2″x10′ 45/50MM 3M Auto Ratcheting S Hook Retractable Ratchet Tie Down Strap with Damping
50mm retractable ratchet strap with damping is a specialized tool designed for securing and tensioning loads during transportation or storage. Below is a detailed introduction to its features, applications, and technical aspects, based on available information and industry knowledge:
1. Structure and Mechanism
- Retractable Design: The strap incorporates a retractable mechanism, allowing the webbing to be smoothly extended and retracted. This feature minimizes tangling and ensures easy handling.
- Ratchet System: The ratchet mechanism enables precise tensioning. By cranking the handle, users can incrementally tighten the strap to secure heavy loads, preventing movement during transit.
- Damping Function: The damping system (often hydraulic or spring-based) controls the speed of strap retraction, reducing sudden recoil and enhancing safety. This is particularly useful when releasing tension to avoid abrupt movements that could damage cargo or cause injury.
2. Material and Durability
- Webbing: Typically made from high-strength polyester, the 50mm-wide webbing offers excellent resistance to abrasion, UV rays, and moisture. These materials ensure long-term durability even under harsh conditions.
- Hardware: The ratchet body and s hooks are usually constructed from hardened steel or zinc-plated alloy for corrosion resistance. The damping components may include rubberized or composite materials to absorb vibrations.
3. Key Applications
- Cargo Control: Widely used in logistics and trucking to secure pallets, machinery, and construction materials. The 50mm width provides sufficient strength for heavy-duty applications.
- Marine and Automotive: Ideal for boats, motorcycles, or car roof racks, where vibration damping is critical to prevent loosening during movement.
- Industrial Storage: Ensures stability for stacked goods in warehouses, reducing the risk of shifting or collapse.
4. Technical Specifications
- Load Capacity: A 50mm retractable ratchet strap with damping typically has a working load limit (WLL) of 1000 kg, depending on material quality and design.
- Damping Efficiency: The damping system reduces retraction force by 30–50%, minimizing wear on the strap and hardware.
- Compliance: Often meets international standards such as EN 12195-2 (European load-securing norms) or WSTDA-T-1 regulations for transportation safety.
5. Advantages Over Standard Straps
- Safety: The damping mechanism prevents sudden release, reducing accident risks.
- Convenience: Retractable design simplifies storage and deployment.
- Versatility: Compatible with various anchor points (e.g., D-rings, tie-down rails).
Model Number: WDRRS050
Suit for light haulage, securing light cargo on pick-up trucks, roof racks, small vans.
- Breaking Force Minimum (BFmin) 2000daN (kg)- Lashing Capacity (LC) 1000daN (kg)
- Manufactured and labelled in accordance with EN 12195-2:2001
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Cautions:
Never use ratchet strap for Lifting.
Avoid exceeding the working load limit.
Don’t twist the webbing.
Don’t throw it up to prevent the plastic shell.
