Ring making machine, Model: DQ1000K Input voltage: 380V (3-phase) Power freq.: 50Hz/60Hz Rated power: 2.2KVA Ring diameter: less than 500mm Wire thickness: 2.8-6mm Ring diameter: 90-400mm Cooling method: water cooling Features Hydraulic motor transmission, input power only 2.2KVA, smooth, fast and accurate loading, forward or reverse rotation Electromagnetic oil valve, high-end oil pump with custom made oil disk provides stable oil pressure and variable speed Capable of saving up to 15 parameters, works easily with different ring radiuses and arcs Digital display, good for accurate and fast control 6-digit counter, easy to manage order quantity Reserved connector for extended functions Note: if input voltage is not 380V, a 3KVA 3-phase transformer is needed.