Description Overview Inventory number: E-2884 Spring heat treating oven for sale Model R Used for tempering and shape-setting springs for mattresses and furniture By selecting the optimum tempering and interval time, this machine can improve the mechanic properties of the wire Specifications Spring height: 100-200 mm Diameter of applicable wire: 3.5 mm Operating speed: 20-55 pcs/min Output voltage: level 1 - 18 V; level 2 - 22 V Output power: 8 kVA Images