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Current position: ⎝⎛和丰娱乐⎞⎠ of Xizhiquan > News > News

What is the serious leak of the mechanical seal of the fire pump? Causes and measures to tell you together

Click: 2384 Date: 2018-08-18 Select a font size: Small Medium
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What is the serious leak of the mechanical seal of the fire pump? Causes and measures to tell you together

Mr. Li is the agent of Shanghai Xizhiquan Pump & Valve Co., Ltd., and has cooperated for many years. Originally, such a fire pump sales person is theoretically very permeable to fire pumps. This is not the case. Recently, my company's business staff went to Mr. Li's shop and, in the name of a customer, came to inquire about the leakage of the mechanical seal of the fire pump. Mr. Li introduced it carefully and taught him the corresponding countermeasures. Although the points mentioned by Mr. Li are very accurate, they are not comprehensive. It can be seen that in the fire pump market, sellers do not necessarily really understand fire pumps. Then, regarding the leak of the mechanical seal of the fire pump, the editor of Xi Zhiquan will make up for it.

What is the serious leak of the mechanical seal of the fire pump ? The reason and measures tell you!

固定螺钉松动,使弹簧失去作用。 Cause 1 : Loose fixing screws make the spring ineffective.

Action: Tighten the screws or readjust the spring.

杂质、异物或介质结晶的存在,影响了动环的轴向移动。 Cause 2 : The presence of impurities, foreign matter, or medium crystals affects the axial movement of the moving ring.

Measures: Eliminate impurities, foreign matter and crystals, it is recommended to clean the sealing element. After that, regular impurity testing is required.

弹簧压力不足,或失去弹性。 Cause 3 : Insufficient spring pressure or loss of elasticity.

Action: Readjust the spring compression or change the spring.

静环装配歪斜。 Cause 4 : The static ring assembly is skewed.

Measures: Reinstall static ring for fire pump.

动环或静环端面腐蚀、磨损或刮伤。 Cause 5 : The end face of the moving ring or static ring is corroded, worn or scratched.

Measures: Repair the moving ring and static ring.

轴套加工精度和光洁度不够,影响了动环的轴向移动。 Cause 6 : The machining accuracy and finish of the sleeve are insufficient, which affects the axial movement of the moving ring.

Measures: It is recommended to replace the shaft sleeve, and the precision is the standard.

动环密封圈装配斜卷或腐蚀变形。 Cause 7 : The seal of the moving ring is obliquely rolled or corroded.

Action: Reinstall or replace the moving ring seal for fire pump.

The above is the possible cause of the complete mechanical seal leakage of the fire pump and the corresponding repair measures. Welcome to use! Thank you for your interest in Shanghai Xizhiquan Pump Valve Co., Ltd.!

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