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ISO13729 Deck Mounting Closed Chock Type A

Place of Origin: China
Brand: DEYUAN MARINE
Standard: ISO13729
Type: Closed chock,Type A
Installation: deck mounting
Material: Cast Steel
SWL: 23T-141T
Certificate: Any IACS certificate available
Surface: with anti-corrosion protective finish

Product Description

ISO13729 Deck Mounting Closed Chock  Type A

ISO13729 mooring chock type A product description

Introduction of ISO13729 Deck Mounting Closed Chock

ISO13729 deck mounting Closed Chock is a type of ship's mooring and towing fitting installed on the shipside to lead the mooring and towing rope from the ship's inboard to outboard.

ISO13729 deck mounting Closed Chocks are normally adopted for ships which use wire ropes. And

ISO13729 closed chock is to be classified by its installation site as follows

Type A – ISO13729 Deck-mounted closed chock

Type B – ISO13729 Bulwark-mounted closed chock


Both types of closed chocks are made from steel casting material having a yield point of not less than 235 N/mm2 or equivalent.

All surfaces of our 13729 closed chocks including welding are free from any visible flaws or imperfections, 

All surfaces in contact with the ropes are free from surface roughness or irregularities likely to cause 

damage to the ropes by abrasion.

DEYUAN MARINE provides good  workmanship of ISO Standard Mooring Chocks in various size, pls feel free to contact us at any time if you are interested.

ISO13729 mooring Chock for ships technical parameters

 ISO13729 Deck Mounting Closed Chock Type A

Nominal size Wire rope Dia. SWL Weight Dimensions
L x H x D(mm) (recommended) (kn) (t) (kg) l1 l2 l4 H1 H2 H3
250x200x214 18 226 23 73 488 453 265 427 368 108
300x250x286 24 422 43 142 614 565 330 551 481 144
350x250x333 28 549 56 222 716 660 403 601 525 168
400x250x381 32 687 70 310 820 754 475 652 553 192
450x250x381 32 706 72 322 870 804 524 652 553 192
500x250x381 32 765 78 337 920 854 574 652 553 192
400x250x428 36 883 90 434 870 796 500 701 609 216
450x250x428 36 912 93 452 920 846 550 701 609 216
500x250x428 36 932 95 472 970 896 600 701 609 216
500x400x428 36 893 91 528 970 896 600 851 759 216
500x250x525A 44 1148 117 657 1068 1000 652 798 675 264
500x400x525A 44 1158 118 724 1068 1000 652 948 825 264
500x250x525B 44 1413 144 753 1074 1000 652 801 680 264
500x400x525B 44 1383 141 825 1074 1000 652 951 830 264

ISO13729 deck mounting mooring chock

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