Aktivní norma | Vydána: 21.04.2026

ASME B30.21:2025

Lever Hoists: Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings

Dostupné jazyky: Anglicky

Dostupné provedení: Zabezpečené PDF, Tištěné

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Podrobné informace

Označení: ASME B30.21:2025

Datum vydání: 21.04.2026

Stran: 37

Země: Americká technická norma

Kde koupit?

Můžete zakoupit na eshop.normservis.cz

Anotace

B30.21 applies 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. 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. See more

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