... 2mm 2. diameter: 100~1000mm 3. hydraulic type 4. economic hydraulic elbow making machine,gorelocker,spiral duct machinery,is for making duct ... , max. thickness 1.2mm, max dia 1000mm.Hydraulic elbow making machine,gore locker,spiral tube former 3.1 Max. ... 380V, 5KW, 3 Phase3.6 Dimension: 1400mm x 800mm x 900mm3.7 Weight: 750kg spiral duct machinery, gorelocker, hdyraulic elbow making machine. hydraulic ...