Synthetic Slings - Hanes Supply, Inc

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8 Synthetic Slings Buffalo - Headquarters: 716.826.2636 FAX: 716.826.4412 Albany/NE Division: 518.438.0139 FAX: 518.438.5343 Rochester Division: 585.235.0160 FAX: 585.235.0229 Synthetic Slings Environmental Considerations 1. When not in use, slings (Twin-Path ® ) should be stored in a clean dry place. Heat sources and non-ventilated places should be avoided. 2. Chemically active environments can affect the strength of Twin-Path ® Lifting Slings. Different chemicals will react with different exposure to Covermax Bulked Nylon, polyester, aramids, and Olefins. Please see the enclosed tables for reactions of specific chemicals. ARAMIDS are resistant to most ketones, alcohols, dry cleaning solvents and many other organic solvents. Aramids show good resistance to alkalis at room temperature, but is degraded by strong alkalis at higher temperatures. Aramids are resistant to most weak acids and alkalis, ketones, alcohols, hydrocarbons, oils and dry cleaning solvents. Strong acids and bases and sodium hypo-chlorite bleach attack aramids, particularly at high temperatures of high concentrations. Aramids are compatible with fluorine-containing elastomers, resins, and refrigerants at high temperatures, and are resistant to fluorine compounds in high concentrations. The resistance of aramids to oxides of sulfur at temperatures above the acid dew point is superior to that of polyester. Below the dew point, concentrated sulfuric acid may condense on the fiber and cause a progressive loss in strength. In moderate to strong acid alkalis environments, evaluation of aramids should be made to ensure that the yarn will perform acceptably before use. POLYESTER and NYLON are not significantly affected by most compounds of the following classes: Alcohols, Dry Cleaning Solvents, Halogenated Hydrocarbons, Ketones, Soaps and Synthetic Detergents, and Water (including Sea Water). Polyester also shows good to excellent resistance to aqueous solutions of most weak acids at the boll, and to most strong acids at room temperature, but is disintegrated by concentrated (95%) sulfuric acid at room temperature. Aqueous solutions of strong alkalis at room temperature, but is degraded at the boil. Oxidizing agents, and is not degraded by bleaching treatments ordinarily used for textiles. Nylon is not significantly affected by most aldehydes, alkalis, ethers, or hydrocarbons, but is deteriorated by dilute acids (e.g., hydrochloric acid and sulfuric acid in 10% concentrations at room temperature cause a noticeable loss in breaking strength in 10 hours). Solvents for nylon include: concentrated formic acid, Phenolic compounds at room temperature, calcium chloride in methanol at room temperature, hot solutions of calcium chloride in Glacial Acetic Acid, Ethylene Chlorohydrin, and Ethylene Glycol, hot solutions of zinc chloride in methanol, and Benzyl alcohol at the boil. HDPE has excellent chemical resistance (100% strength retention) after 6 months immersion in the following liquids: Sea Water 10% Detergent Solution Hydraulic Fluid Kerosene Perchlorethylene Glacial Acetic Acid Toluene Gasoline 5M Sodium Hydroxide Ammonium Hydroxide (29%) Hypophosphite Solution (10%) 1M Hydrochloric Acid HDPE has a 91% strength retention after 6 months immersion in Clorox ® . K-Spec core yarn strength retention is based on test results of components at 65 0 C/150 O F (or less) for 6 months. K-Spec has a 100% strength retention when exposed to: age, 10% detergent solution, rot and mildew, sunlight and Toluene; 99% strength retention when exposed to: acetic acid, gasoline, hydrochloric acid 1m, hydraulic fluid, kerosene, and sea water; 98% retention when exposed to: 25% ammonium hydroxide, 10% hypophosphite solution, and 40% phosphoric acid; 97% retention when exposed to 5m sodium hydroxide; 95% retention when exposed to Portland cement and sulfuric acid; and 88% retention when exposed to Clorox ® and nitric acid. Fiber Characteristics (Using Nylon as basis of 1.0) 8-12 WWW.HANESSUPPLY.COM Hanes Supply of SC, Inc. CCISCO: 843.238.1338 FAX: 843.238.8337 Twin-Path ® & Twin-Path ® Covermax Slings 1 Bulk Strength is defined as strength per circumference squared. 2 Working is defined as rope actually in use under a cycling load. 3 Co-efficient of friction Is based on reluctance to slip or slide. 4 Critical temperature is defined as the point at which degradation is caused by temperature alone. Cold-Flow (Creep) is defined as fiber deformation (elongation) due to molecular slippage under a constant steady static loading situation. Fibers that have this inherent characteristic will display extremely low or negligible creep if minor fluctuations occur in the rate and/or frequency of load levels. In rope form, this would apply to polypropylene, polyethylene and HDPE Olefin fibers. Generic Fiber Polypro- HDPE Type Nylon Polyester Pylons Olefin Aramid K-Spec Bulk Strength 1 1.0 .9 - 1.1 .55 2.8 2.7 2.75 Weight 1.0 1.21 .80 .85 1.26 1.01 Working 2 Elastic 1.0 .60 .80 .10 .10 .10 Elongation Co-efficient 3 of .10 - .12 .12 - .15 .15 - .22 .08 .10 - .12 .10 Friction Chars at Chars at Melting Point 460 O F 480 O F 330 O F 297 O F 800 O F 297 O F CriticaI 4 Temp. 180 O F 180 O F 180 O F 150 O F 300 O F 180 O F Specific Gravity 1.14 1.38 .91 .97 1.44 1.2 Cold Flow Negligible Negligible Negligible Negligible Negligible Negligible to high to high Inspections of Twin-Path ® Products 1. Tell-Tails should extend past the tag area of each sling. If both Tell- Tails are not visible remove the sling from service. If the Tell-Tails show evidence of chemical degradation, remove the sling from service. Send to manufacturer for repair evaluation. 2. Slings should be inspected for evidence of cutting or tearing of the outer cover. Slings with cuts should be removed from service and sent back to the manufacturer for repair evaluation. Damage to the cover may indicate core damage. 3. Inspect slings for evidence of heat damage. Slings with polyester or Covermax covers should not be exposed to temperatures above 82 O C/180 O F. Aramid covered Sparkeater Slings should not be exposed to temperatures over 149 O C/300 O F. Slings with HDPE Olefin cores should not be exposed to temperatures above 65 O C/150 O F. K-Spec Core Slings should not be exposed to temperatures above 82 O C/180 O F. Cold temperature exposure down to minus -40 O C/minus - 40 O F do not effect the strength of the products. Other temperatures should be referred to the manufacturer. 4. Slings using aluminum fittings shall not be used where fumes, vapors, sprays, or mists of alkalis or acids are present. 5. Twin-Path ® Lifting Slings and any fittings attached should be the subject of frequent and regular inspections. In addition to the initial inspection by a competent person and frequent written inspections the slings should be visually inspected before each use. 6. Written inspections should be performed each 30 days and documents of such inspection by a competent person shall be kept on file in the safety department of the plant or site where used. Inspections may be done more often based on frequency of use, severity of conditions. experience of past service life. 7. Slings should be examined throughout their length for abrasion, cuts, heat damage, fitting distortion or damage, tag legibility, and if any doubts are held by the inspector the sling should be removed from service. Core integrity is determined by hand inspection of the entire sling or by fiber optic light transfer if this type of tell-tail is installed in the sling. If a deterioration is found, the sling must be removed from service and returned to the manufacturer for evaluation. 8. Slings removed from service that are not capable of repair should be destroyed and rendered completely unfit for future use. 9. Abrasion, heat damage or cuts to the cover may indicate a loss of strength to the load core and these slings should not be used until evaluated by the manufacturer. At area of damage cover should be opened and the core yarns counted and visually inspected. Testing Procedures 1. For proof testing the pins shall be 2" diameter or larger. 2. Proof tests shall consist of pulling the slings to twice their rated capacity as shown in the appropriate tables. Slings shall be held at the proof test limit for a period of 15 seconds and then the tension may be released. 3. Testing of Twin-Path ® Sling products and load yarn shall be on a certified and currently calibrated testing machine, which meets or exceeds the standards as described in ASME E4. 4. Break testing of slings shall be as above with results documented. A minimum design factor of five is mandatory. Pin size for testing should be a maximum diameter equal to half the sling width. 5. Proof testing is recommended for every sling. 6. After the sling is proof tested the Tell-Tails should then be trimmed to length prior to shipment. 7. Repaired fittings or slings shall be proof-tested before they are returned to service. These recommended standard specifications have been formulated as a guide to users, industry and government to insure the proper use, maintenance and inspection of Twin-Path ® lifting sling products.
Buffalo - Headquarters: 716.826.2636 FAX: 716.826.4412 Albany/NE Division: 518.438.0139 FAX: 518.438.5343 Rochester Division: 585.235.0160 FAX: 585.235.0229 Twin-Path ® Slings • Twin-Path ® Slings are constructed of polyester load carrying yarns. • The load carrying yarns are protected by two independent, seamless, color coded, polyester covers. • The internal red cover is protected by the outer orange cover. • The sling cover is fabricated in such a way that it is actually two complete and separate slings in one. Each path makes its own separate connection between the lifting hook and the load. This unique back up system is designed to provide the sling user with sufficient reaction time to maintain control of the load if damage to one of the paths went undetected. Hanes Supply of SC, Inc. CCISCO: 843.238.1338 FAX: 843.238.8337 Synthetic Slings Twin-Path ® & Twin-Path ® Covermax Slings Twin-Path ® Extra Slings • Twin-Paths Extra Slings are constructed of high performance load carrying yarns. • The load carrying yarns are protected by two independent, seamless, color coded, polyester covers. • The internal red cover is protected by the outer orange cover. • The sling cover is fabricated in such a way that it is actually two complete and separate slings in one. Each path makes its own separate connection between the lifting hook and the load. This unique back up system is designed to provide the sling user with sufficient reaction time to maintain control of the load if damage to one of the paths went undetected. Twin-Path ® Covermax Slings • Twin-Paths ® Covermax Slings are constructed of polyester load carrying yarns. • Gray Tag Patch - Polyester Load Yarns. • Tell Tails - When Twin-Path ® and Twin-Path ® Covermax Slings are loaded beyond their rated capacity, the indicator tails shrink until they finally disappear under the cover. • The load carrying yarns are protected by two independent, seamless, color coded covers. • The internal polyester red cover is protected by an outer gray cover of Covermax nylon. • Sleeves can be sewn around the body of the sling so that they can be positioned to the areas where they are needed. Polyester Cover – Covermax Cover A leather tag contains required Information - and the Flag Tag contains the Vertical Capacity in Large Readable Characters. TWIN-PATH ® & TWIN-PATH ® COVERMAX SPECIFICATIONS Canadian Patent #1,280,458 United States Patent #4,850,629 ORANGE Polyester Cover GREEN Covermax Cover Rated Capacities (lbs) 5-1 D/F Twin- Choker Vertical Basket Hitches Approx. Approx. Twin- Path ® 0 Wt. Body 60 O 45 O Path ® Covermax (lbs per ft) Width Stock No. Stock No. (Bearing-Bearing) (in) TP 200 TPC 200 1,600 2,000 4,000 3,464 2,828 .28 2 TP 300 TPC 300 2,400 3,000 6,000 5,196 4,242 .30 2 TP 450 TPC 450 3,600 4,500 9,000 7,794 6,383 .45 2 TP 600 TPC 600 4,800 6,000 12,000 10,392 8,484 .48 3 TP 750 TPC 750 6,000 7,500 15,000 12,990 10,605 .65 3 TP 900 TPC 900 7,200 9,000 18,000 15,588 12,726 .70 3 TP 1200 TPC 1200 9,600 12,000 24,000 20,784 16,968 .90 4 TP 1400 TPC 1400 11,200 14,000 28,000 24,248 19,798 .95 4 TP 1700 TPC 1700 13,600 17,000 34,000 29,440 24,038 1.20 4 TP 2200 TPC 2200 17,800 22,000 44,000 38,104 31,108 1.40 5 TP 2600 TPC 2600 20,800 26,000 52,000 45,032 36,784 1.70 5 TP 3200 TPC 3200 25,600 32,000 64,000 55,424 45,248 1.90 5 TP 5000 TPC 5000 40,000 50,000 100,000 86,600 70,700 2.70 6 TP 6000 TPC 6000 48,000 60,000 120,000 103,920 84,840 3.00 6 PLEASE NOTE. Capacities shown include both paths and are for one complete sling. Ratings based on straight pin diameter one-half the sling width. • DO NOT EXCEED RATED CAPACITY • METRIC CAPACITIES AVAILABLE WARNING! Can fall If damaged, misused or overloaded. Inspect before use. Use only If trained. Observe rated capacity. Avoid sharp edges and exposure to acid, alkalis, sunlight and temperature over 180 O F. DEATH or INJURY can occur from Improper use or maintenance. Twin-Path ® Extra Covermax Slings • Twin-Path ® Extra Covermax Slings are constructed of high performance load carrying yarns. • Orange Tag Patch - High Performance Load Yarns. • Tell Tails - When Twin-Paths Extra and Twin-Path ® Extra, Covermax Slings are loaded beyond their rated capacity, the indicator tails shrink until they finally disappear under the cover. • The load carrying yarns are protected by two independent, seamless, color coded, covers. • The internal polyester red cover is protected by an outer, gray cover of Covermax nylon. • Sleeves can be sewn around the body of the sling so that they can be positioned to the areas where they are needed. Polyester Cover – Covermax Cover A leather tag contains required Information - and the Flag Tag contains the Vertical Capacity in Large Readable Characters. TWIN-PATH ® EXTRA & TWIN-PATH ® EXTRA COVERMAX SPECIFICATIONS United States Patent: #4,850,629 Canadian Patent: #1,280,458 ORANGE Polyester Cover GREEN Covermax Cover Rated Capacities (lbs) 5-1 D/F Approx. Twin- Twin- Choker Vertical Basket Hitches Wt. Approx. Path ® 0 (lbs per ft) Body 60 O 45 O Path ® Covermax (Bearing- Width Stock No. Stock No. Bearing) (in) TPX 1000 TPXC 1000 8,000 10,000 20,000 17,320 14,140 .31 3 TPX 1500 TPXC 1500 12,000 15,000 30,000 25,980 21,210 .40 3 TPX 2000 TPXC 2000 16,000 20,000 40,000 34,640 28,280 .55 3 TPX 2500 TPXC 2500 20,000 25,000 50,000 43,300 35,350 .65 4 TPX 3000 TPXC 3000 24,000 30,000 60,000 51,960 42,420 .80 4 TPX 4000 TPXC 4000 32,000 40,000 80,000 69,280 56,560 1.12 5 TPX 5000 TPXC 5000 40,000 50,000 100,000 86,139 70,700 1.50 5 TPX 6000 TPXC 6000 48,000 60,000 120,000 103,920 84,840 1.60 6 TPX 7000 TPXC 7000 56,000 70,000 140,000 121,240 98,980 1.68 6 TPX 8500 TPXC 8500 68.000 85,000 170,000 147,220 120,190 1.85 6 TPX 10000 TPXC 10000 80,000 100,000 200,000 173,200 141,400 2.20 6 TPX 12500 TPXC 12500 100,000 125,000 250.000 216,500 176,750 3.00 8 TPX 15000 TPXC 15000 120,000 150,000 300,000 259,800 212,100 3.36 8 TPX 17500 TPXC 17500 140,000 175,000 350,000 303,100 247,450 4.00 10 TPX 20000 TPXC 20000 160,000 200,000 400,000 346,400 282,800 4.37 10 TPX 25000 TPXC 25000 200,000 250,000 500,000 433,000 353,500 5.50 11 TPX 27500 TPXC 27500 220,000 275,000 550,000 476,300 388,850 6.90 11 TPX 30000 TPXC 30000 240,000 300,000 600,000 519,600 424,200 7.50 13 PLEASE NOTE. Capacities shown include both paths and are for one complete sling. Ratings based on straight pin diameter one-half the sling width. • DO NOT EXCEED RATED CAPACITY • METRIC CAPACITIES AVAILABLE WARNING! Can fail if damaged, misused or overloaded. Inspect before use. Use only if trained. Observe rated capacity. Avoid sharp edges and exposure to acid, alkalis, sunlight and temperature over 180 O F. DEATH or INJURY can occur from improper use or maintenance. 8 Synthetic Slings WWW.HANESSUPPLY.COM 8-13
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Synthetic Slings - Hanes Supply, Inc

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