Explosion-proof ST Ex chain hoists rank among the safest technology available on the market for the chemical, petrochemical and pharmaceutical industries, the food processing industry as well as the power supply, shipbuilding, offshore and natural gas liquefaction (LNG) industries. The ST Ex chain hoist programme is based on the modular ST chain hoist programme. The safe working load range for use in Zone 1 and Zone 21 is from 250 kg to 6,300 kg, and from 125 kg to 6,300 kg for use in Zone 22. All components are made by us and add their part to full high-quality explosion protection. The strict ATEX directives and IECEx regulations for mechanical and electrical explosion protection are naturally fulfilled.