The scope of Application: suitable for gas and dust hazardous areas, in zones 1 and 2, 21 and 22 hazardous areasProduct Characteristic: Rugged, compact and lightweight all steel construction adaptable for any environmentGrade 80 calibrated corrosion-resistant load chain Automatic multi disc brake fully enclosed for better corrosion resistanceDrain holes in block prevent deterioration due to trapped water Suitable for explosive environments per ATEX Zone 2 standard (ATEX Zone 1 package (optional)overload protection device ensures safe operation upper and lower limit switches integrated in hoist body provide better protectionVirtually maintenance-free gear-type air motor with minimal moving parts Variable speed for precision spotting control Ball bearing mounted bottom hook for easier, smoother turning under load