Two main types of jet pumps

Jet pumps are a type of fluid propulsion device commonly used for pumping water in residential, agricultural, and industrial applications. They operate based on the principle of fluid entrainment, where a high-speed jet of fluid (usually water) is used to create a low-pressure zone that draws in and lifts another fluid (also water) from a lower level. Jet pumps are versatile and can be employed for various purposes, including well water pumping and boosting water pressure. There are two main types of jet pumps: shallow well jet pumps and deep well (or deep-set) jet pumps.

Shallow Well Jet Pumps:

1. Design:

  - Shallow well jet pumps are typically designed for applications where the water source is relatively close to the surface, such as in shallow wells or reservoirs.

2. Jet Assembly:

  - These pumps have a jet assembly mounted in the pump housing, which includes a nozzle and venturi. The nozzle accelerates the water to create a high-speed jet, and the venturi creates a low-pressure area that draws water from the well.

3. Location:

  - Shallow well jet pumps are installed above ground, and the jet assembly is submerged in the water source. They are commonly used in applications where the well depth is 25 feet or less.

4. Application:

  - Suitable for residential use, small farms, and other settings where the water source is relatively shallow.

Deep Well (Deep-Set) Jet Pumps:

1. Design:

  - Deep well jet pumps are designed for deeper wells where the water level is below 25 feet. They use a dual pipe system that includes both a suction pipe and a pressure pipe.

2. Jet Assembly:

  - Similar to shallow well pumps, deep well jet pumps have a jet assembly that creates a high-speed jet to lift water from the well. However, the jet assembly is located down the well.

3. Location:

  - Deep well jet pumps are typically installed above ground, and the jet assembly is submerged in the well. They are suitable for well depths ranging from 25 to 110 feet.

4. Application:

  - Widely used in residential, agricultural, and industrial settings where deeper wells are the water source.

Key Characteristics of Jet Pumps:

- Suction Lift: Jet pumps are capable of lifting water from a certain depth (suction lift) due to the high-speed jet's ability to create a low-pressure zone.

- Simple Design: Jet pumps are known for their relatively simple design, making them easy to install and maintain.

- Versatility: They can be used for a variety of water pumping applications, including supplying water to households, farms, and irrigation systems.

- Limitations: Jet pumps may have limitations in terms of efficiency and depth capability compared to other types of pumps like submersible pumps, especially in deep well applications.

When selecting a jet pump, factors such as well depth, required flow rate, and pressure, as well as power source compatibility, should be considered. It's important to follow the manufacturer's guidelines for installation, maintenance, and operation to ensure the pump's optimal performance and longevity.