Material: alloy steel forging, quenching treatment, high strength

　　Application: petrochemical industry, mining, metallurgical chemical industry, automobile manufacturing, industrial control, Marine engineering, etc

　　Usage: manual, mobile.

　　Test load method: rated load ×2.

　　Note: Do not collide with suspended objects. Overload is strictly prohibited.

　　The use and precautions of universal vertical hook:

　　1. Check the hook regularly according to the use, and the interval shall not exceed 1 month.

　　2, the use of the hook found that the rotation is not flexible, should be stopped.

　　3. The plastic deformation of the hook should be stopped immediately.

　　4. Overload is strictly prohibited.

　　5. No one is allowed to stand under the lifting.

　　Safety inspection of universal vertical hook:

　　1. The hook used for the human-driven lifting mechanism is tested with 1.5 times the rated load as the inspection load.

　　2. The lifting hook of the power-driven lifting mechanism is tested with 2 times the rated load as the inspection load.

　　3. After the hook is removed from the inspection load, there should be no obvious defects and deformation, and the increase in opening degree should not exceed 0.25% of the original size.

　　4, qualified hook, should be printed in the hook low stress area, including rated weight, factory label or factory name, inspection mark, production number and other content.

　　Scrap standard hook should be scrapped when one of the following situations occurs:

　　1. Crack;

　　2. Dangerous section wear up to 10% of the original size;

　　3. 15% more opening than the original size;

　　4. Torsion deformation more than 10°;

　　5. Plastic deformation of dangerous section or hook neck;

　　6. When the bushing of the plate hook is worn to 50% of the original size, the bushing should be scrapped;

　　7. When the plate hook mandrel is worn to 50% of the original size, the mandrel should be scrapped

　　Universal vertical lifting hook is suitable for petrochemical industry, mining, metallurgical chemical industry, automobile manufacturing, industrial control, ocean engineering, etc., the material is alloy steel. By quenching process treatment, the strength is greatly improved. When the section wear reaches 10% of the original size; 15% more opening than the original size; Torsion deformation exceeding 10°; Plastic deformation of dangerous section or hook neck; Should immediately stop using and contact the manufacturer, do not overload use. Our factory also has lifting sling, lifting chain lock, lifting machinery sling, steel plate pliers, lifting pliers, etc. [reasonable price] [factory direct sales] series of products for everyone to buy.

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