ISO 13729 Type A Deck Mounted Casting Steel Closed Mooring Chock Ship Towing Equipment
ISO 13729 Type A Deck Mounted Casting Steel Closed Mooring Chock Ship Towing Equipment
Description:
ISO13729 type A deck mounted casting steel closed mooring chock is a type of ship's mooring and towing fitting installed on the ship side to lead the mooring and towing rope from the ship's inboard to out board. The closed chocks are normally adopted for ships which use wire ropes. The radius of chock surface was designed based on the bending ratios of rope through the chock of not less than twelve times of the wire rope diameter.
Main Technical Specification:
- Standard: ISO 13729
- Type: A; deck mounted
- SWL Range: 23-141T;
- Materials: Casting C-Mn Steel, Casting Stainless Steel, also can supply special steel for icebreaker.
- Weight: 73 to 825kg;
- Surface treatment: sandblasting to S2.5 + one layer of epoxy shop primer, Polished Stainless Steel, customized surface treatment available.
- Classification Certificates: CCS, NK, BV, ABS, DNV-GL, LR, KR, RINA, IRS
Main Technical Parameters:
| Nominal size L×H×D |
I1 | I2 | I3 | I4 | H1 | H2 | H3 | R | R1 | R2 | R3 |
| 250 x200 x214 | 488 | 45 3 | 76 | 26 5 | 42 7 | 3 68 | 108 | 100 | 219 | 160 | 108 |
| 300x250x286 | 614 | 565 | 89 | 330 | 551 | 481 | 144 | 125 | 282 | 212 | 144 |
| 350x250x333 | 716 | 660 | 114 | 403 | 601 | 525 | 168 | 125 | 308 | 232 | 168 |
| 400x250x381 | 820 | 754 | 139 | 475 | 652 | 553 | 192 | 125 | 335 | 236 | 192 |
| 450x250x381 | 870 | 804 | 164 | 524 | 652 | 553 | 192 | 125 | 335 | 236 | 192 |
| 500x250x381 | 920 | 854 | 189 | 574 | 652 | 553 | 192 | 125 | 335 | 236 | 192 |
| 400x250x428 | 870 | 796 | 139 | 500 | 701 | 609 | 216 | 125 | 360 | 268 | 216 |
| 450x250x428 | 920 | 846 | 164 | 550 | 701 | 609 | 216 | 125 | 360 | 268 | 216 |
| 500x250x428 | 970 | 896 | 189 | 600 | 701 | 609 | 216 | 125 | 360 | 268 | 216 |
| 500x400x428 | 970 | 896 | 176 | 60 0 | 851 | 759 | 216 | 200 | 435 | 343 | 216 |
| 500x250x525A | 1068 | 1 000 | 190 | 652 | 798 | 675 | 264 | 125 | 409 | 286 | 264 |
| 500x400x525A | 1 068 | 1 000 | 193 | 652 | 948 | 825 | 264 | 200 | 484 | 361 | 264 |
| 500x250x5258 | 1 074 | 1 000 | 176 | 652 | 801 | 680 | 264 | 125 | 412 | 291 | 264 |
| 500x400x525B | 1 074 | 1 000 | 179 | 652 | 951 | 830 | 264 | 200 | 487 | 366 | 264 |
| Nominal size L×H×D |
R4 | Rs | Rs | d1 | T | Welding leg length a z1 |
SWL b (kN) |
SWL b (t) |
Wire rope diameter c: (recommended) |
Calculated weight d (kg) |
| 250x200x214 | 86 | 150 | 128 | 108 | 22 | 6 | 226 | 23 | 18 | 73 |
| 300x250x286 | 118 | 180 | 154 | 144 | 26 | 6,5 | 422 | 43 | 24 | 142 |
| 350x250x333 | 138 | 200 | 170 | 168 | 30 | 7,5 | 549 | 56 | 28 | 222 |
| 400x250x381 | 156 | 250 | 214 | 192 | 36 | 9 | 687 | 70 | 32 | 310 |
| 450x250x381 | 156 | 250 | 214 | 192 | 36 | 9 | 706 | 72 | 32 | 322 |
| 500x250x381 | 156 | 250 | 214 | 192 | 36 | 9 | 765 | 78 | 32 | 337 |
| 400x250x428 | 178 | 250 | 212 | 216 | 38 | 9,5 | 883 | 90 | 36 | 434 |
| 450x250x428 | 178 | 250 | 212 | 216 | 38 | 9,5 | 912 | 93 | 36 | 452 |
| 500x250x428 | 178 | 250 | 212 | 216 | 38 | 9,5 | 932 | 95 | 36 | 472 |
| 500x400x428 | 178 | 250 | 212 | 216 | 38 | 9,5 | 893 | 91 | 36 | 528 |
| 500x250x525A | 224 | 320 | 280 | 264 | 40 | 10 | 1148 | 117 | 44 | 657 |
| 500x400x525A | 224 | 320 | 280 | 264 | 40 | 10 | 1158 | 118 | 44 | 724 |
| 500x250x5258 | 218 | 320 | 274 | 264 | 46 | 11,5 | 1413 | 144 | 44 | 753 |
| 500x400x5258 | 218 | 320 | 274 | 264 | 46 | 11,5 | 1383 | 141 | 44 | 825 |
Drawing of ISO 13729 Type A Deck Mounted Casting Steel Closed Towing Chock Mooring Chock Ship Towing Equipment
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