Guangdong Kaiping Dannai Pump Co., Ltd.
FAQ
Q
Why does the water pump make noise and vibrate during operation?
A
This may be caused by unstable installation, worn bearings, unbalanced impellers, or pipe resonance. Check the base stability and inspect bearings and impellers for wear or imbalance.
Q
What should I do if the pump does not discharge water after starting?
A
Common causes include no water in the pump body, air leakage in the inlet pipe, excessive suction height, or impeller blockage. Check for leaks and refill the pump with priming water.
Q
What are the effects of frequent start and stop cycles?
A
Frequent cycling can accelerate wear of the motor and control system. It is recommended to adjust the start-stop interval or use an automatic control system for smoother operation.
Q
What kind of liquids can a stainless steel pump handle?
A
It can handle clean water, weak acids, weak alkalis, and mildly corrosive liquids, but is not suitable for strong acids, strong alkalis, or high-viscosity fluids with solids.
Q
Why is the vacuum degree insufficient during vacuum pump operation?
A
Possible causes include worn seals, air leakage in the pipeline, or contaminated lubricating oil. Check the sealing rings, valves, and oil quality.
Q
What should be noted when using a self-priming pump for the first time?
A
Before the first use, fill the pump chamber with liquid and ensure that all suction pipes are properly sealed to prevent dry running and damage.
Q
What is the difference between a pipeline pump and a centrifugal pump?
A
A pipeline pump has a compact structure and can be installed directly in the pipeline, while a centrifugal pump requires a separate installation with piping connections.
Q
8. How can I prevent corrosion when using a seawater pump near the coast?
A
Rinse the pump regularly with fresh water, check seals, and keep the pump dry. When not in use for long periods, apply anti-rust oil or use corrosion-resistant coatings.
Q
Can a screw pump handle liquids with solids or high viscosity?
A
Yes. Screw pumps are designed to handle viscous fluids and liquids containing small particles, but they should not exceed the pump’s design limits.
Q
How often should a water pump be maintained?
A
Routine maintenance is recommended every 3–6 months, including inspection of bearings, seals, impellers, and motor operation. Adjust the interval depending on the working environment.
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Contact Us
Fax:+86-750-2259797
Add: Building 5, Nacheng Guangtai, Shagang Industrial Park, Shagang District, Shuikou Town, Kaiping City, Guangdong, China
Web: www.kppump.com.cn