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Swat
round sling is a hank of
high danier polyester yarn
would in a continuous endless
circle,enclosed in a seamless
high abrasion resistant
polyester sleeve.The sleeve
is so constructed that it
protects the internal rows
of yarn filament and keeps
them in parallel formation
at all times.The yarn fibre
core free to spread out
into a flat shape where
the sling is in contact
with its load.This provides
a broad support ,which cushions the load against damage and reduces slipping.The low stretch characteristics of the polyester yarn prevent 'load bounce' when hoisting very heavy weights.
The longitudinal load carrying yarns carry 70% of the load while the remaining strength is derived from the cover(side-to-side) yarns.Due to tubular design of the protective cover,the sling is made without seams,thus,there is no weakening in the strength of the covering materials and no edges to contend with.The hook and load contact points are continually be rotated to further extend,not only the life of the outer cover,but the overall cycle of the sling.Being endless ,wears evenly as there is no single point use.
a>Round Sling
b>Eye-Eye Round Sling
c>Twin Round Sling
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Endless Round Webbing Slings Safety Factors
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| Item |
Colour |
WLL |
Width |
Working
Load Limit With 1
Webbing Sling |
With
2 Webbing Slings |
| Straight
Lift |
Choked
Lift |
B |
Straight
Lift |
Choked
Lift |
Straight
Lift |
Choked
Lift |
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7-45 |
45-60 |
45-60 |
90 |
0-45 |
0-45 |
45-60 |
45-60 |
| M=1 |
M=0.8 |
M=2 |
M=1.4 |
M=1 |
M=0.5 |
M=0.7 |
M=1.4 |
M=1.4 |
M=1.12 |
M=1 |
M=0.8 |
| YIR-25 |
Violet |
1000 |
|
1000 |
800 |
2000 |
1400 |
1000 |
500 |
700 |
1400 |
1400 |
1120 |
1000 |
800 |
| YIR-50 |
Green |
2000 |
|
2000 |
1600 |
4000 |
2800 |
2000 |
1000 |
1400 |
2800 |
2800 |
2240 |
2000 |
1600 |
| YIR-75 |
Yellow |
3000 |
|
3000 |
2400 |
6000 |
4200 |
3000 |
1500 |
2100 |
4200 |
4200 |
3360 |
3000 |
2400 |
| YIR-100 |
Grey |
4000 |
|
4000 |
3200 |
8000 |
5600 |
4000 |
2000 |
2800 |
5600 |
5600 |
4480 |
4000 |
3200 |
| YIR-125 |
Red |
5000 |
|
5000 |
4000 |
10000 |
7000 |
5000 |
2500 |
3500 |
7000 |
7000 |
5600 |
5000 |
4000 |
| YIR-150 |
Brown |
6000 |
|
6000 |
4800 |
12000 |
8400 |
6000 |
3000 |
4200 |
8400 |
8400 |
6720 |
6000 |
4800 |
| YIR-200 |
Blue |
8000 |
|
8000 |
6400 |
16000 |
11200 |
8000 |
4000 |
5600 |
11200 |
11200 |
8960 |
8000 |
6400 |
| YIR-250 |
Orange |
10000 |
|
10000 |
8000 |
20000 |
14000 |
10000 |
5000 |
7000 |
14000 |
14000 |
11200 |
10000 |
8000 |
| YIR-300 |
Orange |
12000 |
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12000 |
12000 |
30000 |
21000 |
12000 |
7500 |
10500 |
21000 |
21000 |
16800 |
12000 |
12000 |
| YIR-350 |
Orange |
20000 |
|
20000 |
16000 |
40000 |
28000 |
20000 |
1000 |
14000 |
28000 |
28000 |
22400 |
20000 |
16000 |
| YIR-400 |
Orange |
30000 |
|
30000 |
24000 |
60000 |
42000 |
30000 |
15000 |
21000 |
42000 |
42000 |
33600 |
30000 |
24000 |
| YIR-450 |
Orange |
16000 |
|
16000 |
12800 |
32000 |
22400 |
16000 |
8000 |
11200 |
22400 |
22400 |
17920 |
16000 |
12800 |
| YIR-500 |
Orange |
24000 |
|
24000 |
19200 |
48000 |
33600 |
24000 |
12000 |
16800 |
33600 |
33600 |
26880 |
24000 |
19200 |
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