Slings and Wire Rope

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<span style='font-size: 12px;'>Protect-Eye Polyester Lifting Slings</span>

Protect-Eye Polyester Lifting Slings

All slings are not alike -- Industrial Power & Control offers Polyester slings with webbing produced in accordance to European Standards (7:1 Safety Factor), using the latest weaving and finishing technology available.

Some Considerations:

"Protect Eye"
slings incorporate wrap around eye pads sewn in place to protect the most used portion of the sling - the lifting eyes.
Enlarged lifting eyes allow for greater range of attachment points, greater ease of use and performance. The enlarged lifting eye decreases the lifting angle formed inside the eye itself and reduces the stress applied to the stitch pattern. This allows for use on large crane hooks without the need for capacity de-rating.
Polyester webbing offers a reduction in elongation, thereby allowing for better positioning
Nylon webbings are subject to rapid degradation due to environmental conditions. Ultraviolet rays are known to drastically reduce nylon's ability to maintain lift capacities.
Polyester webbing is resistant to most acids (subject to verification of specific chemical prior to lift), whereas nylon webbing is very susceptible to degradation in acidic applications.
Nylon webbing, when operating in wet conditions can lose as much as 15% of its lifting capacity as compared to polyester. Polyester undergoes no discernible loss of strength
All of the sling information - including capacity, construction, warning label and production codes are contained in a durable, heavy duty clear cover that offers superior visibility and protection of information
Individual serial numbers allow for ultimate traceability and record keeping.

>> Purchase Polyester Slings


Industrial Power & Control is pleased to offer SUPERTECHLON polyester round slings. Our most versatile and high performance round sling offers the user a patented abrasion and uv resistant jacket as well as unique identifying markers for greater ease of use. Capacities are indicated by the color of the rope (up to 260,000 lbs).

Wire Rope

Industrial Power & Control stocks the highest quality wire rope manufactured today. Products range from galvanized aircraft cable to 6-strand, compacted and non rotating wire rope.

What is the difference between conventional wire rope and rotation resistant wire rope?

In a conventional rope, an external load creates a moment which tries to untwist the rope and to rotate the load. A rotation-resistant CASAR Special Wire Rope has a steel core which is an independent rope, closed in the opposite direction to the outer strands. Under load, when the core tries to twist the rope in the one direction, the outer strands try to twist it in the opposite direction. The geometrical design of a rotation-resistant CASAR Special Wire Rope is such that the moments in the core and the outer strands compensate each other over a wide load-spectrum, so that even with great lifting heights no rope twist occurs.

The decision for a rotation-resistant rope depends on the application of the rope.

Single fall operation:

The use of non- rotating ropes is mandatory for the lifting of unguided loads with a single fall of rope.

Multiple fall operation:

Non rotation-resistant ropes achieve a higher service life than rotation-resistant ropes when operating under identical conditions in multiple falls. Because of their larger strand diameter, non rotation- resistant ropes are more robust and have a lower tendency to birdcage under the twisting forces caused by large fleet angles.

Providing there are no other special conditions that require the use of rotation- resistant ropes, non rotation-resistant ropes should be used in multiple fall conditions.

Under certain geometric conditions there is a danger that the falls could cable whilst under load. This is most likely with great lifting heights, narrow hook blocks, or under the influence of additional moments created by wind or the slewing of the crane. In such a situation, rotation-resistant ropes or pairs of left and right hand lay non rotation- resistant ropes should be used.

If a crane has been supplied with a rotation- resistant rope by its manufacturer, then subsequent replacements should always be of rotation-resistant construction. Rotation-resistant ropes should be used with a swivel, if possible. Non rotation-resistant ropes may not be used with a swivel.

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