Model 660UST1100UST1480USTHearth Size8m×0.6m×0.4m 12m×0.8m×0.55m 12m×0.8m×0.6m Heating MethodDiesel Oil/resistance wire heating, chain derive by constant temperature cycloidal motor.Mode of Heat TransferpowerFan-Hot Air Circulation2 fans, power are 7.5kw/2.2kwFan-Hot Air Circulation 2 fans, power are11kw/2.2kwFan-Hot Air Circulation2 fans, power are 11kw/7.5kwCombustion /Burner300,000Kcal 400,000Kcal 400,000Kcal Resistance WirePower: 50kwPower: 60kwPower: 80kwHeating HearthTwo hearthsOne hearth Billet SizeΦ100-Φ125 Φ135-Φ150 Φ150-Φ180 Quantities of BilletsΦ100/200pcs Φ135/177pcs Φ150/160pcs Heating-up Time 3hoursTemperature TestDifference in temperature±5(Testing when heating without billets)Working Temperature 680Appearance Temperature-up≤35Appearance RequiredAppearance adopt 2 mm steel plate, of surface smooth, nice joining, paint with high temperature resistance antirust painting and metallic paint