... diameter:Max.diameter1800mmCoil weight:Max.10 Tons1.3.3 Furnace type:Muff tube horizontal continuous annealing furnace1.3.4 ... 5 Annual production capacity :20000T/year--23000T/year2..The furnace structure:It include sealing device,heating section,slow cooling section ... ,cooling section,output sealing device and furnace roller etc.Intel sealing deviceUpper and down steel plate press ...