| 电加热器成品应符合的要求 |
| 添加时间：2020/8/21 15:12:20 浏览次数： |
| 电加热器成品应符合下列要求: The finished product of electric heater shall meet the following requirements: ① 电加热器的额定工作电压为220±20V。直流100V，低压50V; ① The rated working voltage of electric heater is 220 ± 20V. DC 100V, low voltage 50V; ② 电加热器插入长度在1m以内的，其中心线直线度不大于?0.3mm;插入长度在1-2m的，其中心线直线度不大于?0.4mm; ② If the insertion length of electric heater is less than 1m, the straightness of its center line shall not be greater than? 0.3mm; if the insertion length is 1-2m, the straightness of the center line shall not be greater than? 0.4mm; ③ 插入部分直径偏差为-0.20mm/-0.50mm; ③ The diameter deviation of insertion part is -0.20 mm / - 0.50 mm; ④ 插入部分长度偏差为±5mm，发热长度偏差为±5mm，底部冷端长度为25-30mm; ④ The length deviation of insertion part is ± 5mm, the deviation of heating length is ± 5mm, and the length of bottom cold end is 25-30mm; ⑤ 电加热器在使用时要求发热均匀，不允许有局部过热现象。 ⑤ Electric heater is required to heat evenly in use, and local overheating is not allowed. |
| 上一页 没有了 |
| 下一页 不锈钢槽体加热器简介 |
Copyright © 技术支持：遨游网络