Model 型号 Diameter  加工管径       Tthickness 壁厚
ISD80           10-80mm                       25/50mm
ISD150         65-150mm                      25/50mm
ISD300        150-300mm                     25/50mm
ISD450        300-450mm                     25/50mm
ISD600        450-600mm                     25/50mm
ISD750        600-750mm                     25/50mm
ISD900        750-900mm                     25/50mm
ISD1050       900-1050mm                  25/50mm
ISD1160       980-1160mm                  25/50mm
ISD1240       1040-1240mm                25/50mm
ISD1300       1100-1300mm                25/50mm
ISD1500       1300-1500mm                25/50mm
ISD1700       1500-1700mm                25/50mm
ISD1910       1700-1910mm                25/50mm
ISD2100       1900-2100mm                25/50mm
ISD2300       2100-2300mm                25/50mm