Glossary


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1) Air chain hoist

A pneumatically driven machinery unit, utilizing chain as its lifting medium, and used for the lifting and lowering of a freely suspended (unguided)load.  Often used in environments that require electric spark avoidance due to a potentially explosive atmosphere.

2) Chain hoist

Generally, any hoist which utilizes link or roller chain as its lifting medium.  Chain hoists can be manually operated  (hand or lever), pneumatically driven, or electrically driven.