ASME B30.20 requires you to inspect your plate clamps. A faulty clamp could cause a lot of damage, injury, or even death.

We’re back at Caldwell Lifting Solutions Headquarters in Rockford, Illinoise to find out what rejection criteria we need to look for when inspecting a plate clamp. Caldwell Engineering manager Dale Kelly shows us how to perform the inspection.


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In this video:

0:00 – Intro

0:45 – What are the ASME Standards for lifting clamps?

1:08 – What inspections are required for lifting clamps?

1:28 – How often should clamps be inspected?

2:07 – What rejection criteria should be looked for when inspecting a lifting clamp?

3:02 – How a lifting clamp works – parts and internal mechanisms

4:02 – How to perform a lifting clamp inspection

5:38 – Inspecting a lifting clamp removed from service

7:35 – Examples of rejection criteria for lifting clamps

11:00 – Can a lifting clamp be repaired?

11:36 – How to get more information

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