CQB Series Heavy Duty Stainless Steel Magnetic Pump

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FAQ

1.What are the materials of stainless steel magnetic pumps?

Stainless steel magnetic pumps typically use the following types of stainless steel:

1. 304 Stainless Steel: Suitable for general environments with good corrosion resistance, commonly used for handling water and lightly corrosive liquids.

2. 316 Stainless Steel: Offers better corrosion resistance, especially for handling seawater, chemicals, and acidic liquids, commonly used in the chemical and pharmaceutical industries.

3. 2205 Duplex Stainless Steel: Provides higher strength and corrosion resistance, suitable for more demanding environments such as marine applications and high-chloride conditions.

The choice of these materials depends on the specific application requirements and the nature of the fluids being handled.

2.What is a magnetic pump?

A magnetic pump is a type of pump that uses a magnetic drive to transfer fluids. It consists of an external motor that drives a magnet, which is connected to an impeller through a sealed casing. This design eliminates the need for mechanical seals, reducing the risk of leaks and making it ideal for handling corrosive or hazardous liquids. Magnetic pumps are commonly used in chemical processing, water treatment, and applications where contamination must be avoided.

3.Are Magnetic Pumps Self-Priming?

Magnetic pumps are generally not self-priming. They require the pump casing to be filled with liquid before starting to operate. If air is present in the pump, it can prevent proper fluid movement. For applications requiring self-priming capabilities, additional measures, such as using a separate self-priming pump or a different pump design, may be necessary.

4.Why can't the magnetic pump run dry?

The primary reason that magnetic pumps cannot run dry is that they rely on the liquid medium for cooling and lubrication. In normal operating conditions, the liquid not only provides power but also reduces friction and heat generation between the internal components of the pump. If the pump operates without liquid, the internal components can become damaged due to overheating, especially the magnetic coupling and other critical parts, which may experience significant wear or failure. Additionally, the lack of liquid can cause the impeller to make direct contact with the pump casing, further exacerbating wear and potentially leading to rapid equipment failure. Therefore, to ensure the safe and effective operation of magnetic pumps, it is essential to avoid running them in a dry state.

5.What is the Disadvantage of a Magnetic Pump?

The main disadvantage of a magnetic pump is that it is generally not self-priming, requiring the pump to be filled with liquid before operation. Additionally, magnetic pumps can be more expensive than traditional pumps and may have limitations in handling highly viscous fluids or high flow rates.