21 FT X 90,000 LBS ASME B30.9 Endless Round Sling Synthetic Lifting Loop Color Coded Sling for Heavy Machinery Assembly Lifting
- Dawson Group Ltd. - China Manufacturer, Supplier, Factory
DAWSON — Lifting & Rigging, Engineered for Safety Worldwide.
Synthetic Endless Round Sling – ASME B30.9
✅Product Overview
Our American standard round slings are manufactured strictly to **ASME B30.9 ** for North America lifting market.
Made of 100% high tenacity polyester continuous core inside protective tubular sleeve. Safety factor 5:1. Soft & flexible, won't scratch workpieces. Suitable for vertical, choker and Vertical Basket lifting. Custom WLL & length available, widely used in construction, port, machinery rigging.
Soft endless loop design, flexible to fit irregular loads, no damage to painted or polished surfaces
Vertical Hitch – straight lift
Durable identification tag showing WLL for different hitch type
Multiple working load limits: 1t,2t,3t,5t,8t,10t up to 1000tons, custom lengths acceptable
✅Material & Construction
Product Name: Round Sling to ASME B30.9
Standard: ASME B30.9
Material: Polyester Nylon
Safety Factor: 5:1
Color: Color code
Length: 21 ft
Working temperature range: -40℃-100℃
Applications: Crane lifting, steel transport, precast concrete, shipyard, mining, heavy machinery rigging.
We make these products according to ASME B30.9, WSTDA-WS-1, Customers could choice special length base on special require.
⚙️Typical Capacity Reference: American Standard Endless Round Sling
 | Item | Vertical | Choker | Vertical Basket | 60 Basket | 45 Basket | 30 Basket |
 |  |  |  |  |  |
| lbs | lbs | lbs | lbs | lbs | lbs |
| DSENRS-1 | 2,600 | 2,100 | 5,200 | 4,500 | 3,700 | 2,600 |
| DSENRS-2 | 5,300 | 4,200 | 10,600 | 9,200 | 7,500 | 5,300 |
| DSENRS-3 | 8,400 | 6,700 | 16,800 | 14,500 | 11,900 | 8,400 |
| DSENRS-4 | 10,600 | 8,500 | 21,200 | 18,400 | 15,000 | 10,600 |
| DSENRS-5 | 13,200 | 10,600 | 26,400 | 22,900 | 18,700 | 13,200 |
| DSENRS-6 | 16,800 | 13,400 | 33,600 | 29,100 | 23,800 | 16,800 |
| DSENRS-7 | 21,200 | 17,000 | 42,400 | 36,700 | 30,000 | 21,200 |
| DSENRS-8 | 25,000 | 20,000 | 50,000 | 43,300 | 35,400 | 25,000 |
| DSENRS-9 | 31,000 | 24,800 | 62,000 | 53,700 | 43,800 | 31,000 |
| DSENRS-10 | 40,000 | 32,000 | 80,000 | 69,300 | 56,600 | 40,000 |
| DSENRS-11 | 53,000 | 42,400 | 106,000 | 91,800 | 74,900 | 53,000 |
| DSENRS-12 | 66,000 | 52,800 | 132,000 | 114,300 | 93,300 | 66,000 |
| DSENRS-13 | 90,000 | 72,000 | 180,000 | 155,900 | 127,300 | 90,000 |
Other sizes can be produced upon request, more information, please contact us: info@dawson-group.com
We are able to produce the heavy duty round slings W.L.L. up to 600 tons,any further requirement,please let us know.
Dawson Synthetic Endless Roundsling (ASME/ANSI B30.9)
1. Color, in according with international standard, to validate sling capacity.
2. Special thickness sleeves and special technical to add using life.
3. Each strips equal to 1ton capacity, it is easy to differentiate sling capacity.
4. Clearly print WLL and length on surface of sling.
5. Change-bearing point to add using life.
6. If the core material no break, no loss of strength from abrasion, there is a simple ness way, it is easy to differentiate
to decide if the sling is taken away from service or not.
7. 100% polyester has less than 3% extension at rated capacity, and will return originally length, and 9-12% extension at break.
8.Clearly tag with serial number and a copy of certificate together with one sling.
9. Working temperature range: -40℃-100℃
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