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1. Understanding the use of quick links in climbing
Quick links are screw-open metal rings used primarily to make secure connections between equipment. In climbing, they are used for a variety of applications, such as building belays, connecting ropes or quickly repairing damaged equipment. Their ability to be opened and closed easily, while offering a solid, secure connection, makes them indispensable.
2. Quick link selection criteria
a. Material
Quick links are generally made of steel or aluminum. Steel is renowned for its strength and high resistance to corrosion and wear, making it an ideal choice for outdoor climbing and harsh environments. Aluminum, on the other hand, is lighter but less resistant over the long term, and is better suited to applications where weight is a crucial factor, such as sport climbing or competition.
b. Shape
The shape of quick links directly influences their functionality:
- Oval: Ideal for versatile use, the oval shape offers good load distribution.
- D: D-shaped links offer a better strength-to-weight ratio and are often used for critical connections.
- Triangle or delta: Specifically designed for attaching straps, they minimize the risk of incorrect positioning.
c. Size and opening
The size of a quick link is crucial, as it must correspond to the thickness and type of rope or webbing used. A wider opening facilitates the passage of several ropes or connectors. It is essential to choose a link with an opening compatible with its intended use, to guarantee the safety and efficiency of the equipment.
d. Strength
The strength of quick links is indicated in kilonewtons (kN) and must be adapted to the type of climbing involved. For critical applications, we recommend using links with a strength of at least 25 kN. It is vital to regularly check the condition of the threads and closure to ensure their integrity.
3. Good use and maintenance practices
a. Inspection and maintenance
Before and after each use, inspect each quick link for deformation, cracks or signs of corrosion. Clean them regularly with a dry cloth and store them in a dry place to prevent rust. It's also important to check that the screw thread closes properly and completely.
b. Proper use
Always use quick links that comply with current safety standards and are suitable for the weight and forces involved. Avoid mixing materials of different hardness (e.g. a steel link with an aluminum connection) to prevent premature wear.
c. Replacement
Immediately replace any quick links showing signs of deterioration, or after intensive use, particularly in situations where they have been subjected to heavy loads or violent impacts.
Quick links are essential components of climbing equipment, offering safety and versatility. By choosing wisely according to material, shape, size and strength, and by following good use and maintenance practices, you can ensure that climbing is both safe and enjoyable. Making the right choice of quick links is therefore crucial for any safety-conscious climber.
