Casting Steel Recessed Bitts Ship Towing Equipment Ship Towing Equipment
Description:
The recessed bitt is a type of ship's towing fitting installed on the side shell of the ship.
Recessed bitts are normally provided to easily attach the towing lines where the height of the mooring deck is too high.
Main Technical Specifications:
Main Technical Parameters:
Nominal size Dn | D1 | d1 | b1 | b2 | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 |
850 | 850 | 750 | 200 | 280 | 450 | 500 | 250 | 65 | 115 | 50 | 55 | 250 |
920 | 920 | 812 | 216 | 300 | 490 | 544 | 270 | 70 | 124 | 55 | 60 | 270 |
Nominal size Dn | R9 | R10 | t1 | f1 | f2 | f3 | f4 | f5 | h1 | h2 | h3 | |
850 | 180 | 30 | 50 | 500 | 250 | 180 | 248,7 | 263,4 | 400 | 190 | 110 | |
920 | 195 | 30 | 54 | 544 | 270 | 195 | 274,3 | 290,4 | 430 | 205 | 110 |
Nominal size Dn | Type | Material (minimum yield strength) | SWL | Calculated weight kg | |
kN | t | ||||
850 | Type 75 | 235 N/mm2 | 736 | 75 | 770 |
Type 110 | 350 N/mm2 | 1079 | 110 | 770 | |
Type 135 | 430 N/mm2 | 1324 | 135 | 770 | |
920 | Type 100 | 235 N/mm2 | 981 | 100 | 826 |
Type 150 | 350 N/mm2 | 1472 | 150 | 826 | |
Type 180 | 430 N/mm2 | 1766 | 180 | 826 |
Drawing of Casting Steel Recessed Bitts Ship Towing Equipment