购买二手Roots Fans时需要注意什么呢？二手罗茨风机可能存在的问题是什么呢？罗茨风机小编带您了解一下。
1、Model mismatch
Used Roots fan in the use of many years, in the air volume and pressure there will be a certain error, and fan labeling above the labeling information may have a certain error, this aspect is unavoidable, the use of second-hand Roots fan need to face the risk of parameter inaccuracy.
2、Oil leakage
Why will the oil leakage of a separate article to emphasize it? Many Roots fan manufacturers in the oil leakage of research and development is not in place, the production of equipment, many in the use of a few years after the emergence of oil leakage, used Roots fan oil leakage will be more frequent. Lubricating oil can protect the gears of the fan from damage, oil leakage is serious, the wear and tear of the gears will increase, exacerbating the severity of the failure.
3. Higher failure rate
Used Roots fan in the case of long-term idling, extremely easy to rust, long-term operation will be better, long-term idling of the Roots fan, the internal rust will inevitably appear, after purchasing back, but also need to clean up the internal. Failure of the operation will also occur from time to time, increasing our maintenance costs.
4. High time costs
In the case of limited capital budget, we use used Roots fan, need to carry out regular inspection of Roots fan, check the frequency is higher, new fan 3 days a check, used Roots fan need a day a check, will consume more of our time.