Marine chocks

Triangle Type Towing Chock

  • Material: Cast Steel ZG230-450
  • Nominal Size: 348*388mm to 430*580mm
  • Weight: 540kg-780kg
  • Finishing: the mooring chocks shall be coated externally with an anti-corrosion protective finish.
  • Installation site: on the deck/bulwark
  • Certificate: CCS, ABS, BV, LR, etc.


The triangle type towing chocks are the commonest special shape marine towing chocks. The triangle towing chock can also be installed on deck with towing bitts with the foundation, but normally the chocks are installed on the bulwark because of its high SWL. The towing chocks can also be the mooring chock, which is used as the mooring fittings if there are some needs. The material is ZG230-450 in Chinese standard, and the yield strength should be not less than that. The surface of the mooring chocks is fine polished and well painted without any bur or defect in visual. The inside of the chock can also be covered by a 3mm or 5mm SS316L plate to protect the chock and mooring ropes both. They are widely used for small boats and different vessels, such as container vessels, tankers, bulk carriers, etc.

Features Of Triangle Type Towing Chock  

  1. High SWL for mooring and towing purposes both.
    2. Wide application.
    3. Smooth surface treatment for better protection of the rope lines.
    4. Customized orders are supported.

Applications Of Triangle Chock

Small boats;
Sea-going vessels;

The marine chock is an important mooring equipment. There’re different types of mooring chocks with different standards including ISO, JIS, DIN, NS. SWL will be from 8KN to 3000KN according to your requirements. In the process of mooring ship, it bears huge loads. Usually, the ship bollards and mooring chock are for the whole ship mooring use. The general bow and stern of ship block the bollard fairlead, quantity large. Of intermediate section above without or bollards, fairlead rarely. Fairlead is oblique chock more insurance, because it is closed, the cable will not jump out. The triangle chocks are widely used for small boats and different vessels, such as container vessels, tankers, bulk carriers, tug, dry cargo vessels, etc.

Marine mooring chock has two types: deck mounted chock & bulwark mounted chock. The material is casting steel ZG230-450 normally. IACS approved quality to withstand all conditions. Certificated by BV, ABS, LRS, DNVGL, RS, IRS, CCS, KR, NK, etc. We could also provide you with a customized design with CAD drawings.

Machine Specifications

NS2590 Mooring Chock
Nominal Size SWL Dimensions(mm) Weight
(mm) (kN) B1 H1 L1 W1 W2 (kg)
300*250 445 348 610 660 300 250 110
400*250 625 348 610 760 400 250 175

Inquiry Now

    Related Products