Drive Mode: Electric, Pneumatic Capacity(I.D.): 13-1470mm Wall Thickness: 15/20/75mm Certificate: ISO9001:2008 / SGS / CE The machine adopts "Y" shape struction design, minimal radial space, light weight, easy to carry, safe use. Driven Type: Electric motor Patent No.: ZL200430081797. X ZL200430081800.8 ZL200420091374.0 Electric Model: Adopts high-performation carbon brush motor to drive, Voltage ...