Proof chain hoists scrapped conditions

No matter what the product has a certain life, proof  Chain Block   is no exception, as proof hoist field of use and the environment particularity, it should be scrapped for each user to keep abreast of standards in order to avoid security risks, the following details for you Introduction:


1 explosion-proof  manual hoist s hook:
①, section wear more than 10% of nominal size;
②, hoist hook cracks;
③, dangerous section or neck of the plastic deformation;
④, hook mouth size deformation increases more than 15% of the nominal size;
⑤, torsional deformation 超过 10 °.
2, the proof chain hoists  load chain  the following conditions must scrap:
①, chain wear ring diameter than the nominal size of 10%;
②, 11 links elongation of more than 3% from the single link from the elongation of more than 5%;
③, chain link cracks or other harmful defects hoists;