Details SWG series manual hydraulic pipe bending machine is a lightweight tool, set the speed piston pump filter, DWG electric hydraulic pipe bender is a kind of three-phase power-driven, relying on hydraulic cold bending hydraulic tools jobs, with advanced design and reasonable, compact structure, simple operation, easy maintenance, etc., for construction, chemical, plumbing, oil, coal and other industries to provide the ideal bending tools. Second, the technical parameters Model SWG-2A SWG-3B SWG-4D DWG-2A DWG-3B DWG-4D Item Unit Maximum working pressure MPa 44 59 62 44 59 62 maximum working load KN 88 196 206 88 196 206 Maximum working stroke mm 250 320,420,250,320,420 bending capacity outside diameter mm? 21.3-60? 21.3-88.5? 21.3-108? 21.3-60? 21.3-88.5? 21.3-108 mm 2.75-4.5 2.75-4.75 2.75-5 2.75-4.5 wall thickness 2.75-4.75 2.75-5 tank capacity L 1.2 1.8 3 Weight Kg 59 124 196 59 124 245 angle bend Rad л / 2 <α <л л / 2 <α <л л / 2 <α <л л / 2 <α <л л / 2 <α <л л / 2 <α <л hydraulic oil grades No. N15 N15 N15 N15 N15 N15 maximum operating force W <490 <490 <490 <490 <490 <490