Our quick release towing hook (also known as disc hook) is especially designed to guarantee safe operation on work boats, supply vessels, harbour, coastal, fire fighting and tugboats. Our hooks can be equipped with all kinds of options.
Our quick release towing hook type GSH (also known as disc hook) is especially designed to guarantee safe operation on work boats, supply vessels, harbour, coastal, fire fighting and tugboats.
The GSH towing hook can be operated manually by means of a lever or a rope with a maximum effort of 15 kg at full load. A two-step release mechanism prevents accidental opening. It can be reset manually very easily, as the disc is counterbalanced. During the release, the rotation reduces the energy impact to a minimum.
The Straatman quick release towing hook type GSH (disc type) is available in a range of SWL 15-100 Tonnes.
Besides our well known quick release towing hook type GSH, we have developed a small and light towing hook type BG-7, especially designed for small tug boats and work boats. The smart design has led to a light and low cost towing hook.
The BG-7 can be operated manually by means of a lever or a rope with a little effort of maximum 15 kgf at full load. A two-step release mechanism prevents accidental opening. It can be reset manually very easily, as the disc is counterbalanced. During release, the rotation of the disc reduces the energy impact to a minimum.
The Straatman quick release towing hook type BG-7 has a SWL of 7 Tonnes and is load tested at 2x SWL.
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This video shows the principle function of our quick release towing hook. In this case it concerns a GSH-15 (SWL 15 Tonnes) which is released manually by meaning of a rope.
All our quick release towing hooks are tested on our calibrated 3.500 KN hydraulic testing machine.
Each disc type towing hook (GSH and BG-7) will be tested at 200% of the safe working load, with the exception of the GSH-100. This hook is tested at 150% of the SWL. All hooks undergo a release performance test at the safe working load.
If so desired, the test can be witnessed by any classification authority of your choice.
All factory and witness test certificates will be provided as a part of the user manual and construction file.
Besides our standard range of quick release towing hooks, we can produce and supply a wide range of options and customized designs.
Because of our in-house engineering and production departments we can respond quick and adequate to special requests.
Together with one of our strategic partners we recently developped a hydraulic powered shock absorber especially designed for our smaller range of quick release towing hooks.
As shown on this picture left, for this project we produced the integrated foudations as well. In this case to be welded at the deck surface of the tug boat.
Depending on project requirements and design details our quick release mooring hook type GMH is often used as quick release towing hook as well. For this purpose the GMH hook will standard be equipped with a so called rope keeper.
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