Corrugator Mulriple Pre-Heater Mulriple Pre-Heater A.Diameter of pre-heater roller: 1000mm available discretionarily. B. Expiry width: 2500mm C.Electromotion adjust the dimension of per-heater. And the range of adjustment: 60-220° D.Each roller surface are treated with exactitude milling and plating rigid chrome,glabrous and durable. E. Adopt butterfly seal or plat design. Insure reel paper is heated averagely.