Dunn & Watson 700mm Gas Strut – Built for Tough Environments
The Dunn & Watson 700mm Gas Strut is engineered to deliver dependable support and smooth operation in demanding conditions. Perfect for applications such as camper trailers, caravans, 4WDs, toolboxes, and canopies, this gas strut ensures long-lasting durability and consistent performance.
Key Specifications
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Stroke Length: 310mm
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Fully Extended Length: 700mm
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Cylinder Diameter: 22mm
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Shaft Diameter: 10mm
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Thread Size: M8
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End Fittings: Compatible with 13mm ball joints
Advanced Features for Enhanced Performance
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Premium Skeleton Oil Seal: Incorporates an L-shaped “Skeleton Oil Seal” that provides superior sealing performance, resists deformation, and minimizes gas leakage even under high pressure and frequent use.
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High Purity Nitrogen Fill: Utilizes 99.9999% pure nitrogen to prevent internal corrosion and degradation caused by oxygen or moisture, ensuring consistent performance and extended service life.
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Nitrocarburized Rod for Durability: Features a nitrocarburized rod offering greater corrosion and wear resistance than standard chrome, ideal for marine, off-road, or industrial applications.
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Enhanced Oil Capacity: Designed with more oil and a larger cylinder than the industry average, delivering smoother operation, better heat dissipation, and extended performance.
Available Force Ratings
The 700mm gas strut is available in multiple force ratings to suit different load requirements:
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100N
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200N
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300N
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400N
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500N
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600N
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700N
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800N
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900N
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1000N
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1100N
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1200N
Note: The force rating is measured in Newtons (N), and the appropriate rating should be selected based on the weight and application requirements.
Durability and Testing
Dunn & Watson gas struts undergo rigorous testing to ensure reliability:
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Cycle Testing: Each strut is tested to 50,000 cycles to simulate long-term use.
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Corrosion Resistance: The shafts are subjected to 150 hours of salt exposure testing to assess corrosion resistance.
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Backup Seals: Manufactured with additional backup seals to ensure continued operation in the unlikely event of a primary seal failure.
Versatile Applications
This gas strut is versatile and can be utilized in various settings, including:
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Automotive: Assisting in the smooth operation of hatches, tailgates, and bonnets.
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Recreational Vehicles: Facilitating easy access to storage compartments and canopies.
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Industrial Equipment: Supporting lids, doors, and panels for efficient operation.
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Marine: Enhancing the functionality of boat compartments and storage areas.
Installation and Compatibility
The 700mm gas strut is designed for easy installation and is compatible with standard mounting brackets and fittings. It is essential to select the appropriate force rating based on the weight and application requirements to ensure optimal performance.
Given that gas struts are commonly used on doors for camper trailers, caravans, and boats, you might also be interested in our range of hinges, locks & handles, drawer slides, foam & rubber seals, fasteners, and much more.
Given that Gas Struts are commonly used on doors for camper trailers, caravans and boats you might also be interested in our range Hinges, locks & handles, drawer slides, foam & rubber seals, fasteners and much more.












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