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LIFTING - SPANSET POWERFORCE
Increased safety, longer service life
PowerForce lifting straps
The thing that makes PowerForce lifting straps special is the fact that the cloth is made out of extremely cut and tear-resistant high-performance fabric (high-modulus polyethylene). They require no additional protection when fastened around sharp edges with a radius of more than 2 mm. For conventional two-layer lifting straps, a radius that small is sharp enough to be strictly prohibited – for polyester lifting straps, an edge is considered sharp if the thickness of the sling material is greater than the edge radius. A protective sleeve is therefore required for the commonly used two-layer lifting straps when the edge radius is still as big as 6 mm. The low elasticity of the fabric is also a plus point – it ensures lifting force is quickly generated and allows for good control of the lifting manoeuvre.
Well thought-out seam construction
Reinforced selvedge
Robust, tear-resistant label with RFID tag
You can rely on it!
Extra convenience
State-of-the-art, computer-controlled sewing machines ensure a consistently high seam quality – proudly Made in Germany. The main seam (box seam) in PowerForce lifting straps, sewn in black thread, is very small and therefore space-saving, which leaves a larger contact area for the load than with conventional lifting straps of similar length. What‘s more, the black thread on a white fabric makes visual inspections easier.
In addition, an integrated selvedge means that the outer edges of PowerForce lifting straps are reliably protected – as you’ll be familiar with from SpanSet’s conventional lifting straps.
Each PowerForce lifting strap is equipped with a tear-resistant SpanSet quality label with an RFID transponder. PowerForce was designed based on the EN 1492-1 standard, which applies to polyester lifting straps, amongst other things. We say “based on” because the standard does not take HMPE into account, since the fabric and the label are in white.
SpanSet has examined and thoroughly tested the cut resistance of PowerForce lifting straps in both laboratory tests and field trials. Amongst other things, the lifting straps have been subjected to alternating stress testing in which they were loaded up to capacity on a 2 mm edge radius 20,000 times – convincingly demonstrating the enormous cut resistance. And in the subsequent residual strength testing, the safety factor of 7 prescribed in the standard for production controls on new lifting straps (without shackles) was reached, surprising even the developer. The results achieved by the PowerForce lifting straps, and therefore their operational fitness, were confirmed by DNV Gl (Det Norske Veritas Germanischer Lloyd).
A combination of D1 and D2 shackles (pass-through shackles) is available especially for use when hitching up a load.
High cut and wear resistance set PowerForce lifting straps apart from polyester lifting straps with the same load capacity.
With its ever-expanding range of applications, the new PowerForce lifting strap is the ideal sling for the construction industry and mechanical engineering. Sometimes, you need to lift a precast concrete part with a rough surface, directly followed by a roof component or steel beam with extremely small edge radii. The PowerForce lifting strap is capable of withstanding any edge radius of more than 2 mm, even when dealing with the widest variety of mechanical components.
When just one can (almost) do it all
The new lifting straps are available as single-layer looped lifting straps 1, with D1 shackles at either end 2, with a D2 shackle at one end and D1 shackle at the other end 3 or as single-layer band loops 4. PowerForce lifting straps are manufactured based on DIN EN 1492-1. The load capacity colour coding is based on the colour coding in EN 1492-1 and is shown by coloured marking 5 on the loops and by plainly visible patches.
PowerForce lifting strap variants
PowerForce looped lifting strap
PowerForce band loop
PowerForce lifting strap with D1 shackle
PowerForce lifting strap with D2 shackle at one end and D1 shackle at other end3
Edge protection: permanently coated lifting straps and PowerForce
A SIDE NOTE: sharp edges
Edges that count as sharp edges in the official definition are often not recognised as such, since they can still appear round and smooth.
The 10 Commandments of Sharp Edges
§ Definition
As per Section 2.8 of the German BGR 500 regulation, a sharp edge is one in which the radius of the edge r is smaller than the material thickness d of the sling.
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! Surface texture
Very rough surfaces, such as those of precast concrete parts, can quickly damage fabric slings or wire rope even after only limited contact with them.
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! Anomalous shape profiles
As well as “square” edges, some items have anomalous shape profiles, including protruding ridges, flash and points, or jagged outer contours. The normal rules cannot be used to assess edges like these
01. Do not lift loads without completing training beforehand!
Tools are necessary for assessing sharp edges.
Radius gauges, callipers or folding rulers, amongst other things, are suitable for determining radii.
02. Plan lifting operations carefully using design documentation!
03. Read the directions for use for fabric slings before lifting!
04. If you don’t know the edge radius, ascertain it using measuring tools!
05. Slings must always be protected against sharp edges!
06. Always seek expert advice before attempting to lift an edge radius smaller than 1 mm!1
07 Always use fitting components when hitching using coated lifting straps!
08. Use flexible edge protection in the case of narrow passages or winding paths!
09. Use protective sleeves to balance out the sling when lifting loads with sharp edges!
10. The load and the cut protection may not move relative to each other!
SpanSet GmbH & Co. KG
Jülicher Straße 49-51
52531 Übach-Palenberg
Germany
Tel. +49 (0) 2451 4831-0
Fax +49 (0) 2451 4831-207
E-Mail info@spanset.de
Subject to technical alterations. All rights reserved. No part of this catalogue may be reproduced or processed, duplicated or distributed using electronic systems in any form (print, photocopy, microfilm or any other procedure) without the written approval of SpanSet GmbH & Co. KG. This catalogue has been prepared with all due care; SpanSet GmbH & Co. KG accepts no liability for errors or omissions.
PowerForce_Broschüre_2019-10-29_Rev10_8er_EN, © 2019 SpanSet GmbH & Co. KG, Germany
SPECIAL INDUSTRIAL SUPPLIES PTY LTD.
Tel National: 0861040506
Tel International: +27117925226
Cell: +27832514312
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