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  1. 30 de ago. de 2017 · Learn what a below-the-hook lifting device is, how it attaches to a crane or other lifting apparatus, and what types of devices are available for different loading applications. Find out how a custom-engineered lifting device can improve the safety and efficiency of your overhead lifting procedures.

  2. 30 de nov. de 2021 · Learn about the latest edition of ASME B30.20, which covers the construction, installation, inspection, testing, maintenance, and operation of various types of below-the-hook lifting devices. Find out the changes from the previous edition and how to buy or download the standard.

  3. Description. Volume B30.20 includes provisions that apply to the marking, construction, installation, inspection, testing, maintenance, and operation of below-the-hook lifting devices, other than components addressed by other ASME B30 volumes or other standards, used for attaching loads to a hoist.

  4. 5 de dic. de 2023 · Learn about the latest revision of the standard for the design of below-the-hook lifting devices, such as slings, hooks, and magnets. Find out the changes, updates, and criteria from previous editions and how to purchase the document.

  5. Below-the-Hook Lifting Devices Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings AN AMERICAN NATIONAL STANDARD ASME B30.20-2018 (Revision of ASME B30.20-2013)

  6. 16 de mar. de 2018 · Spreader bars, lifting beams, and other below-the-hook lifting devices are classified based on the frequency and capacity of lifts that are required of the device. In the latest revision of BTH-1 (2017), there are three design categories, categories A, B and C, as well as five different services classes, service class 0 through 5.

  7. ASME offers comprehensive solutions for structural and mechanical lifting devices, vacuum lifting devices, magnets, and grapples. Learn about the key changes, requirements, and benefits of these standards for engineers and safety professionals worldwide.