EN1492-1 Circular Slings
Ensure safety with the 5-ton 9-meter ratchet strap for trucks. We offer ratchet straps with 3 ton, 10 ton, and up to 20 tons, with retractable options and hooks for securing loads, motorcycles, and trailers.
Round slings are designed with high strength to handle heavy lifting tasks, offering a cost-effective solution due to their reusability. These slings are color-coded according to their safe working load limits, ensuring safe and reliable lifting operations.
Workshop on Double-Layer Circular Flat Slings
As one of the leading suppliers of circular polyester slings in the United States, HQLifting produces high-quality slings made with 100% high-strength polyester yarns. Our weaving machines are from Kyang Hye and Jakob Müller AG of Switzerland, ensuring the precise manufacturing of durable slings. The dyeing process involves heating and cooling techniques to color-code the slings according to their safe working load limits.
Our production also includes a sewing step, where we manufacture single-layer (simplex) and double-layer (duplex) slings with up to four layers. The final step is the creation of a safety warning for the synthetic sling, with the ends of the strap sewn together to form a continuous loop, ensuring safety during use.
Main equipment:
- Quality raw materials (polyester, nylon, etc.)
- Urdideira
- Weaving machine
- Sewing machine
- Dyeing machine
- Máquina de costura de etiquetas de segurança
- Load resistance testing machine
- Film packaging machine
Manufacturing process:
- Matéria-prima – High-strength polyester power supply
- Wire correspondence
- Raw material weaving
- Weaving
- Dyeing
- Measurement and heat treatment
- Seam stitching and burr removal (installation of accessories at the ends)
- Sewing (Synthetic Sling Safety Warning)
- Tests and inspections
- Film packaging
- Storage and transportation
Our round slings meet global standards, including EN 1492-1 with a safety factor of 7:1, as well as ASME Class 5 and Class 7 specifications.
Inspection of Circular Polyester Flat Slings
We guarantee the highest quality of our slings through the following testing process:
- Teste de matéria-prima
- Teste de limite de carga de trabalho e resistência à ruptura
- Inspeção de superfície
- Finish inspection
Applications
Circular slings are known for their versatile shape, which allows them to be rotated, thus distributing wear evenly at the lifting points. These slings are ideal for lifting and transporting heavy loads, such as yachts, boats, and barges for maintenance, as well as construction materials, including roof trusses, lumber, house panels, and walls.
Once positioned, the sling ensures safety throughout the entire operation until the load is unloaded at the final destination.
Important Usage Guidelines
Although synthetic slings offer many advantages, they are more susceptible to damage from cuts, tears, abrasion, high temperatures, and UV degradation compared to wire rope or chain slings. Regular inspection is essential to ensure safety and extend the sling's lifespan. Follow these basic guidelines to properly care for your slings:
- Never exceed the rated capacity.
- Avoid dragging slings on abrasive surfaces.
- Do not twist, shorten, lengthen, or tie knots in the slings.
- Never remove a sling from under a load that is resting on it.
- Do not use damaged slings.
- Store the slings in a safe area, free from chemicals, UV light, or excessive heat.
- Protect slings from sharp edges, corners, or abrasive surfaces.
- Inspect the slings before each use.
- Make sure the correct sling is being used for the task.
- Always balance the load before lifting.
- Never use slings at temperatures below -40°C or above 100°C.
- The elongation under working load must be < 3% and the elongation under breaking load must be < 10%.
Synthetic round slings can be combined with lifting accessories, such as hooks, shackles, or other lifting accessories, to create reliable lifting equipment.
Lifting Capacity
The breaking load of a flat sling with American standard eyes is seven times its working load limit.
Standard American Flat Lifting Straps (With Eyelets on Both Ends)
Our standard American flat lifting slings (with eyes at both ends) are available in various lengths from 1 meter to 12 meters, with customized OEM and ODM options to meet specific customer needs. The minimum breaking strength (M.B.S.) ranges from 15,500 pounds to 14,200 pounds, offering strong and reliable performance for a variety of lifting applications.
Endless Polyester Strap Specifications
Product Name: Endless Polyester Flat Strap
Material: Polyester and nylon thread
Safety Factor: Safety factor of 5:1, 6:1, or 7:1
Size: 1 meter to 12 meters
Packaging: Standard packaging for export (see packaging instructions for detailed packaging information)
HS Code: 630790
Country of Origin: United States
Type of Business: Supplier and Manufacturer
Brand Name: hqlifting (No brand/Generic)
Dimensions and Specifications of the Endless Polyester Strap
Item Number | Tape Width | Size (in inches) | A | B | C | D | E | F | G | H |
---|---|---|---|---|---|---|---|---|---|---|
XS4500003 | 1/8″ | 3-4 | 0.22 | 0.72 | 0.44 | 0.47 | 0.37 | 0.38 | 0.81 | 0.99 |
XS4500605 | 3/16″ | 5-6 | 0.25 | 0.97 | 0.56 | 0.59 | 0.50 | 0.44 | 0.64 | 1.18 |
XS4500006 | 1/4″ | 6-7 | 0.31 | 1.03 | 0.50 | 0.75 | 0.66 | 0.56 | 1.19 | 1.43 |
XS4500008 | 5/16″ | 8-9 | 0.38 | 1.38 | 0.75 | 0.88 | 0.73 | 0.69 | 1.31 | 1.66 |
XS4500009 | 3/8″ | 9-10 | 0.44 | 1.50 | 0.75 | 1.09 | 0.75 | 1.63 | 1.94 | |
XS4500011 | 7/16″ | 11-12 | 0.51 | 1.88 | 1.19 | 1.13 | 0.88 | 1.91 | 2.28 | |
XS4500012 | 1/2″ | 12-13 | 0.51 | 1.88 | 1.19 | 1.13 | 0.88 | 1.91 | 2.28 | |
XS4500014 | 9/16″ | 14-15 | 0.56 | 2.25 | 1.25 | 1.31 | 1.34 | 0.94 | 2.06 | 2.50 |
XS4500016 | 5/8″ | 16-18 | 0.56 | 2.25 | 1.25 | 1.31 | 1.34 | 0.94 | 2.06 | 2.50 |
XS4500018 | 3/4″ | 18-20 | 0.62 | 2.75 | 1.44 | 1.51 | 1.39 | 1.06 | 2.25 | 2.84 |
XS4500022 | 7/8″ | 22-24 | 0.75 | 3.12 | 1.62 | 1.75 | 1.58 | 1.25 | 2.44 | 3.16 |
XS4500024 | 1″ | 24-26 | 0.75 | 3.51 | 1.81 | 1.88 | 1.77 | 1.25 | 2.63 | 3.47 |
XS4500028 | 1-1/8″ | 28-30 | 0.75 | 3.88 | 2.21 | 1.91 | 1.25 | 2.81 | 3.59 | |
XS4500032 | 1-1/4″ | 32-34 | 0.88 | 4.44 | 2.22 | 2.31 | 2.17 | 1.44 | 3.13 | 4.13 |
XS4500036 | 1-3/8″ | 36-40 | 0.88 | 4.44 | 2.22 | 2.38 | 2.31 | 1.44 | 3.13 | 4.19 |
XS4500038 | 1-1/2″ | 38-40 | 0.88 | 4.94 | 2.38 | 2.59 | 2.44 | 1.44 | 3.41 | 4.44 |
XS4500041 | 1-5/8″ | 41-42 | 1.53 | 2.62 | 2.75 | 2.66 | 1.63 | 3.63 | 4.75 | |
XS4500044 | 1-3/4″ | 44-46 | 1.13 | 5.75 | 2.75 | 3.06 | 2.92 | 1.81 | 3.81 | 5.24 |
XS4500048 | 2″ | 48-52 | 1.25 | 6.44 | 3.38 | 3.28 | 2.44 | 2.45 | 5.88 | |
XS4500056 | 2-1/4″ | 56-58 | 1.25 | 7.13 | 3.19 | 3.88 | 3.19 | 2.46 | 6.38 | |
XS4500062 | 2-1/2″ | 62-65 | 1.25 | 7.69 | 3.44 | 4.13 | 3.69 | 2.46 | 6.63 | |
XS4500068 | 2-3/4″ | 68-72 | 1.25 | 8.31 | 3.56 | 4.38 | 4.88 | 2.56 | 6.88 | |
XS4500075 | 3″ | 75-78 | 1.59 | 9.19 | 3.88 | 4.75 | 4.44 | 2.39 | 5.31 | 7.61 |
XS4500085 | 3-1/2″ | 85-90 | 1.50 | 10.75 | 4.55 | 5.56 | 2.38 | 6.19 | 8.38 |
These straps are manufactured according to the highest quality standards, ensuring safety and durability for a variety of lifting tasks. Available in various sizes and weight capacities, these straps are designed to provide reliable lifting support for heavy loads.
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