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pt_PTQuick release towing hook
Our quick release towing hook (also known as a disc hook) is especially designed to guarantee safe operation on work boats, supply vessels, harbor vessels and tugboats. It is available with manual or remote release, and can be customized with different load capacities and materials.
Quick release towing hooks – type GSH
The Straatman type GSH quick release towing hook supports safe and efficient towing operations on a wide range of vessels. Operators use this hook on workboats, supply vessels, harbor and coastal vessels, firefighting ships, and tugboats.
Operators can operate the GSH towing hook manually using a lever or rope. Even at full safe working load, the required operating force remains below 33 pounds. In addition, the two-step release mechanism prevents accidental opening during operation. The counterbalanced disc design allows easy manual reset after release. During release, the disc rotation limits the energy impact.
Moreover, the Straatman type GSH quick release towing hook is available in multiple capacities. Safe working loads range from 15 to 100 tonnes, allowing the hook to suit various vessel types and towing applications.
Options
We supply quick-release towing hooks with a wide range of available options, including:
- Spring-loaded shock absorber
- Customized designs
- Local hydraulic or pneumatic release
- Remote-controlled release
- Load monitoring system
- Hook foundation/bracket/towing post
Testing of quick release towing hooks
We test every quick-release towing hook at our facility using a calibrated 3,500 kN hydraulic testing machine. Therefore, each hook meets defined reliability and safety requirements before delivery.
For disc-type towing hooks, we perform load testing at 200 percent of the specified safe working load. The GSH-100 model forms an exception and undergoes testing at 150 percent of its safe working load. In addition, we test the release performance of every hook at the safe working load to verify the correct and consistent operation of the release mechanism. If required, a classification authority of your choice can witness the tests.
Specials
In addition to our standard range of quick-release towing hooks, we offer a wide range of options and custom designs to meet specific project requirements. Thanks to our in-house engineering and production facilities, we can respond quickly and efficiently to special requests.
Recently, we developed a hydraulic shock absorber for our smaller quick-release towing hooks in cooperation with a strategic partner. This solution is designed to improve load control during towing operations.
As shown in the image, we also supplied the integrated foundations for this project. These foundations are designed to be welded directly to the tugboat deck, allowing for straightforward installation.
Quick release towing hook – type GMH
Depending on project requirements and specific design details, our quick release mooring hook, can often be used as a quick-release towing hook. To facilitate this dual functionality, the GMH hook is standard equipped with a device known as a rope keeper.
Technical specifications
- Safe Working Load (SWL) range: 40 to 100 tonnes
- Test load: 150%
Options
- Custom-based SWL and proof load
- Local hydraulic or pneumatic release
- Remote-controlled release
- Load monitoring system
What to expect from our Straatman team
-
High Quality ProductsOur products are designed and manufactured with attention to detail. We use the best materials and check everything to make sure you get the best. -
Continuous InnovationWe always try to be better. We keep learning, improving and investing in research and development so we can give you the newest and best solutions. -
Dedicated and Enthusiastic TeamOur team loves what they do. They work hard to meet your needs and make you happy. -
Excellent Service LevelWe’re here to help you. Our team is always ready to answer your questions and make sure you’re happy with our service. -
Certified on Every Necessary LevelWe meet all the important standards. This means our products are safe, reliable, and trustworthy. -
We Do What We PromiseWe keep our promises. You can trust us to do what we say we will.
FREQUENTLY ASKED QUESTIONS
A quick release towing hook is a deck-mounted towing device used on tugboats and work vessels. It allows the towing line to be released instantly, even under full load, to improve safety.
During towing operations, loads can change suddenly. A quick release towing hook allows the crew to release the towing line immediately in emergencies, reducing the risk of capsizing or damage.
Quick release towing hooks are commonly used on:
. Tugboats
. Escort tugs
. Offshore support vessels
. Port and harbor service vessels
A standard towing hook requires manual release and may not release under load.
A quick release towing hook is designed to release instantly and safely, even under high tension.
The Safe Working Load depends on the model and application.
Typical capacities range from medium to very high loads for offshore and escort towing operations.
Yes. Many quick release towing hooks are specifically designed for escort towing and dynamic load conditions.
Depending on the design, operation can be:
. Manual
. Hydraulic
. Pneumatic
. Remote controlled from the bridge
Yes. Remote operation from the bridge or control panel is available for many systems, improving safety and control.
Yes. Optional load monitoring systems provide real-time load indication for the operator.
Yes. Quick release towing hooks can often be installed on existing vessels, subject to deck strength and class approval.
Quick release towing hooks can be supplied with certification from major classification societies such as:
. DNV
. Lloyd’s Register
. ABS
. Bureau Veritas
Regular inspection and routine maintenance are required. Maintenance intervals depend on operating conditions and class requirements.
Contact us for your maintenance request
Yes. They are designed for harsh marine environments and heavy-duty offshore operations.
With proper maintenance, a quick release towing hook has a long service life, even in demanding conditions.
Yes. Capacity, control systems and interfaces can often be customized to meet project requirements.
Key factors include:
. Required load capacity
. Type of towing operation
. Safety features
. Certification requirements
. Integration with existing systems
Commissioning support can be provided, depending on project scope.
Yes. Our service engineers provide global service and spare parts support is available.
Download our Mooring & Berthing catalogue now
Our Mooring and Berthing Catalogue offers clear specifications, available options, and essential product insights.
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