SGK-400 automatic belling machine equipped with haul-off device and the program interface, it can be used with the mainframe,also can be usedalone. When expanding,pipe moves smoothly and accurately but not damnify. This type machine adopts infrared heating methods,and accurate orifice size molding. The control panel don't have the conversion switch to control over the type of solvent for expansion socket (vertical) and ringfor flexibility expansion socket (R).Expanding way is very easy choice and technics adaptability is strong, the main electrical control components
are imported, system performance is stable and reliable.