Historical
ANSI/ASME HST-5-1999
Air Chain Hoists
Establishes performance requirements for air-powered chain hoists for vertical lifting service involving material handling of freely suspended (unguided) loads using load chain of the roller or welded link types with one of the following types of suspension: (a) lug; (b) hook or clevis; (c) trolley.
American Society of Mechanical Engineers [asme]