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About This Item


Full Description

Volume B30.21 includes provisions that apply to the construction, installation, operation, inspection, and maintenance of ratchet and pawl and friction brake type lever chain, rope, and web strap hoists used for lifting, pulling, and tensioning applications (see Figs. 21-0.1-1, 21-0.1-2, and 21-0.1-3).

The requirements for a lever hoist that is used for a special purpose, such as lifting personnel or drawing both the load and the hoist up or down the load chain, rope, or web strap when the lever hoist is attached to the load, and a specially insulated hoist used for handling energized electrical power lines are not included in this Volume.

Document History

  1. ASME B30.21-2014


    Lever Hoists

    • Most Recent
  2. ASME B30.21-2005

    Manually Lever Operated Hoists

    • Historical Version
  3. ASME B30.21-1999

    Manually Lever Operated Hoists

    • Historical Version