?? 黄色一级免费,污污的视频在线观看,岛国av大片

欧美中文字幕-麻豆入口-在线观看一级片-国语对白对话在线观看-久久久性-91伊人网-免费在线观看黄色片-国产一级二级视频-在线中文字幕观看-91官网在线观看-成人亚洲精品777777ww-色中文-av看片资源-亚洲最大成人在线-懂色av一区二区三区蜜臀-20日本xxxxxxxxx46-诱夫1v1高h-国产精品久久久久久久久免费相片-av一级免费-少妇姐姐

Back to top

首頁 ? Factory News ? How do Roots fans increase pressure?

How do Roots fans increase pressure?

Roots FansIn the process of using the phenomenon of insufficient pressure, then how to increase the pressure of the Roots fan? The following Roots fan editorial take you to understand.
I. Replace the bearings and gears of the blower and readjust the impeller clearance.
Second, under the premise of the motor rated current allows, increase the speed of the fan, fan outlet caliber unchanged, increase the fan's air volume, will also increase the pressure of the fan.
Third, increase the motor power of the blower, generally speaking the blower itself is not active bad, if you increase the speed of the blower to achieve an increase in air volume and pressure, are not enough current value of the motor, it is very easy to burn the motor, so the power of the motor to increase, you can improve the speed of the blower, it will also be able to improve the pressure of the blower.

13755181118