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RADICAL REENGINEERING

A TOTALLY NEW WAY TO FABRICATE CHAIN SLINGS

GrabiQ is an exciting new family of alloy chain sling components. Instead of the old “one component does one job” fitting, GrabiQ combines in a single component up to three separate functions. Figure 1 features a GrabiQ Master Grab, which serves as the master link, connecting link for two legs of chain, and shortening hooks for each leg, all in one fitting. Using traditional fittings to construct the same sling (figure 2) would require 7 top-of-the-sling components, instead of just one. Some of the new GrabiQ fittings are equally well suited for use as top assembly connectors or hooks at the bottom of a sling, adding even more flexibility for riggers.

A TRUE GRADE 100 ALLOY CHAIN SLING

While the specific Working Load Limits vary, depending on size, slings fabricated from grade 100 chain and fittings are about 25% stronger than their grade 80 counterparts. Converting from grade 80 to GrabiQ will especially benefit users who can make use of the additional WLL without the expense of purchasing larger chain and fittings. The percentage of strength increase varies depending on the size. The Working Load Limit (WLL) gain for 3/8” is about 24 percent, while the WLL gain for 7/32” is more than 30 percent. Allother sizes fall somewhere in between.

FEWER COMPONENTS MEANS LESS WEIGHT

Most of the time, GrabiQ slings will be lighter than their grade 80 counterparts. Fewer components means less weight. Also, because grade 100 has a lifting capacity that is usually 25% higher than its grade 80 counterpart, the ratio of strength-to-weight is greater, offering additional weight savings with GrabiQ.

REDUCED COMPONENTS MEANS LESS CLUTTER

Because GrabiQ often reduces the number of components required to assemble a chain sling, rigging is easier. Figure 7 shows a three-leg fully adjustable chain sling with all three legs shortened. The sling still has only three fittings at the top.

MORE FLEXIBILITY IN CHAIN SLING USES

When each GrabiQ leg is furnished with a chain pocket, the chain sling can be used for a much wider variety of loads, often reducing the amount of rigging required on site. The chain pocket can be used to either shorten a leg or create a leg loop. Some fittings are equally well suited for use at the top or bottom of a chain sling. For example, the GrabiQ C-Grab can be used as a top-of-the-sling connector or as pictured in figure 8, at the bottom of the sling as an adjustable sliding choker.

CHAIN SLING INSPECTIONS ARE EASIER

Inspecting chain slings is easier and faster because fewer components must be examined for wear or damage.

QUALITY STANDARDS:

Gunnebo Grade 100 GrabiQTM alloy steel chain and chain sling components are manufactured and tested in accordance with ASTM A973, A952, and A907 material standards. GrabiQTM chain and components meet or exceed the safety standards as prescribed by ASME B30.9 & B30.10, and OSHA alloy steel chain sling regulations. All chain and every single component is proof-loaded to 2.5 times the Working Load Limit. The Swedish plants manufacturing GrabiQTM products are certified to ISO 9001/ ISO 9002 Quality Standards. Gunnebo’s quality management covers all aspects of production from raw material to delivered product. Full Test Certification is supplied on request.

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ADDING STRENGTH

25% Stronger

With the introduction of the new grade 100, we add as much as 25% extra strength over grade 80. We have greatly increased the Working Load Limits of slings, yetwith the same design factor as grade 80.