October 11th, 2026
Hand Chain Hoist CH-B Type: The Complete Guide to Manual Chain Blocks
In heavy petrochemical refineries, shipyard engine rooms, confined infrastructure vaults, and explosive ATEX zones, powered lifting hoists are often unusable due to explosive gas risks, confined headroom, or lack of electrical infrastructure. In these harsh rigging environments, manual chain blocks must deliver maximum mechanical lifting leverage with minimal operator hand-chain effort, zero mechanical slip, and complete structural reliability.