The pipe polishingmachine can polish all kinds of metal pipe's surface, such as round pipes, and rectangular pipes.1) Quantity of polishing head: 6-heads, 8-head, 10heads2) Diameter range of polished pipe: 50.8 114mm3) Max. length of polished steel: 6m, can also produce according to your requirements4) Charge speed of stainless steel pipe: 1 20m/min5) Diameter of main polishing head's axis: 25.4mm (36mm or 32mm available)6) Motor power of polishing head: 5.5kW7) Charge motor power: 4kW8) Rotational speed of polishing head: 2,400r/min9) Outside diameter of accessory rag wheel: 320mm