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Mazzella RS Polyester Round Sling, Endless, Vertical Load Capacity

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Product Specifications
Upper Temperature Range
194  Degrees Fahrenheit
Specification Met
OSHA, ASME B30.9
Material Type
Polyester
Style Name
Endless
UNSPSC Code
24101611
Brand Name
Mazzella Lifting Technologies
Special Features
Vertical, Choker, Basket

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Blue 10 feet 3 1/2 inches 23000 pounds B004V9H3PQ yes $111.66 Buy Options
Blue 12 feet 3 1/2 inches 23000 pounds B004V9H3VU yes $133.16 Buy Options
Blue 14 feet 3 1/2 inches 23000 pounds B004V9H3ZQ yes $150.19 Buy Options
Blue 16 feet 3 1/2 inches 23000 pounds B004V9H4D2 Usually ships in 1 to 2 months $172.99 Buy Options
Blue 18 feet 3 1/2 inches 23000 pounds B004V9H4M8 Usually ships in 1 to 2 months $195.09 Buy Options
Blue 20 feet 3 1/2 inches 23000 pounds B004V9H4UU Usually ships in 1 to 2 months $215.33 Buy Options
Blue 6 feet 3 1/2 inches 23000 pounds B004V9H36A yes $71.49 Buy Options
Blue 8 feet 3 1/2 inches 23000 pounds B004V9D1W0 yes $91.16 Buy Options
Green 10 feet 1 3/4 inches 6000 pounds B004NSVK40 yes $36.00 Buy Options
Green 12 feet 1 3/4 inches 6000 pounds B004NSVK4U yes $45.91 Buy Options
Green 14 feet 1 3/4 inches 6000 pounds B004V9D00I yes $53.40 Buy Options
Green 16 feet 1 3/4 inches 6000 pounds B004V9GSR0 yes $59.72 Buy Options
Green 18 feet 1 3/4 inches 6000 pounds B004V9GTGU yes $70.24 Buy Options
Green 3 feet 1 3/4 inches 6000 pounds B004V9GS7K yes $29.57 Buy Options
Green 4 feet 1 3/4 inches 6000 pounds B004NSVK5E yes $24.33 Buy Options
Green 6 feet 1 3/4 inches 6000 pounds B004NSVK68 yes $28.01 Buy Options
Green 8 feet 1 3/4 inches 6000 pounds B004NSVK72 yes $35.02 Buy Options
Orange 10 feet 4 23/32 inches 31000 pounds B004V9H5GS yes $132.78 Buy Options
Orange 12 feet 4 23/32 inches 31000 pounds B004V9D2EW yes $158.65 Buy Options
Orange 14 feet 4 23/32 inches 31000 pounds B004V9H64E Usually ships in 1 to 2 months $183.91 Buy Options

Key Features

  • Polyester single-path round sling for heavy-duty lifting in shipbuilding, construction, and other industrial applications
  • Double polyester covers surround load-bearing yarns for abrasion and cut resistance
  • Endless (also called type 5 or grommet) sling for vertical, choker, and basket lifting configurations
  • Color-coded outer cover for quickly determining load capacity
  • Meets ASME B30.9 and OSHA 1910.184 specifications

Product Description

The Mazzella Supertechlon endless single-path round sling has polyester internal load-bearing core yarns and double polyester covers for lifting heavy loads in lifting applications such as shipbuilding, construction, and other industries. Two abrasion- and cut-resistant layers of heavy-duty polyester webbing protect the sling's internal polyester load-bearing yarns. If the inner layer is visible from beneath the outer layer, the sling should be removed from service and repaired. The external polyester webbing is soft to avoid scratching fragile or delicate loads, and it is flexible to conform to irregularly shaped loads. The stretch of this polyester round sling at its maximum load capacity is less than 3%.

This endless (also called type 5 or grommet) round sling is made of a continuous loop of webbing formed by joining the ends of the webbing with a load-bearing splice, and can be used in vertical, choker, and basket lifting configurations. The load-bearing or wear points of an endless round sling can be rotated each time it is used, which can help increase its life when compared to an eye-and-eye round sling. The outer cover is color-coded to quickly determine the sling's load capacity and is embroidered with black stripes; each stripe represents 3,000 lb. of capacity. This sling meets American Society of Mechanical Engineers (ASME) specification B30.9 and Occupational Safety and Health Administration (OSHA) specification 1910.184.

Slings are used to lift heavy objects for industrial applications. Types of slings include web slings, wire rope slings, chain slings, and mesh slings. The appropriate type of sling for an application depends on the strength-to-weight ratio, flexibility and resistance to bending, resistance to abrasion and cutting, resistance to crushing, resistance to stretching, and resistance to high temperatures and other environmental stressors. Slings have one, two, three, or four legs; or a continuous loop of webbing or wire rope. Legs are support branches that extend from a single point at the top of the sling to the item being lifted so the weight of the load is distributed evenly among the branches. Slings have eyes (loops) or alloy steel fittings on the ends.

A vertical lifting configuration connects a crane hook directly to a load with a single, vertical sling, usually by means of a hook. In a choker configuration, the sling wraps entirely around the load, and one loop passes through the other to form a slip noose, or choker. In a basket configuration, the sling passes under the load and both ends of the sling connect to the crane hook. Load capacity is the maximum weight to be lifted in a vertical configuration. The capacity in a choker configuration is approximately equal to the vertical capacity times 0.8. The capacity in a basket configuration, with sling ends at a 90-degree angle, is approximately equal to twice the vertical capacity. Load capacity in a basket configuration decreases if the angle of the sling is less than 90 degrees. For example, a sling with a capacity of 2,000 lb. in a vertical configuration will have an approximate capacity of (2,000)(0.8)=1,600 lb. in a choker configuration and an approximate capacity of (2,000)(2)=4,000 lb. in a basket configuration, if the sling ends are at a 90-degree angle to the load.

Mazzella Lifting Technologies manufactures lifting solutions including slings, cranes, and hoists. Founded in 1954, the company is headquartered in Cleveland, OH.

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