故障Troubles

產(chǎn)生原因Causes

排除方法Remedies

1．進水管或密封處漏氣。

Air leakage exists in the inlet

pipe or in the sealing part．

1．檢查進水管，排除泄漏

及排清進水管氣體。

Repair the inlet pipe，let the

inside air out and make sure

no moil leakage．

水泵不出水

No water is

2．水泵反轉(zhuǎn)。

Revolution direction reversed．

2．檢查糾正。

Check and correct it．

discharged

3．進水管太長。

Length ofinlet pipe is too

long．

3．縮短進水管。

Shorten the inlet pipe．

4．吸程過高。

Suction lift is too high．

4．降低吸程。

Lower the suction lift．

1．濾網(wǎng)或葉輪堵塞。

Filter gauze valve or vane

wheel is blocked．

1．檢查排除堵塞物。

Clear the blockage．

2．密封環(huán)處磨損嚴重。

Serious wear and tear of the

sealing ring．

2．更換密封環(huán)。

Replace the sealing ring．

出水量不足

Quantity offlow

3．揚程太高。

The lift is too high．

3．降低揚程。

Lower the lift．

is not enough

4．進水管路漏氣。

Air leakage exists in the inlet

plpe．

4．檢修進水管。

Repair the inlet pipe．

5．吸程過高，局部產(chǎn)生氣蝕。

Suction lift is to high．Local

Vapour etching appears

5．降低泵安裝高度或縮

短進水管路。

Lower the installation site

ofthe pump to decrease the

inlet obstruction．