | 1059 | 781 | 80 | 541 | 55 | 9280 | 159 | 558.8 | 580 | 840 | 210 | 1380 |
| 600 | 1850 | 1401 | 143 | 948 | 97 | 15539 | 193 | 609.4 | 630 | 875 | 225 | 1380 |
