Steel choker rigging chart. Proof testing and certification available upon request.
Steel choker rigging chart 8-part body Super-Flex slings are flexible and can snug up tightly around the load in choker hitches. Manufacturer and/or Distributor of Wire and Fiber Rope, Wire and Fiber Rope Assemblies, Chain, Slings, Hoists; Lifting and Material Handling Equiptment; Cargo Control Products; Fall Protection; Services: Inspections; Repairs Jul 26, 2023 · Do you know the capacities of your braided multi-part wire rope slings? Learn more about capacities of braided 6-part wire rope slings and 8-part wire rope slings. Choker Hitch Capacity Calculator Results Reduction Factor Adjusted Rated Choker Capacity per Sling (lbs. Wire Rope Slings Wire Rope consists of multiple steel wires that form individual strands wrapped around a steel core. Qualifying orders ship free. com rigging Charts available for iphone cessary rigging capacity chart information. Easier rigging when hooking into fixed lifting points. Same and Next Day Delivery. Proof testing and certification available upon request. Determine the angle of choke and multiply the choker hitch work load limit by the loss factor to get the reduced work load. Aug 6, 2024 · Steel choker rigging is a method of lifting and securing loads using steel wire rope slings that are configured in a choker hitch. Sliding choker hook speeds rigging of bundled materials. If appropriate overhead Browse Sliding Choker Wire Rope Slings in Wire Rope Lifting Slings at Rigging Warehouse. Double polyester tubing for better abrasion resistance, and easier inspection Capacity charts for most slings manufactured by Liftex. The purpose of this document is to discuss the requirements for planning and performing an incidental lift using an overhead crane and commonly available rigging components Kito Crosby is a world leader in the lifting and securement industry it pioneered, and for which it continues to set the standard. BASKET HITCH CAPACITY BASED ON M NIMUM D/d RATIO OF FOR CHOKER HITCHES. * WARNING: Working load limit is not to be exceeded. They are versatile enough to be used in various industries, from construction sites to heavy-duty shipping operations. The angle of the sling can reduce the capacity of all the rigging due to sling tension. A safer rigging practice in this scenario would be to use an Inner Wire Rope Core Steel Choker (IWRC). This highly useful rigging technique should only be used under the following conditions: Select rigging and sling capacity for 75% of the load. While effective, this method reduces the safe lifting capacity due to added tension and pressure on the sling. As an example, a horizontal sling angle of 30º will increase the tension factor by 2 times therefore doubling the weight felt by the sling and all related rigging. After reviewing these handbooks, your employees will be well-prepared to tackle any crane rigging challenge in a safe and eficient manner. wire rope. A choker is used when the load will not be seriously damaged by the sling body — or the sling damaged by the load — and when the lift requires the sling to snug up against the The chart gives capacities from 3/8" choker up to 1" choker in single verical, choker, 2 leg bridle at 30, 45 and 60 degrees. Date We design, build and install innovative rigging systems that suspend objects for concerts, exhibitions, live events and film productions. The benefit of a flemish eye is that the integrity of the eye is not solely dependent on the sleeve. We have an expansive inventory of all sorts of gear available for rent, and a knowledgeable and experienced labour force that we put to work for you. A choker is used when the load will not be seriously damaged by the sling body — or the sling damaged by the load, and when the lift requires the sling to snug up against the load. Know dangers of working around Power Lines. Know and understand the requirements to keep clear of the load. As is evident from a wire rope sling capacity chart, the rated capacity of a wire rope sling must be adjusted when using a choker hitch to turn, shifts, or control the load. For example, choosing a flat webbed nylon sling to hoist a steel beam with sharp edges could result in the rigging getting cut and dropping the load. Never exceed working load limits. ARC is a factory authorized repair center for IKAR/Ultra Safe retractable lifelines and renfroe clamps. We have a wide range of options to fit your specifications, including wire rope slings, synthetic ropes, accessories and more. The ends are secured bypressing a metal EYE & EYE A versatile sling for general use with choker, basket, or vertical hitches. Versatile Applications of Steel Choker Rigging Our steel choker rigging solutions are crafted precisely to ensure stability and security under high tension. Slings must not be dragged on the floor or over an abrasive surface. Lifting and Rigging Supplies | Wire Rope Supplier | Kennedy Polyester Slings with Aluminum Triangle and Aluminum Choker Capacity Chart Polyester Slings with Steel Triangle on Both Ends Capacity Chart Polyester Slings with Steel Triangle and Steel Choker Capacity Chart Polyester Slings with Reversed Eyes Capacity Chart Polyester Round Body Slings Capacity Chart Wire Rope Slings For Inspection, Re-Certification, www. Choker Hitch Capacities When the 120o, pull on a choker hitch results in an angle of less than the work load limit must be adjusted. Flexible design that fits a variety of rigging applications. This technique is widely used in industries such as construction, shipping, and heavy manufacturing, where strong and durable rigging solutions are essential for handling heavy and irregularly shaped loads. Consult the manufacturer when planning to use an angle of choke less than 120 degrees. The Flex-X® process provides a smooth, extremely compact wire rope with greater surface area and more steel per given diameter, which increases strength, fatigue resistance and wear resistance. 1. BRAIDED ROUND SLINGS Braided round slings provide greater security in handling high-capacity loads. . When using hooks in a shortening (grab) or choker application, the Working Load Limit (WLL) of the sling must be reduced by 20%. The Grade 100 Shortening Grab Hooks require no reduction in WLL. The 9-part sling is made by laying a single wire rope continuously through both eyes and the sling body. Used extensively in the construction and logging industries, steel choker rigging ensures that operations involving Choker Hitch: A choker hitch is where the eye on one end of the sling is passed through the eye on the other end of the sling and the sling is choked around the load being picked up. ) you place into the sling eye must not be larger than 1/2 of the sling eye length. A choker hitch has 80% of the capacity of a single leg sling only if the angle of choke is 120 degrees or greater. Represents a load in choker hitch and illustrates the rotary force on the load and/or the slippage of the rope in contact with the load. When a sling is used in a BASKET- or CHOKER HITCH with D/d ratios smaller than listed in the capacity tables, the rated capacities (or WLLs) must be decreased. When using chain slings in choker applications, the Working Load Limit must be reduced by 20%. They are reproduced and can be printed as large or small wall posters or as pocket guides that riggers carry with them for quick reference. NEVER PLACE A SLING EYE OVER A FITTING WITH A DIAMETER OR WIDTH GREATER THAN ONE HALF THE LENGTH OF THE EYE. ,909-469-2251,manufacturer and safety training provider to the industrial lifting sling and rigging industries for over 30 years. This construction offers 93-95% wire rope efficiency. A trained, qualified and knowledgeable user must determine the most appropriate method of rigging to help ensure load control and a safe lift. The smaller triangle can pass through this slot to create the necessary setup for a choker hitch. Lift-It Mfg. In some trades it became practice to use 2 slings in a choker configuration at less than 30 degrees with the choke points facing each other. This guide is the first in our series of comprehensive safety tutorials dedicated to crane rigging. Inspection is facilitated by painting sleeves gold to verify swaging is complete and proper. The proven design provides internal adjustment to distribute the load among all nine parts of the sling body. This calculation will help you determine the amount of webbing and hitches you'll need to use to secure your load. Endless E-Z Flex Wire Rope Slings Load stability and balance achieved by spreading sling legs in basket and choker hitches. 1 Learn about the proper use of choker hitches and wire rope slings for universal rigging applications in this informative video. Alloy steel hardware assures long life. The metal end fittings extend the working lifespan of the sling by reducing wear and tear on the eyes. Perfect for beginners and as a refresher for experienced professionals. Always consider the sling angles when making a lift. C. Know how to read rigging charts for various hitches and hardware. A CHOKE ANGLE LESS THAN 120 DEGREES CAN RESULT IN A CAPACITY AS LOW AS 40% OF THE SINGLE LEG. Learn how to rigging a choker hitch with this easy rigging calculation. Oct 14, 2024 · Steel choker rigging is a crucial component in various industrial applications, primarily utilized for lifting, pulling, and securing loads. Description: Wire rope lifting sling with (1) one single rope leg with eyes at either end. Although it makes a nice “tight” choke around pipes and bundles of steel, remember that this practice reduces your sling capacity by more than 50%! Reduction of CHOKER Sling Capacity (WLL) Here are the formulas and charts that will make it easier to decide how to proceed. Everything from simple pipe chokers to multi-leg lifting apparatus. Introduction The three main parts to any load lifting operation are the lifting equipment (crane/derrick/ hoist), the operator/operation of the equipment, and the rigging of the load. Also included in the charts are screw pin shackles Wire Rope Choker Sling - 1/4"x5 (ft) is backordered and will ship as soon as it is back in stock. Slings must not be twisted, tied into knots or joined by knotting. Inc. Jul 26, 2023 · Choker Hitches Choker hitches reduce lifting capability of a sling since this method of rigging affects ability of the wire rope components to adjust during the lift. A CHOKE ANGLE LESS THAN 120 DEGREES WILL RESULT IN A CAPACITY AS LOW AS 40% OF THE SINGLE LEG. For choker hitch, the angle of choke shall be 120 degrees or greater. This reduction factor is applicable for the standard 120 degree arrangement at the intersection of the choker legs. Determine Task and Job-Site Requirements In order to ensure the safety of workers and the equipment involved, any operation involving the use of a crane to lift items must be planned thoroughly before being carried out. Dec 12, 2023 · Using the incorrect rigging can compromise safety and lead to serious accidents. SLING LIFTING CAPACITIES ARE AFFECTED BY ANGLE OF LIFT (ROUND SLING TO LOAD ANGLE) MEASURED FROM THE HORIZONTAL, WHEN USED WITH MULTI-LEGGED ROUND SLINGS OR CHOKER/BASKET HITCHES. Additionally, the construction makes it possible to more easily inspect all parts of the sling before and after each lift, which is Explore our extensive range of products: find everything you need in one place. This i cludes vertical, choke, and basket hitches. Tri-Flex® Wire Rope Slings offer strength, flexibility, and cost savings—ideal for heavy lifting, steel erection, and machinery moving applications. pdf uploaded: Jun 25, 2024 flip download details The wire rope sling products you need. Nov 9, 2010 · Hitches & Capacities Choosing the right rigging configuration is crucial for effective load management. Description: Triangle choker nylon sling is a heavy-duty Class 7 web sling,maylon material with Type 1 steel triangle & choker end fittings commonly referred to as a 'TC' sling. Manufacturer and/or Distributor of Wire and Fiber Rope, Wire and Fiber Rope Assemblies, Chain, Slings, Hoists; Lifting and Material Handling Equiptment; Cargo Control Products; Fall Protection; Services: Inspections; Repairs Wire rope rigging slings with fiber cores (FC) are rated at reduced capacities when compared with an equivalent size, wire choker with an independent wire rope core (IWRC). As a wholesale manufacturer of synthetic slings for the lifting, rigging, and mooring industries Service Sling focuses on supporting the rigging shops and supply houses along the Gulf Coast. If you need a 2-leg bridle, 3-leg bridle or 4-leg bridle please call for pricing. Our wire rope slings are manufactured in-house using the flemish eye splice technique to form the eyes and are then mechanically swaged using a steel sleeve. Sling tension occurs when the slings are rigged at an angle; this directly affects capacity. CONNECTION TO FITTINGS CHOKER CAPACITY d USE A THIMBLE TO PROTECT SLING AND INCREASE D/d NEVER PLACE EYE OVER A FITTING WITH SMALLER DIAMETER OR WIDTH THAN THE ROPE’S DIAMETER. We use only EIPS (Extra Improved Plow Steel) and stronger wire rope. The object (a shackle, a crane hook, a steel bar, etc. While 6 x 19 ropes have more abrasion resistance, the 6 x 36 ropes have more fatigue resi Oct 4, 2022 · Type 1 – Triangle Choker Sling Nylon triangle choker lifting slings have a steel triangle on each eye – one of which includes a slot. However, we use 6 X 36 class wire rope when building larger diameter slings. This arrangement provides the most effective choker hitch. Unirope Slingmax offers a wide range of rigging products including sliding chokers, slings and more. DO NOT load an assembly in excess of the rated working load limits in the chart above. ALLOY CHAIN Did RATIOS This chart shows reductions in working load limits of a basket type alloy chain sling based on O/d ratio. Jul 24, 1996 · Wire Rope Failure to read, understand, and follow manufactures instructions may cause death or serious injury. These slings are made primarily with 6 X 26 class of wire rope. This guide focuses on the rigging of the load. Load control is limited with only one sling rigged in a choker hitch. Slings used in a basket hitch must have the load balanced to prevent slippage. 9 SPECIFICATIONS Toll Free Phone: 1-888-779-8898 - Toll Free Fax: 1-800-354-8705 WARNING: Read warnings and use limitations before rigging. Description If you need a wire rope choker with thimble eyes, hooks, or something not listed please call for pricing. Contributed by Bob Kozickie, Technical Sales Support Manager Alloy Chain Sling Capacity Charts are published by Standards Associations, chain manufacturers, and virtually every rigging shop in existence. The chart gives capacities from 3/8" choker up to 1" choker in single verical, choker, 2 leg bridle at 30, 45 and 60 degrees. Application: For general purpose material handling, crane rigging, and overhead lifting. Wire Rope Sling CapacitiesWe Provide Wire Rope, Chain, Synthetic Slings, Cargo Control, Hardware, Fall Protection, and various other types of equipment for the utility, Marine, and construction industries. Slings Unlimited Resource Center 📌 Wire Rope Slings Wire Rope Choker Capacity Chart (PDF) 2‑Leg Wire Rope Bridle Capacity Chart […] Choker Cable Rigging Capacity Chart Our sliding choker wire rope slings are available in various diameters and lengths, allowing you to choose the perfect sling for your specific lifting needs. Learn how to use choker and basket hitches correctly. Free Shipping on orders $199+ Department of Energy Choose from our selection of chokers, including wire rope slings, flat-eye web slings, and more. We offer a full line of proven wire rope slings, including single-part body, multi-part body, SuperFlex® braided slings, grommets and socket assemblies. This 1-1/2" x 20' steel cable sling is stronger and more durable than nylon or polyester and more economical than chain slings. If Crosby A-1338 Cradle Grab hooks are used at the Figure 1 minimum angle of choke of 120 degrees, the full sling rated WLL can be utilized W I R E R The listed capacities of wire rope slings & assemblies in this catalog are based on the industry standard of a 5 to 1 design factor. Single part body, mechanically-spliced wire rope slings Eyes are typically formedusing a flemish eye splice. BRIDLE/MULTI-LEG Special purpose slings with multiple combinations. Every chart in the app includes the th ee basic hitches and their load capacities. A. Crosby recommends minimum angle of choke of 120 degrees (see Figure 1). Lift-All Endless Wire Rope Slings achieve higher capacities at a lower cost. Here, we outline core operating principles for hitches and slings, including considerations specific to certain set-ups. General Information Web Slings Round Slings Sling Protection Wire Rope Chain Slings Rigging Hardware Mesh Slings Cargo Control Jun 25, 2024 · Sling Charts SLING CHART Sling_Rating_Charts_Sling_Choker. Wire Rope Slings Our Wire Rope Chokers, Slings & Wire Rope Bridles are made in the USA. Lightweight, flexible, and relatively soft, it is suitable in applications were minimal damage to the load's surface finish is important. The Slings Unlimited Wire Rope Sling Builder allows you to create the type of wire rope sling best Do not use slings made with wire rope clips in a choker hitch, Use only wire rope clips made from drop-forged steel of the single-saddle (U-bolt) or double-saddle type clip, Do not use malleable cast iron clips to fabricate slings, Refer to the clip manufacturer for spacing, number of clips, and torque values, REFERENCE REFERENCE Did RATIOS These charts show reductions in working load limits when using basket type slings. These charts detail rope specifications, load limits, and application guidelines, helping users select the right sling for their needs while accounting for factors like diameter, construction, and hitch type to prevent overload risks. Gold Standard Wire Rope Slings Rugged and reliable, the flemish eye spliced with carbon steel sleeves offer the greatest safety in a wire rope choker. 60 minutes These 10 questions are for you to use to help get ready for the load chart and rigging part of the CraneSafe Level A Certification assessment for Mobile Hydraulic Crane. It provides superior strength and reliability compared to other types of rigging materials, which is essential for heavy-duty projects. For sling angles other than those shown, use the rated load for the next lower angle or a qualified person shall calculate the rated load. com Product Information, and Technical Services go to A CHOKER HITCH HAS 80% OF THE CAPACITY OF A SINGLE LEG SLING ONLY IF THE ANGLE OF CHOKE IS 120 DEGREES OR GREATER. We custom manufacture all types of wire rope slings. The following formulas and charts are excerpted from the ATM Fly-Ware Riggermeister Production Rigging Guide. CHOKER HITCH Sling passes through one end around the load, while the other end is placed on the hook. ) Calculator Usage: This calculator is provided for general purpose use only. he same minimum breaking force, size for size. Diameter of curvature of load surface is at least double the diameter of the rope. unirope. WIRE ROPE SLINGS 6x19 and 6x36 Class EIPS - MS - Fiber Core (extra improved plow steel, mechanical splice, fiber core) Based on OSHA standards - Always use the sling tag for the working load limits or consult sling manufacturer. This results in a body formed with nine parts. A choke angle less than 120 degrees will result in a capacity as low as 40% of the single leg. Head Ofice Toll Free Numbers THE ABOVE CHART IS IN ACCORDANCE WITH ASME B30. Great for a new hook on man, apprentice, or anyone needing quick access to choker strengths. A CHOKER HITCH HAS 75% OF THE CAPACITY OF A SINGLE LEG SLING ONLY IF THE ANGLE OF CHOKE IS 120 DEGREES OR GREATER. The chart below shows the capacity reduction of a sling used in a choker hitch. Feb 16, 2021 · The answer may surprise you. Braided 6-Part Single-Leg Wire Rope Slings Sling capacities for rope diameters 1/8” through 5/16” are based on using 7 x 19 G. When you need durable, dependable rigging for cranes and other lifting solutions, Ashley Sling has the answer. In addition, we offer inspection and proof testing services. Rated capacities based on pin diameter no larger than the natural eye width or no less than the nominal sling diameter. 9 11 14 NOTE: ONLY USE THE CAPACITIES SHOWN IN THIS CHART WHEN SLING IS IDENTIFIED AS EEIP (EXTRA EXTRA IMPROVED PLOW STEEL) NOMINAL SLING DIAMETER. Specifically, it addresses how mechanical construction and service workers can safely rig the types of loads that are most common in our industry. Nylon webbing is Diameter of the chain contact area for choker hitches should be 10 times the chain diameter • NEVER exceed Working Load Limits Free all chains from knots and twists in sling legs before lifting • ALWAYS use protection for slings around sharp corners or edges. CHOKER hitches reduce lifting capability of a sling since this method of rigging affects ability of the wire rope components to adjust during the lift. Failure to properly account for sling tension is the most common rigging mistake I’ve seen construction professionals make over the years. Date of Publication: August 2014 Source: Wire Rope Sling Guide (1 page) View 9-part body Flexibility and handling ease for rigging large lifts are the main benefits of the 9-part slings. Made from one 6X19 or 6X37 EIPS IWRC wire rope, mechanically joined with steel sleeves. Whatever your lifting requirements are, Dunlap Industrial Hardware can provide the right sling to get the job done. Discover the convenience of shopping for all your needs in our wide selection. Adaptable for vertical hitch, choker hitch, and basket hitch. It involves looping the sling around the load and back through one of its ends or a choker hook. Understand the requirements to know the load weight and the load center of gravity. Should the sleeve become damaged during use, there is reserve strength 7. lifting. Rated capacities based on design Basic Rigging Charts This page provides essential rigging charts, load calculations, and guidelines for fundamental rigging operations. This is the method used to determine the working load limit (WLL) of a sling: minimum breaking strength of the wire rope (MBL) multiplied by the efficiency of the splice or end fittings divided by the design factor 5. RIGGER REFERENCE BOOKLET This Reference Booklet has been produced and adapted from various manufacturers’ data and is for use in NCCCO written examinations. Sep 7, 2017 · Frequently our work involves lifting materials with a choker hitch. ENDLESS A versatile sling for general use with unlimited rigging methods. Mar 3, 2025 · Wire rope capacity charts provide essential data for determining safe working loads, ensuring optimal performance and safety in rigging operations. A key consideration is the wire rope sling capacity, which can significantly differ based on the hitch arrangement used. Wire Rope Lifting Slings Shop our selection of wire rope slings. This construction provides strength, flexibility, and the ability to handle bending stresses. There are many build variations of Wire Rope, each with strengths and weaknesses, allowing them to be versatile and used in various applications. At first glance these charts appear to be simple SWR Sling Load Safety Chart, work out safe working load dependent on how many legs, the angle of lift and, fibre or steel corded and slinging configuration Apr 7, 2025 · 🏗️ Choker Single Leg Hitch: Calculation Guide for Safe Lifting The Choker Single Leg Hitch is a commonly used method in lifting operations for handling pipes, beams, and scaffold jacks. View Rated Capacity charts for varying rope types. Choker hitch capacity Choker hitch capacity = (sling capacity)(choker factor)(choker angle adjustment) Sliding choker hook speeds rigging of bundled materials. * Rated capacities basket hitch based on D/d ratio of 25 times the component rope diameter. You can use the chart below to calculate tension factors. Flemish loops with thimbles are formed at each leg end by mechanical splicing. Slings with fittings used in a choker hitch must be of suficient length to assure that the choking action is on the web. It is the responsibility of the user to assure that the data they enter is accurate and that the slings they use are appropriate for their application. THE ANGLE OF CHOKE SHALL BE 120 DEGREES OR GREATER. Buy Now! EIPS - MS - Fiber Core (extra improved plow steel, mechanical splice, fiber core) Based on OSHA standards - Always use the sling tag for the working load limits or consult sling manufacturer. Rated Capacities based on design factor 5:1 for Construction Ontario Chains slings. A Full Service Rigging House with Online Buying. Sep 21, 2018 · Learn how to safely use a sling choker hitch, when to apply it, and what precautions to take to avoid capacity loss and rigging failure. Capacity/Care and Instruction tag attached. In the upcoming diagrams, you will find 10 unique rigging sling types, each demonstrating various sling hitches. hndwtklyratbrnltwmywizgwyjepwkqxyplvmdzeykzlzfqoqtdzywtjffnmzbrmcqjifxqlaeyblpanvclx