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The US Standard Endless Flat Lifting Webbing Sling is a specialized lifting accessory designed to meet North American industry requirements, manufactured by NANJING D.L.T SLING CO.,LTD. Compliant with ASME B30.9 and WSTDA-WS-1 standards, this endless polyester lifting sling delivers exceptional load-bearing capacity and reliability for commercial and industrial applications. Crafted from high-quality polyester, it features a minimum safety factor of 5:1 and a wide working temperature range of -40ºC to 100ºC, adapting to extreme environmental conditions. Available in Class 5 and Class 7 with widths from 1 inch to 12 inches, and working load limits (WLL) ranging from 2200LBS to 63500LBS, this US standard webbing sling is engineered for versatility and performance in the North American market. Its endless loop design enables multiple hitch configurations, making it a go-to choice for diverse lifting tasks.
Series | Stock No Color | Type I, II, III, and IV | Two-leg or Single Basket | type V | ||||||
Single-leg | Horizontal Angle | |||||||||
Hitch Type Width ,in. | Vertical | choke | vertical basket | vertical basket | 60 deg | 45 deg | 30 deg | Endless Vertical | ||
Width ,in. | ||||||||||
Class 5 | EE5501 | 1 | 2200 | 1760 | 4400 | 4400 | 3800 | 3100 | 2200 | 4400 |
EE5501.5 | 1 1/2 | 3300 | 2640 | 6600 | 6600 | 5700 | 4700 | 3300 | 6600 | |
EE5501.75 | 1 3/4 | 3800 | 3040 | 7600 | 7600 | 6600 | 5400 | 3800 | 7600 | |
EE5502 | 2 | 4400 | 3520 | 8800 | 8800 | 7600 | 6200 | 4400 | 8800 | |
EE5503 | 3 | 6600 | 5280 | 13200 | 13200 | 11400 | 9300 | 6600 | 13200 | |
EE5504 | 4 | 8200 | 6560 | 16400 | 16400 | 14200 | 11600 | 8200 | 16400 | |
EE5505 | 5 | 10200 | 8160 | 20400 | 20400 | 17700 | 14400 | 10200 | 20400 | |
EE5506 | 6 | 12300 | 9840 | 24600 | 24600 | 21300 | 17400 | 12300 | 24600 | |
Class 7 | EE7501 | 1 | 3100 | 2480 | 6200 | 6200 | 5400 | 4400 | 3100 | 6200 |
EE7501.5 | 1 1/2 | 4700 | 3760 | 9400 | 9400 | 8100 | 6600 | 4700 | 9400 | |
EE7501.75 | 1 3/4 | 5400 | 4320 | 10800 | 10800 | 9400 | 7600 | 5400 | 10800 | |
EE7502 | 2 | 6200 | 4960 | 12400 | 12400 | 10700 | 8800 | 6200 | 12400 | |
EE7503 | 3 | 8800 | 7040 | 17600 | 17600 | 15200 | 12400 | 8800 | 17600 | |
EE7504 | 4 | 11000 | 8800 | 22000 | 22000 | 19100 | 15600 | 11000 | 22000 | |
EE7505 | 5 | 13700 | 10960 | 27400 | 27400 | 23700 | 19400 | 13700 | 27400 | |
EE7506 | 6 | 16500 | 13200 | 33000 | 33000 | 28600 | 23000 | 16500 | 33000 | |
EE7508 | 8 | 22750 | 18200 | 42350 | 42350 | 36700 | 29900 | 22750 | 42350 | |
EE7510 | 10 | 28400 | 22720 | 52900 | 52900 | 45800 | 37400 | 28400 | 52900 | |
EE7512 | 12 | 34100 | 27280 | 63500 | 63500 | 55000 | 44900 | 34100 | 63500 | |
Fully compliant with ASME B30.9 and WSTDA-WS-1 standards, ensuring compatibility with North American industrial equipment and safety regulations.
Certified by CE and TUVRheinland, validating its quality and adherence to international safety benchmarks.
The endless loop structure supports vertical, choke, and basket hitch types, offering flexible lifting options for irregularly shaped or heavy loads.
Eliminates the need for additional hardware, simplifying operations and reducing the risk of load slippage.
Operates reliably in a temperature range of -40ºC to 100ºC, making it suitable for both indoor and outdoor use, including cold storage facilities and high-temperature industrial environments.
Polyester material maintains its strength and flexibility in extreme temperatures, avoiding brittleness or deformation.
Available in Class 5 (2200LBS to 24600LBS) and Class 7 (3100LBS to 63500LBS) options, catering to light, medium, and heavy-duty lifting needs.
Even force distribution across the sling’s width prevents localized stress, enhancing load stability and safety.
Constructed from high-density polyester, the sling resists abrasion, tearing, and chemical corrosion, ensuring long service life in demanding workplaces.
Precision sewing and quality control processes eliminate defects, reducing maintenance costs and downtime.
Designed for factories and plants in the US and Canada, ideal for lifting steel products, industrial machinery, and assembly line components that require US standard-compliant gear.
Suitable for lifting ship components, cargo containers, and offshore equipment—its corrosion-resistant polyester material withstands saltwater and humid marine environments.
Perfect for handling automotive parts, engine blocks, and vehicle frames in assembly plants. The endless design adapts to different part shapes, ensuring safe and efficient transportation.
Ideal for warehouses, ports, and logistics centers, used to load and unload palletized cargo, heavy crates, and shipping containers—compatible with forklifts and overhead cranes.
It complies with ASME B30.9 and WSTDA-WS-1 standards, meeting North American industrial safety requirements. It also holds CE and TUVRheinland certifications.
The sling operates safely between -40ºC and 100ºC, making it suitable for extreme cold and high-temperature environments.
Yes! We offer custom length options to meet your specific project needs. Contact our team to discuss your requirements for length, width, or load capacity.
It supports vertical, choke, and basket hitch types, as well as two-leg or single basket configurations, providing flexible lifting solutions for various load types.
Looking for a US standard-compliant lifting sling that delivers safety, versatility, and durability? The US Standard Endless Flat Lifting Webbing Sling is engineered to meet the demands of North American industries, with ASME B30.9 and WSTDA-WS-1 compliance, wide temperature adaptability, and customizable options. Whether you need a Class 5 sling for light-duty tasks or a Class 7 sling for heavy lifting, we have you covered. Inquire now to get a personalized quote, learn about bulk pricing, or request technical specifications. Partner with NANJING D.L.T SLING CO.,LTD for reliable, certified lifting gear that keeps your operations running smoothly—don’t compromise on safety or performance!


The US Standard Endless Flat Lifting Webbing Sling is a specialized lifting accessory designed to meet North American industry requirements, manufactured by NANJING D.L.T SLING CO.,LTD. Compliant with ASME B30.9 and WSTDA-WS-1 standards, this endless polyester lifting sling delivers exceptional load-bearing capacity and reliability for commercial and industrial applications. Crafted from high-quality polyester, it features a minimum safety factor of 5:1 and a wide working temperature range of -40ºC to 100ºC, adapting to extreme environmental conditions. Available in Class 5 and Class 7 with widths from 1 inch to 12 inches, and working load limits (WLL) ranging from 2200LBS to 63500LBS, this US standard webbing sling is engineered for versatility and performance in the North American market. Its endless loop design enables multiple hitch configurations, making it a go-to choice for diverse lifting tasks.
Series | Stock No Color | Type I, II, III, and IV | Two-leg or Single Basket | type V | ||||||
Single-leg | Horizontal Angle | |||||||||
Hitch Type Width ,in. | Vertical | choke | vertical basket | vertical basket | 60 deg | 45 deg | 30 deg | Endless Vertical | ||
Width ,in. | ||||||||||
Class 5 | EE5501 | 1 | 2200 | 1760 | 4400 | 4400 | 3800 | 3100 | 2200 | 4400 |
EE5501.5 | 1 1/2 | 3300 | 2640 | 6600 | 6600 | 5700 | 4700 | 3300 | 6600 | |
EE5501.75 | 1 3/4 | 3800 | 3040 | 7600 | 7600 | 6600 | 5400 | 3800 | 7600 | |
EE5502 | 2 | 4400 | 3520 | 8800 | 8800 | 7600 | 6200 | 4400 | 8800 | |
EE5503 | 3 | 6600 | 5280 | 13200 | 13200 | 11400 | 9300 | 6600 | 13200 | |
EE5504 | 4 | 8200 | 6560 | 16400 | 16400 | 14200 | 11600 | 8200 | 16400 | |
EE5505 | 5 | 10200 | 8160 | 20400 | 20400 | 17700 | 14400 | 10200 | 20400 | |
EE5506 | 6 | 12300 | 9840 | 24600 | 24600 | 21300 | 17400 | 12300 | 24600 | |
Class 7 | EE7501 | 1 | 3100 | 2480 | 6200 | 6200 | 5400 | 4400 | 3100 | 6200 |
EE7501.5 | 1 1/2 | 4700 | 3760 | 9400 | 9400 | 8100 | 6600 | 4700 | 9400 | |
EE7501.75 | 1 3/4 | 5400 | 4320 | 10800 | 10800 | 9400 | 7600 | 5400 | 10800 | |
EE7502 | 2 | 6200 | 4960 | 12400 | 12400 | 10700 | 8800 | 6200 | 12400 | |
EE7503 | 3 | 8800 | 7040 | 17600 | 17600 | 15200 | 12400 | 8800 | 17600 | |
EE7504 | 4 | 11000 | 8800 | 22000 | 22000 | 19100 | 15600 | 11000 | 22000 | |
EE7505 | 5 | 13700 | 10960 | 27400 | 27400 | 23700 | 19400 | 13700 | 27400 | |
EE7506 | 6 | 16500 | 13200 | 33000 | 33000 | 28600 | 23000 | 16500 | 33000 | |
EE7508 | 8 | 22750 | 18200 | 42350 | 42350 | 36700 | 29900 | 22750 | 42350 | |
EE7510 | 10 | 28400 | 22720 | 52900 | 52900 | 45800 | 37400 | 28400 | 52900 | |
EE7512 | 12 | 34100 | 27280 | 63500 | 63500 | 55000 | 44900 | 34100 | 63500 | |
Fully compliant with ASME B30.9 and WSTDA-WS-1 standards, ensuring compatibility with North American industrial equipment and safety regulations.
Certified by CE and TUVRheinland, validating its quality and adherence to international safety benchmarks.
The endless loop structure supports vertical, choke, and basket hitch types, offering flexible lifting options for irregularly shaped or heavy loads.
Eliminates the need for additional hardware, simplifying operations and reducing the risk of load slippage.
Operates reliably in a temperature range of -40ºC to 100ºC, making it suitable for both indoor and outdoor use, including cold storage facilities and high-temperature industrial environments.
Polyester material maintains its strength and flexibility in extreme temperatures, avoiding brittleness or deformation.
Available in Class 5 (2200LBS to 24600LBS) and Class 7 (3100LBS to 63500LBS) options, catering to light, medium, and heavy-duty lifting needs.
Even force distribution across the sling’s width prevents localized stress, enhancing load stability and safety.
Constructed from high-density polyester, the sling resists abrasion, tearing, and chemical corrosion, ensuring long service life in demanding workplaces.
Precision sewing and quality control processes eliminate defects, reducing maintenance costs and downtime.
Designed for factories and plants in the US and Canada, ideal for lifting steel products, industrial machinery, and assembly line components that require US standard-compliant gear.
Suitable for lifting ship components, cargo containers, and offshore equipment—its corrosion-resistant polyester material withstands saltwater and humid marine environments.
Perfect for handling automotive parts, engine blocks, and vehicle frames in assembly plants. The endless design adapts to different part shapes, ensuring safe and efficient transportation.
Ideal for warehouses, ports, and logistics centers, used to load and unload palletized cargo, heavy crates, and shipping containers—compatible with forklifts and overhead cranes.
It complies with ASME B30.9 and WSTDA-WS-1 standards, meeting North American industrial safety requirements. It also holds CE and TUVRheinland certifications.
The sling operates safely between -40ºC and 100ºC, making it suitable for extreme cold and high-temperature environments.
Yes! We offer custom length options to meet your specific project needs. Contact our team to discuss your requirements for length, width, or load capacity.
It supports vertical, choke, and basket hitch types, as well as two-leg or single basket configurations, providing flexible lifting solutions for various load types.
Looking for a US standard-compliant lifting sling that delivers safety, versatility, and durability? The US Standard Endless Flat Lifting Webbing Sling is engineered to meet the demands of North American industries, with ASME B30.9 and WSTDA-WS-1 compliance, wide temperature adaptability, and customizable options. Whether you need a Class 5 sling for light-duty tasks or a Class 7 sling for heavy lifting, we have you covered. Inquire now to get a personalized quote, learn about bulk pricing, or request technical specifications. Partner with NANJING D.L.T SLING CO.,LTD for reliable, certified lifting gear that keeps your operations running smoothly—don’t compromise on safety or performance!

