Jockey Pump Selection: An Ultimate Guide 2024

Whether you are a business owner, homeowner, builder, or tenant, you may have already heard of the importance of the jockey pump in a fire protection system. But do you know how it works within the fire pump system and what it is designed for? 

Let’s discuss why this little pump is so important to the overall functionality of any fire protection system.

What is a Jockey Pump?

A jockey pump is a small pump connected to a fire protection system to maintain water pressure in the sprinklers and pipes. In other words, it maintains water pressure in a fire protection piping system.

Why Do You Need a Jockey Pump?

The primary purpose of a jockey pump is to ensure consistent water pressure in the system. It prevents the main fire pump from frequently starting and stopping, which can cause wear and tear. 

A jockey pump package includes a main pump, motor, and controller. It is usually of the multicellular type and is powered by either an electric motor or a diesel engine.

How Does a Jockey Pump Work?

As we have already discussed the jockey pump working, the jockey pump is designed to detect the water pressure of the fire network. It draws water from the main water supply and supplies it to the fire protection system.

The pump increases pressure when it detects that it is below a certain pressure level. This way, it starts and stops automatically when the set pressure is reached.

What are the Types of Jockey Pumps?

Different types of jockey pumps are available in the market these days. You can categorize them based on various criteria, including their drive mechanism, control method, and application. Here are some common types to consider for your jockey pump selection:

1. Horizontal split-case jockey pump: This type of jockey pump has a horizontally split casing, which makes it easier for maintenance and repair. 
2. Vertical inline jockey pump: It's a space-saving pump design in which the pump and motor are arranged in a vertical inline configuration.
3. Constant speed jockey pump: These pumps operate at a constant speed and are designed to maintain steady water pressure in the fire protection system. 
4. Variable speed jockey pump: These pumps have variable speed controls that allow them to adjust their speed based on the system's demand. 
5. Pressure switch-controlled jockey pump: These jockey pumps are controlled by pressure switches that turn the pump on or off based on pressure levels. 
6. Packaged fire pump systems: In this case, jockey pumps are supplied as part of a packaged system. It includes the pump, controller, and other components.

How to Choose the Right Jockey Pump? 

The jockey pump selection depends on factors such as the specific requirements of the fire protection system, available power sources, space constraints, and desired control features. If you’re looking to buy a jockey pump, these are some crucial factors to consider before making your purchase:

• Flow rate: Make sure you choose a jockey pump with a flow rate that matches the flow rate of the main fire pump. It has to be at least 10% of the main pump’s flow rate and not more than 20%. Otherwise, it can damage the sprinkler system.
• Pressure rating: The pressure rating of the jockey pump should be higher than the system’s static pressure and lower than the main pump’s pressure. 
• Horsepower: The jockey pump’s motor horsepower needs to be appropriate for the system’s size and flow rate. 
• Material: The material used in the jockey pump must be suitable for the system’s environment. For example, the pump’s material should be corrosion-resistant if the system runs in a corrosive environment. 
• Manufacturer: When choosing a jockey pump, the reputation of the pump manufacturer matters. So, choose a reliable pump manufacturer with a history of producing reliable and durable pumps. 
• Maintenance: Finally, consider the maintenance and support available for the pump. Choose a jockey pump that is easy to maintain and repair with readily available replacement parts. 

Buying a jockey pump is a significant investment, so it’s essential to consider these factors in the jockey pump selection. Choose the right jockey pump for your application that meets your unique needs. Make sure it is tested to meet the fire suppression requirements before it can be shipped. There must be a certified factory test curve and fire pump flow chart to ensure quality pump operation.

For more information, don’t hesitate to contact us!