SGK250 Fully Automatic Belling Machine is earmarked for PVC pipes with belling plain type(Z-type)and rubber ring type(R-type).It is jointly used with extruder line,and is used as a single machine as well.It is highly automatic and easy to operate with stable and reliable performance. The belling part of pipes which accords to the standards of upvc 10002.1-1996 is smooth and does not have obvious step, achieving the national standard.