Understanding How JCM's WLL Changes Enhance Load Link Safety Standards

When working with lifting equipment, safety is the top priority. Load links and shackles are critical components in lifting operations, and their strength ratings must align to ensure secure and reliable performance. Recently, JCM updated the Working Load Limits (WLL) of their load links to match the safety bow shackle sizes. This change brings greater cohesion between components, improving safety and simplifying equipment selection.

This article explores why JCM made this adjustment, how it impacts safety standards, and what it means for users in lifting and rigging industries.

JCM load link and safety bow shackle size comparison

JCM load link and safety bow shackle aligned to show matching sizes and load capacity

Why Matching WLLs Matters in Lifting Equipment

Load links and safety bow shackles are often used together in lifting assemblies. Each component has a Working Load Limit, which is the maximum load it can safely handle. If the WLLs do not match or are inconsistent, it can lead to confusion or misuse, increasing the risk of overloading and failure.

By aligning the WLL of load links with the sizes of safety bow shackles, JCM ensures:

• Consistent safety margins across connected components

• Simplified selection for operators and engineers

• Reduced risk of mismatched equipment causing accidents

  
  

This change reflects a practical approach to improving safety by making equipment ratings more intuitive and compatible.

How JCM Adjusted the WLL of Load Links

Previously, load links and safety bow shackles might have had different WLL ratings even if their physical sizes were similar. JCM reviewed the design, materials, and testing data for their load links and adjusted the WLL values to correspond directly with the standard sizes of safety bow shackles.

This means:

• A load link sized to fit a particular bow shackle now carries the same WLL rating as that shackle size

• Load links are tested and certified to meet or exceed the new WLL standards

• The JCM standard across the range safety factor of 5:1, has been retained

• The change applies across the product range, covering all common sizes

  
  

Benefits for Users and Safety Inspectors

The alignment of WLLs between load links and safety bow shackles offers several practical benefits:

• Easier equipment matching: Operators can confidently pair load links and safety bow shackles without complex calculations or guesswork.

• Improved safety checks: Inspectors can verify load assemblies more quickly by comparing WLLs directly.

• Reduced training complexity: Training materials and procedures become clearer when component ratings align.

  
  
  
  

Practical Examples of the Impact

Consider a construction site where heavy steel beams are lifted using slings connected by load links and safety bow shackles. Before the WLL adjustment, a load link might have a WLL of 2.5 tons while the matching bow shackle was rated for 3.25 tons. This mismatch could lead to confusion or improper use.

With JCM’s updated WLLs:

• The load link and bow shackle both carry a 3.25 Tonne WLL

• The rigging team can select components based on size alone, confident in their strength ratings

• Safety officers can quickly verify that all components meet the required load capacity

  
  

This alignment reduces errors and enhances overall site safety.

What This Means for Industry Standards

JCM’s decision to align load link WLLs with the safety bow shackle sizes sets a positive example for the lifting equipment industry. It encourages manufacturers to:

• Review and harmonize load ratings across related components

• Focus on user-friendly safety standards that reduce errors

• Support clear communication of equipment capabilities

  
  

This approach supports safer lifting practices.

Tips for Selecting Load Links and Shackles Safely

Even with aligned WLLs, users should follow best practices to ensure safe lifting operations:

• Always check the manufacturer’s WLL ratings for each component

• Inspect equipment for wear, deformation, or damage before use

Use load links and safety bow shackles that are certified and tested to recognized standards  

• Train personnel on proper rigging techniques and equipment selection

  
  

By combining JCM’s improved WLL alignment with these safety habits, lifting operations become more reliable and secure.

JCM’s update to match the WLL of load links with safety bow shackle sizes improves safety and usability in lifting equipment. This change reduces confusion, supports safer rigging practices, and helps users select compatible components with confidence. For anyone involved in lifting operations, understanding these adjustments is key to maintaining high safety standards and preventing accidents.