开封巿正兴热处理厂（0378－3923663或）生产的RJ2系列井式回火电阻炉用途 RJ2系列井式回火电阻炉，系周期作业式电炉。额定功率25-75千瓦，额定温度650℃。供一般钢制品另件回火及其他合金另件热处理用。
| 电阻回火系列 (RJ2 650 Tempering series) | |||||||||||||
| 型号 | 额定功率 | 额定电压 | 额定温度 | 相数 | 炉膛尺寸 | 频率 | 加热区 | 空炉损耗功率 | 空炉升温时间 | 联接方式 | *大装载量 | 设备重量 | |
| Model | Rated Power | Rated Voltage | Rated Temp | Phase | Inside Diam | Freq | Heating Zone | Power Consumption at no Load | Heating-up Time at no Load | Connected Method | Max Charge | Gross Weight | |
| kW | V | ℃ | mm | Hz | Kw | h | kg | t | |||||
| RJ2-25-6 | 25 | 380 | 650 | 2 | Φ400×500 | 50 | 1 | ≤5 | ≤1.2 | series circuit | 150 | 1.4 | |
| RJ2-35-6 | 35 | 380 | 650 | 3 | Φ500×650 | 50 | 1 | ≤7 | ≤1.2 | Y | 280 | 1.7 | |
| RJ2-55-6 | 55 | 380 | 650 | 3 | Φ700×900 | 50 | 1 | ≤12 | ≤2.0 | △ | 400 | 3 | |
| RJ2-75-6 | 75 | 380 | 650 | 3 | Φ950×1200 | 50 | 1 | ≤14 | ≤2.5 | * | 550 | 3.8 | |