The Web Sling & Tie Down Association has also formulated a Recommended Standard Specification for Synthetic Polyester Roundslings WSTDA-RS-1 as a guide for users, industry and government to ensure the proper use, maintenance and inspection of synthetic polyester roundslings. sizes capacity slings, and Beaver Round Slings are manufactured from a hank of polyester yarn of one or more strands wound together continuously to form an endless sling. Observe all pertinent instruc-tion provided by OSHA and ASME. Treated and untreated nylon and polyester webbing, used to fabricate synthetic slings, per class 5 and class 7 rated capacity charts, may contain red yarn woven into the core of the webbing to serve only as one of many aids in determining whether and when a sling should b OSHA standards demand that the rated capacity be noted on each sling. , maintains a large inventory of wire rope in all diameters and constructions to meet the needs and expectations of the market. 9 SPECIFICATIONS Type 3 and 4 Type 5 NOTE: Capacities shown include both paths and are for one complete sling. Elastic stretch: Nylon will stretch about 6% when loaded about twice that of polyester at sling s rated capacity and still return to original length. Duplex Webbing Slings and Polyester Round Slings are used for lifting loads or objects that may have fragile or delicate surfaces, which could be harmed if lifted with chains or wire ropes. 2b. is slings. The sling is protected by an outer sleeve which is non-load bearing. They are versatile, durable, SWL Calculation - Free download as Word Doc (. Nylon performs better at low temperatures and is actually 10 to 15% stronger at -40°C (-40°F) than at 21°C (70°F). Using the maximum load (or loads) you will lift, and the angle of lift required — work to the left across this table to determine proper chain size for your sling. Alternatively, the sling Reduced Capacity method may be used to determine reduced lift capacity for any angle. NYLON Nylon is popular and general purpose synthetic fiber which is unaffected by common grease and oil. docx), PDF File (. Always consult your SpanSet lifting chart. CIENCY, the number of plys in a WHICH web sling CCISCO provides information on synthetic slings including nylon and polyester slings. com Product Information, and Technical Services go to Folding, Bunching or Pinching of Nylon Web Slings and Polyester Round Slings, which occurs when used with standard shackles, hooks, clevises or other applications WILL reduce the rated working load of the sling. Never use damaged slings. Folding, Bunching or Pinching of Nylon Web Slings and Polyester Round Slings, which occurs when used with standard shackles, hooks, clevises or other applications WILL reduce the rated working load of the sling. We specialize in slings, sling protection, load hugger cargo control, lifting devices & accessories, hoists, specialty slings & straps, & towing products. Learn how to identify sling capacity and make safe lifting decisions with our guide D/d ratio is a critical factor in choosing a sling with enough capacity. their responsibilities as outlined in all applicable standards and regulations. Eye & Eye-Twist Type 4 — Sling made with both loop eyes formed as in Type 3, except that the loop eyes are turned to form a loop eye which is at a 0M HOOK2 aEVL MCCÅ“owCE eHMDlne eHonrn AwnEa M DEelCV1 EVCLOB eu vuel - ao DECBEEe VBE BECOMEhDED HOBlsomvr werE-e rtee LHVH BEEEB LO B3Å’a E-OB Enrr DELVIre cuoee CHVIM 0B conbr-Me MEW 1MCHEe vrr0MVWE S eoneEa at-noro BE HorMOE0 BA r rwa Avrn€a M og u LO EXb0eE OE LHE aHvr-r BE Exwweo Wö EMi*t51aóiÑbttfifY" eHvrr . own weight 30-70% bigger. Conforms to ANSI/ASME B30. Example: Wire Rope Slings For Inspection, Re-Certification, www. pdf you can go tighter. 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. . LIFTX HEAVY LIFT SLINGS With over a decades experience in the field of heavy lifting slings, Liftek offers the largest and best heavy lift slings to more than 25 countries. Never mix the WLL of slings in one lift. Over the period the company has grown into producing almost all the items required in the lashing and lifting slings with in-house facilities of producing all the required hardware, webbing, stretching, fabrication, assembly, rubber etc. ) WEB SLING LENGTH When determining sling length, measure from the top load-bearing point to the bottom load-bearing point. The document includes details on 5 types of slings as well as an eye length chart showing the eye lengths and maximum weight capacities for slings of varying widths and ply numbers. This type of nylon sling is sometimes called a flat eye and eye, eye and eye, or double eye sling. pdf uploaded: Jun 25, 2024 Elastic stretch: Nylon will stretch about 6% when loaded about twice that of polyester at sling s rated capacity and still return to original length. They differ depending on the type of slings. Keep an inspection record for each sling. To determine the actual capacity at a given angle of lift, multiply the original sling rating by the ap-propriate loss factor determined from the table. Rated Capacity The rated capacities of the nylon slings in this catalog are given in pounds. An eye and eye sling length is measured from tip to tip of the eyes. Always protect synthetic slings from being cut by corners and edges. This gives the rated capacity to look for in selecting the proper size of sling. The color of a textile lifting sling indicates the sling's working load limitThese are defined in the standard EN 1492. Refer to the maximum recommended weight for which the sling is to be used in one of the standard types of lifts as illustrated: The working load limits above are calculated on a 5:1 design factor THE ABOVE CHART IS IN COMPLIANCE WITH ASME B30. EN360 and larger Tuflex roundslings feature TufhideTM wear-resistant nylon jacket for extra sling life. pdf uploaded: Jun 25, 2024 flip download details This Recommended Standard Specification applies to web slings made of nylon or polyester fibers used for applications which may include lifting, suspending, transporting, lowering andotherloadhandlingunderknownconditions. Refer to the E昀昀ect of Angle chart in the General Information sectio n of this catalog. As with the choker hitch, more than one sling rigged in a basket hitch (or some other means) may be necessary to help ensure load control. Unirope Slingmax offers a wide range of rigging products including sliding chokers, slings and more. For example, a 12mm diameter rope has an SWL of 1,152 kg (1. T he rated capacity of a sling varies depending upon the type of sling, the size of the sling, and the type of hitch. Reference charts showing slings and hitch-rated capacities are av Inspect slings before using them. The rated capacity is based both on sling fabrication components (minimum breaking force of rope used, splicing efciency, number of parts of rope in slin g and number of sling legs) and sling application components (angle of legs, type of hitch, D/d ratios, etc. Lift-All is the largest sling manufacturer in North America. The load should be secured by the sling in such a manner that it cannot topple or fall out of the sling during the lift. The Increased Tension method provides the increased tension as a function of the sling angle. 2. Do not, under any circumstances tie knots in the sling - this will result in loss of strength and sling damage. KENNEDY WIRE ROPE AND SLINGS RATED CAPACITY Using slings at an angle can become deadly if that angle is not taken into consideration when selecting the sling to be used. When slings are used at an angle (i. Flat Web Sling Capacities Endless Type Slings Nylon and polyester web slings possess a limited useful service life due to the degradation caused by exposure to sunlight or other measurable sources of UV radiation. d chemical resistance. The crane that can actually do the job could well be approx. offers a complete range of wire rope slings, nylon slings, chain, shackles, thimbles, sockets, and other related hardware. When you move on to the section containing the product you need, you will find specific information regarding that item. Roundslings can be damaged or weakened by excessive compression between the sling and the connection points. Always read and ensure the instruction is understood before lifting of payload commences. In addition, Industrial Wire Rope Supply Co. Nylon, Polyester Web or Polyester Round Flexibility, weight, strength, and non-marring properties make synthetic slings the most sought after slings for contractors and riggers alike! Because of these inherent features, extreme caution as to selection, care and general use must be exercised. The Safe-Line Nylon Bridle Sling offers all the advantages of standard Safe-Line Slings. a critical wear area For 3 for and all polyester and nylon For 3 and 4 ply slings wider than 4 in, Round Slings Oct 4, 2022 · Learn more about the different styles of nylon lifting slings, the benefits of using a sling made from nylon, and sling protection. 15 tonnes). I serve on the technical subcommittee for web slings and am the chairman of the Tag and Warning Technical Subcommittee for the AWRF. Itrecommendsconstruction,identification and marking of web slings. The tension on each leg of the sling is increased as the angle of lift, from horizontal, decreases. If you can measure the angle of lift or the length and height of the sling as rigged, you can determine the properly rated sling for your lift. Handling tolerance for slings or parts of slings indicated as vertical = 6 degrees. For choker hitch, the angle of choke shall be 120 degrees or greater. It is more desirable for a sling to have a larger angle of lift, approaching 90°. Nylon and polyester web slings possess a limited use-ful outdoor service life due to the degradation caused by exposure to sunlight, or other measurable sources of UV radiation. 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. ANY ANGLE other than vertical at which the sling is rigged, in- These FACTORS factors include ATTACHMENT which Strength of the material used in the sling, affect the overall creases the loading (tension) on the sling. Slings with adequate capacity for the load’s “scale” weight have catastrophically failed because the Sling-to-Load Angle and increased tension were not taken into account. Nov 4, 2023 · Web Sling Size and Capacity : Web slings are an essential tool in various industries, used for lifting and securing heavy loads. Bullivants is Australia’s oldest and largest specialist provider of lifting, rigging, height safety, restraint and recovery solutions, testing and inspection services in the industrial sector. How To Use This Catalog If you know the type of product you need, locate the section by looking for the colored page tab. Wire Rope Load Limits Rated load based on pin diameter no larger than one half the natural eye length or not less than the nominal sling diameter. The angles detailed above: 0-45 degrees and 45-60 degrees are both relative to the vertical. KENNEDY WIRE ROPE AND SLINGS Introduction 82 to lifting slings and round slings Technical details 83 of lifting slings and round slings Rema Force 84 round slings for heavy loads Polyester webbing ¾ Synthetic slings cannot be used for general hoisting purposes. Adhere to manufacturers warnings, r To determine the actual capacity at a given angle of lift, multiply the original sling rating by the ap-propriate loss factor determined from the table. Safety Factors inc the angle of lift, legs, colour coding, pull and more. Rated capacities, design factors and D/d ratios D/d RATIOS When a sling is rigged as a basket, the diameter of the bend where the sling contacts the load can affect the sling’s lifting capacity. , two slings, or one sling in a basket hitch, attached to only one crane hook), sling capacity is reduced. Internal abrasion is minimal in nylon and it will withstand repeated flexing over pulleys and through sheaves much longer than other rope types. See the Sling Protection section in this catalog. Each sling is supplied with an individual test certificate. The diameter of rope needed to lift a given load can also be Learn how to use choker and basket hitches correctly. Always consider the sling angles when making a lift. The Flat Woven Webbing Sling safe mass loads listed in the chart below are for the sewn component and have a factor of safety of 6 to 1 as required by the Driven Machinery Regulation 18 (10, c, ii) of the Machinery and Occupational Safety Act. Check the capacity tables in this catalog to make sure of the strength of the sling you may need. To calculate the safe working load (SWL) of a fiber synthetic wire rope (FSWR), square the rope's diameter in millimeters and multiply by 8. 1 of this part of SS 343 is reproduced from Table 2 – ‘Examples of single-leg slings and terminal fittings’ of EN 13414-1:2003+A2:2008 ‘Steel wire rope slings – Safety – Part 1: Slings for general lifting service’, with the permission of the European Committee for Standardization. Refer to the Efect of Angle chart in the General Information section of this catalog. doc / . Slings should not be used at angles of less than 30°. 4. 9 Chapter 7, NAVFAC P-307, the Cordage Institute C I 1905 Roundsling Standard, WSTDA RS-1-HP standard. Here at SafetyLiftinGear we’ve put together a handy round sling chart to help you quickly identify the lifting capacities of a round sling based on its colour. critical wear provides area for all additional polyester service and nylon life as rigging this is slings. The sling cradles the load while both ends are at-tached overhead. Always work within the WLL of your slings. 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. With the quick reference capacity chart, you of crane will get an estimate of the crane needed NOTE: For the final lift plan always use the actual lifting capacity chart of the crane! Quick Reference capacity Chart for Hydraulic cranes 1. This chart is based on a 5:1 Design Factor (DF); but any other DF can be fabricated. The angle of the sling can reduce the capacity of all the rigging due to sling tension. Basket hitch capacity based on minimum D/d ratio of 25/1. Aug 4, 2021 · Load configuration charts are therefore essential to calculate the capacity of your sling according to your situation. High quality forged fittings are selected to match or exceed the sling rated capacities, with a design factor of 5 to 1. Specific ordering instructions are shown in each section of the catalog. Example: Jun 25, 2024 · Sling Charts SLING CHART Sling_Rating_Charts_Sling_Choker. The tag should include the following information: sling size, reach, working load limit, serial number, manufacturer name, grade of sling and number of branches. zrnoE brne • - 0k S HMGE EHEErA eEV1 Mu»uu CHVM Helicopter sling load opera-tions are used extensively in the ship-to-shore movement of cargo and equipment during amphibious operations, movement of supplies and equipment over the battle-field Chain Sling Basics & How to Order Rated Capacity for Chain Slings Single & Double Leg Chain Slings Triple, Quad & Basket Chain Slings Adujstable Chain Slings Adjust-A-LinkTM Grade 100 Chain Slings Inspection Criteria for Chain Slings The sling capacity DECREASES as the horizontal angle DECREASES. I am a member of the ASME B30. Jun 25, 2024 · Sling Charts SLING CHART Sling_Rating_Charts_Sling_Choker. turers' slings for their code number and the rated capacity. The products shown in this literature are subject to wear, misuse, overloading, corrosion, deformation, intentional alteration and other usage factors that may ne-cessitate a reduction in the product’s Rated Capacity or a reduction in its Design Factor. Select and use proper connection hardware that conforms to the size requirements listed for choker, vertical, or basket hitches in the charts below. at five strategically located manufacturing units. All chain slings should come with a metal identification tag that is affixed to the chain. It is completely resistant to rot and mildew attack and may be stored wet without High Performance Roundslings Wear-Flex Catalog 210 We would like to show you a description here but the site won’t allow us. Sling Hardware and Connections Connection surfaces must be smooth to avoid abrading or cutting slings. When you’re calculating the load of basket hitches and bridles, remember that as the horizontal angle of a sling decreases, the resultant load on each leg increases. Endless Flat Slings are manufactured from woven synthetic-fibre webbing and sewn together to form an endless sling. Industrial Wire Rope Supply Co. Basic Factors concerning the use of Synthetic Slings RATED Nominal CAPACITY Breaking (Rated Load; WLL) of a sling is based upon 5. ). How much it is reduced depends on the degree of the angle. WEBBING SLING LOAD CHART Single, Double, Three & Four Ply with Soft Eye End Note: 1. This principle applies in a number of conditions, including when one sling is used to lift at an angle and when a basket hitch or multi-leg bridle sling is used. Use slings made of the right material for the job. 9 SPECIFICATIONS Type 3 and 4 Type 5 The rated capacity is based both on sling fabrication components (minimum breaking force of rope used, splicing efficiency, number of parts of rope in sling and number of sling legs) and sling application components (angle of legs, type of hitch, D/d ratios, etc. If the angle of the sling is not taken into consideration before selecting a sling to lift a load, SERIOUS INJURY OR DEATH COULD RESULT from the load being dropped. Promotes Safety Load stability and balance can be achieved by spreading sling legs. e. Sling ratings based on commercial fittings of equal or greater capacity. 1 9/30 Figure ZB. repair only according to the manufacturer's recommendat ENDLESS WEB SLING CAPACITY CHART * Before ordering slings that are going to be used in a chemically active environment, contact Liftex® Customer Service, to recommend the right sling for the right usage. Work out the Safe Working Load of webbing & round slings using the Load Chart. Beaver Endless Flat Slings are manufactured from woven synthetic-fi bre webbing and sewn together to form an endless sling. Round Slings are manufactured from a hank of polyester yarn of one or more strands wound together continuously to form an endless sling. Always consult your Safehold lifting chart. Ensure that shackles and ttings are proper shape to allow the sling to seat properly. Removal from service Remove sling from service immediately if Capacity charts for most slings manufactured by Liftex. Multi-leg sling assemblies, or single-leg slings with ittings, are measured from the load-bearing point of any rings, hooks, or fittings. Round Sling Colour Chart: As you can see from the round sling chart above, there are a number of different colours assigned to slings with different maximum weights. , Inc. 9 sling subcommittee and belong to the Association of Crane and Rigging Professionals (ACRP). The rated capacity for a basket hitch is twice that for a vertical hitch. txt) or read online for free. Increasing the angle between the sling legs reduces the lifting capacity. Nylon and polyester web slings possess a limited useful service life due to the degradation caused by exposure to sunlight or other measurable sources of UV radiation. Higher capacity slings are Flexibility, weight, strength, and non-marring properties make synthetic slings the most sought after slings for contractors and riggers alike! Because of these inherent features, extreme caution as to selection, care and general use must be exercised. unirope. MULTIPLE LEG SLINGS TRIPLE LEG SLINGS HAVE 50% MORE CAPACITY THAN DOUBLE LEG SLINGS (AT SAME SLING ANGLE) ONLY IF THE CENTER OF GRAVITY IS IN CENTER OF CONNECTION POINTS AND LEGS ARE ADJUSTED PROPERLY (THEY MUST HAVE AN EQUAL SHARE OF THE LOAD). Flat lifting slings capacity charts • back to top • • back to top • • back to top • • back to top • • back to top • Chain slings, wire rope slings, web slings, roundslings and wire mesh slings all can be inspected in one survey by a representative from the only company that makes them all - Lift-All. While one- and two-ply thicknesses are the most common, three- and four-ply slings can also be made. choke sliding into the center of the load. All slings can be provided with protective polyester sleeve of any length. Whether you’re lifting small or moderate to heavy loads, Unirope can help you choose the right sling for the job. Download PDFs about Liftex Slings, including specifications, warnings, and product details for various lifting applications. Refer to the maximum recommended weight for which the sling is to be used in one of the standard types of lifts as illustrated: Webbing Sling & Round Sling Working Load Limit Chart M = Mode factor for symmetrical loading. Nylon products have good resistance to aldehydes, hydrocarbons, ethers and some alkalis, while degradation ranging from none to moderate occurs with exposure to certain alkalis. Sling tension increases as the angle from horizontal decreases. Synthetic slings can only be used if wire rope slings are not suitable for a unique hoisting condition; such as protecting the load from rigging damage, excessive weight of conventional rigging, head room issues, safety concerns, etc. The working load limits above are calculated on a 5:1 design factor THE ABOVE CHART IS IN COMPLIANCE WITH ASME B30. You can usually rely on sling angles down to 45°, and with careful stress calculations and gear protectors, 338wide_mag_sunset. Nylon slings are not suitable for use with acids and bleaching Load chart for webbing slings The following chart describes the load capacity for specific lifting slings in specific configurations. Overloading beyond rated capacity will permanently stretch and weaken both types. The sling should be arranged so that the point of lift is directly above the centre of gravity and the load is balanced and stable. pdf), Text File (. It also provides notes on features like Monster-Edge coating, tapering of wider slings, and treatment options for nylon versus How to Select a Sling for Use at Any Angle When calculating for selection of the proper sling, select the vertical angle in the chart at left. The American Engineers Understand the colour coding system for synthetic slings. Read the “increase in stress” as a percentage factor. Proper Chain Sling Selection When choosing a chain sling there are a few things to consider: 1. GRADE WORKING LOAD LIMITS (LBS) Triple/Quad Sling Type 1, 2, 3 and 4 Type 5 Nylon Slings Load Limits Eye & Eye-Flat Type 3 — Sling made with a flat loop eye on each end with loop eye opening on same place as sling body. Knowledgeable Perform a visual inspection of the entire sling Sling users must be knowledgeable about the and feel along its entire length for any of the safe and proper use of slings and be aware of types of conditions listed in Tables 2-1 and 2-2. Adhere to manufacturers warnings Rated Capacity The rated capacities of the nylon slings in this catalog are given in pounds. Please feel free to contact or sales department for help with special requirements. Multiply the actual load weight by this percentage, then add the answer to the actual load to be lifted. Buy Now! Check-Fast® Higher- or lower to prevent damage to the sling intermediate upon request.

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