Steel pipe hook is applicable to chain, steel wire connection, used for hoisting

1, human driver lifting mechanism with hook, at 1.5 times rated load load test for testing.

2, driving the lifting mechanism with hook to 2 times rated load load test for testing.

3, hook discharge load test, should not have any defects and deformation.

4, qualified hook should be printing marks in low stress area of hook, including the rated capacity, 

factory standard or name, inspection marks, production Numbers, etc.

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