Where are solar water pumps of different sizes suitable respectively

Deep well Solar Water Pumps with DC stainless steel impellers of different sizes, due to their structural and performance characteristics, are suitable for a variety of different application scenarios. The following is an analysis of the applicable scenarios classified by size:

3-inch DC stainless steel impeller deep well solar water pump
Applicable scenarios: Pumps of this size are typically suitable for small households, small farms or irrigation systems. They are suitable for pumping water from shallower Wells or for use in situations where lower flow rates and heads are required. For example, a small family might need to draw a small amount of water from a shallow well for daily use, or a small farm might need to irrigate a small area of crops.
Features: 3-inch water pumps usually have a smaller volume and lighter weight, making them easy to install and maintain. Their flow rate and head are relatively low, but they are sufficient to meet the demands of small-scale applications.

4-inch DC stainless steel impeller deep well solar water pump
Applicable scenarios: The 4-inch water pump is suitable for medium-sized households, medium-sized farms or irrigation systems. They can extract more water from deeper Wells or be used in situations where a moderate flow rate and head are required. For instance, a medium-sized farm might need to draw a large amount of water from a deep well for irrigation, or a community might need to draw water from a water source for public water supply.
Features: The 4-inch water pump has a greater increase in flow and head than the 3-inch one, but still maintains a relatively small volume and weight, making it suitable for medium-scale applications.

6-inch DC stainless steel impeller deep well solar water pump
Applicable scenarios: The 6-inch water pump is an ideal choice for large-scale applications, such as large farms, industrial water use or large irrigation systems. They can extract a large amount of water from very deep Wells or be used in situations that require high flow and high head. For example, a large farm might need to draw a large amount of water from a very deep well for large-scale irrigation, or an industrial facility might need to draw a large amount of water from a water source for production.
Features: 6-inch water pumps have the maximum flow and head capacity, but they are also relatively large in size and weight, requiring more powerful installation and maintenance support.

Summary
When choosing the appropriate DC stainless steel impeller deep well solar water pump, it is necessary to make a decision based on the specific usage scenario and requirements. A 3-inch water pump is suitable for small applications, a 4-inch one for medium applications, and a 6-inch one for large applications. At the same time, factors such as the depth of the well, the required flow rate and head also need to be considered to ensure that the selected water pump can meet the actual usage requirements.