Exploring the Benefits and Functions of Pressure Tanks on Water Pumps

By storing water under pressure, pressure tanks provide a steady flow of water without the need for the pump to kick in every time a faucet is turned on. This not only eliminates the disruptive water hammer effect but also allows the pump to run less frequently, resulting in significant energy savings.

Understanding the Function of Pressure Tanks

Pressure tanks play a crucial role in the operation of water pumps, serving as a vital component that ensures a consistent and reliable water supply. These tanks are designed to store water under pressure, allowing the system to maintain a steady water pressure even when the pump is not actively running.

The primary function of a pressure tank is to act as a buffer between the water pump and the plumbing system. When the pump is turned on, it fills the pressure tank with water, compressing the air inside. This compressed air creates a cushion of pressure that is then released as water is drawn from the system. This process helps to prevent water hammer, a phenomenon where sudden changes in water pressure can cause damage to pipes and fixtures.

By storing water under pressure, pressure tanks also help to reduce the frequency with which the pump needs to turn on and off. This is because the stored water can be drawn upon during periods of high demand, reducing the need for the pump to constantly cycle on and off. This not only extends the lifespan of the pump but also results in significant energy savings, as the pump runs less often.

Benefits of Pressure Tanks on Water Pumps

One of the primary benefits of pressure tanks on water pumps is their ability to prevent water hammer. Water hammer occurs when the flow of water in a plumbing system is suddenly stopped or redirected, causing a rapid increase in pressure that can lead to damage to pipes and fixtures. Pressure tanks help to absorb these sudden pressure changes, effectively dampening the water hammer effect and protecting the system.

In addition to preventing water hammer, pressure tanks also help to reduce the frequency of pump cycling. Pump cycling occurs when the pump turns on and off repeatedly in response to changes in water demand. This constant cycling can be hard on the pump, leading to premature wear and tear. By storing water under pressure, pressure tanks can help to smooth out these demand fluctuations, allowing the pump to run less often and for longer periods of time.

Another significant benefit of pressure tanks is their ability to improve the overall efficiency of the water pump system. By reducing the frequency of pump cycling and the occurrence of water hammer, pressure tanks can help to lower the energy consumption of the pump. This can result in significant cost savings over time, as the pump uses less electricity to maintain the desired water pressure.

Our Range of GWS Pressure Tanks

Pressure Wave

• Single diaphragm design
• ISO: 9001 approved facility, CE approved
• Patented stainless steel water connection
• Virgin polypropylene liner
• Two part polyurethane, epoxy primed pain finish
• Leak free, o-ring sealed air valve cap
• Comprehensive testing
• No maintenance

ASME / AS1210 Heavy Duty

• 60 to 3,000 liters
• 10 bar pressure rating
• Interchangeable membrane design
• ISO9001, ISO14001, ISO45001 approved facility
• Radiographically tested (RT) weld joints
• Manufacturer’s Data Report (MDR)
• Permanent data record maintained for each vessel
• Certified to AS1210 and ASME boiler and pressure section VIII division 1 code

Superflow

• 8 to 10,000 liters 
• 10, 16 and 25 bar pressure rating
• Almond RAL 1013
• Built-in pressure gauge (Models SF100-SF10,000)
• ISO: 9001 approved facility, CE approved

(Ultra) Max

• Suitable for many high-pressure applications
• Super thick steel construction
• Patented stainless steel water connection
• Virgin polypropylene liner
• Two part polyurethane, epoxy primed pain finish
• Leak free, o-ring sealed air valve cap
• Comprehensive testing
• No maintenance
• Single diaphragm design
• Available in 16 bar and 25 bar maximum pressure

Different Types of Pressure Tanks

There are several different types of pressure tanks available on the market, each with its own unique features and benefits. The most common types of pressure tanks include:

Diaphragm Pressure Tanks: These tanks feature a flexible diaphragm that separates the water from the air chamber. As water is drawn from the system, the diaphragm flexes, allowing the air pressure to push the water out. Diaphragm tanks are known for their durability and long lifespan.

Bladder Pressure Tanks: Bladder tanks are similar to diaphragm tanks, but instead of a flexible diaphragm, they have a removable rubber bladder that separates the water from the air chamber. Bladder tanks are often more affordable than diaphragm tanks and are relatively easy to maintain.

Steel Pressure Tanks: Steel pressure tanks are the traditional option, featuring a steel shell that houses the water and air chambers. These tanks are typically more affordable than their diaphragm and bladder counterparts, but they may require more maintenance over time.

Composite Pressure Tanks: Composite pressure tanks are a newer technology that combines the benefits of steel and bladder tanks. These tanks feature a reinforced composite shell that is designed to be lightweight, durable, and corrosion-resistant.

The choice of pressure tank will depend on factors such as the size of the water pump system, the water usage patterns, and the overall budget. Each type of tank has its own advantages and disadvantages, so it's important to carefully consider the specific needs of the system before making a selection.

Factors to Consider When Choosing a Pressure Tank

When selecting a pressure tank for your water pump system, there are several important factors to consider:

Tank Size: The size of the pressure tank should be appropriate for the size of the water pump system and the expected water usage. Choosing a tank that is too small can lead to frequent pump cycling, while a tank that is too large may be inefficient and costly.

Pre-Charge Pressure: The pre-charge pressure of the tank, which is the air pressure in the tank when it is empty, is an important consideration. The pre-charge pressure should be set to the manufacturer's recommendations to ensure optimal performance.

Material and Construction: The material and construction of the pressure tank can impact its durability, corrosion resistance, and overall lifespan. Factors such as the tank's shell material, the type of bladder or diaphragm, and the quality of the fittings and connections should all be carefully evaluated.

Certifications and Approvals: It's important to choose a pressure tank that meets relevant safety and performance standards, such as those set by the American Society of Mechanical Engineers (ASME) or the National Sanitation Foundation (NSF). These certifications ensure that the tank is safe and reliable for use in water pump systems.

Installation Requirements: The installation requirements of the pressure tank, such as the necessary clearance, connections, and mounting hardware, should be considered to ensure that the tank can be properly integrated into the water pump system.

By carefully considering these factors, you can ensure that you select a pressure tank that is well-suited to the specific needs of your water pump system, providing reliable and efficient performance for years to come.

Installing a Pressure Tank on a Water Pump

Installing a pressure tank on a water pump system is a straightforward process, but it's important to follow the manufacturer's instructions and best practices to ensure a proper and safe installation. Here are the general steps involved in installing a pressure tank:

1. Shut off the main water supply to the pump system and relieve any remaining pressure in the system.
2. Locate a suitable location for the pressure tank, ensuring that it is close to the water pump and easily accessible for maintenance and inspection.
3. Connect the pressure tank to the water pump system, typically using threaded fittings or unions. Make sure that the connections are tight and secure to prevent leaks.
4. Install a pressure relief valve on the pressure tank, as required by local building codes, to protect the system from over-pressurization.
5. Connect the pressure tank to the electrical system, if necessary, to power any built-in pressure switches or controls.
6. Adjust the pre-charge pressure in the tank to the manufacturer's recommended level, typically between 20-40 PSI.
7. Turn on the main water supply and check for any leaks or issues with the installation.
8. Test the system by running the water pump and verifying that the pressure tank is functioning as expected, maintaining a steady water pressure.

It's important to note that the specific installation process may vary depending on the type of pressure tank and the configuration of the water pump system. It's always a good idea to consult with a professional plumber or the tank manufacturer for detailed installation instructions and guidance.

Maintenance and Care for Pressure Tanks

Proper maintenance and care are essential for ensuring the long-term performance and reliability of a pressure tank on a water pump system. Here are some key maintenance tasks to consider:

1. Regular Inspections: Periodically inspect the pressure tank for any signs of damage, corrosion, or leaks. Check the tank's connections, fittings, and any pressure relief valves to ensure they are in good working order.
2. Pre-Charge Pressure Checks: Regularly check the pre-charge pressure in the tank and adjust it as needed to maintain the manufacturer's recommended level. This will help to ensure that the tank is functioning optimally.
3. Draining and Flushing: Depending on the water quality and usage patterns, it may be necessary to periodically drain and flush the pressure tank to remove any built-up sediment or debris. This can help to prevent clogging and maintain the tank's efficiency.
4. Bladder or Diaphragm Replacement: For tanks with bladders or diaphragms, these components may need to be replaced over time as they can become worn or damaged. Consult the manufacturer's recommendations for the appropriate replacement interval.
5. Corrosion Protection: If the pressure tank is exposed to harsh environmental conditions or water with a high mineral content, consider applying a corrosion-resistant coating or using a tank with a material that is resistant to corrosion, such as stainless steel or composite.
6. Professional Maintenance: For more complex or specialized maintenance tasks, it's often best to consult with a professional plumber or the pressure tank manufacturer to ensure that the work is performed correctly and safely.

By following these maintenance and care practices, you can help to extend the lifespan of your pressure tank and ensure that your water pump system continues to operate at peak efficiency.

Troubleshooting Common Issues with Pressure Tanks

While pressure tanks are generally reliable and long-lasting components, they can occasionally experience issues that may require troubleshooting and repair. Here are some of the most common problems that can arise with pressure tanks and how to address them:

1. Insufficient Water Pressure: If the water pressure in the system is consistently low, it may be an indication that the pressure tank is not maintaining the proper pre-charge pressure. Check the pre-charge pressure and adjust it as needed to the manufacturer's recommended level.
2. Frequent Pump Cycling: If the water pump is turning on and off more frequently than expected, it could be a sign that the pressure tank is not providing enough storage capacity to meet the system's water demands. Consider upgrading to a larger pressure tank or adjusting the pre-charge pressure.
3. Water Leaks: Leaks around the pressure tank's fittings, connections, or the tank itself may indicate a problem with the tank's construction or seals. Inspect the tank for any signs of damage or wear and replace any faulty components as needed.
4. Waterlogged Tank: If the pressure tank becomes waterlogged, meaning that the air cushion has been replaced by water, the tank will not be able to perform its intended function. This issue may be caused by a faulty bladder or diaphragm, or by a problem with the air compressor (if the system has one). Draining the tank and addressing the underlying issue should resolve the problem.
5. Corrosion and Rust: Over time, pressure tanks can become susceptible to corrosion and rust, particularly if they are exposed to harsh water conditions or environmental factors. If you notice any signs of corrosion, it may be necessary to replace the tank to prevent further damage to the system.

By being proactive in monitoring the performance of your pressure tank and addressing any issues promptly, you can help to ensure the continued reliability and efficiency of your water pump system.

Upgrading Your Pressure Tank System

As your water pump system's needs change or as technology advances, you may find it beneficial to upgrade your pressure tank system. There are several reasons why you might consider an upgrade, including:

• Increased Water Demand: If your household or business has experienced a significant increase in water usage, your existing pressure tank may no longer be able to meet the system's demands. Upgrading to a larger or more powerful tank can help to ensure a consistent and reliable water supply.
• Aging or Failing Equipment: If your current pressure tank is nearing the end of its lifespan or is experiencing frequent issues, it may be time to replace it with a newer, more reliable model. This can help to prevent unexpected system failures and ensure the long-term performance of your water pump.
• Energy Efficiency Improvements: Newer pressure tank technologies, such as composite or high-efficiency models, can offer significant improvements in energy efficiency compared to older, less-efficient tanks. Upgrading your system can result in lower energy costs and a smaller environmental footprint.
• Changing System Requirements: If you've made changes to your water pump system, such as adding new fixtures or appliances, upgrading the pressure tank can help to ensure that the system is properly balanced and optimized for the new demands.

When considering an upgrade, it's important to carefully evaluate the specific needs of your water pump system and choose a pressure tank that is appropriately sized and designed to meet those needs. This may involve working with a professional plumber or the pressure tank manufacturer to determine the right size, type, and configuration for your system.

By upgrading your pressure tank system, you can enjoy improved water pressure, reduced energy consumption, and greater overall reliability and performance from your water pump.

Harnessing the Power of Pressure Tanks on Water Pumps

Pressure tanks are a vital component of any water pump system, providing a range of benefits that contribute to the overall efficiency, reliability, and longevity of the system. By understanding the function of pressure tanks, the various types available, and the factors to consider when choosing and maintaining them, you can ensure that your water pump system is operating at its best.

From preventing water hammer and reducing pump cycling to improving energy efficiency, pressure tanks play a crucial role in delivering a consistent and reliable water supply. By properly installing, maintaining, and, if necessary, upgrading your pressure tank system, you can maximize the performance of your water pump and enjoy the many advantages that these versatile components have to offer.

Whether you're a homeowner, a business owner, or a water system professional, understanding the benefits and functions of pressure tanks is essential for maintaining a well-functioning water pump system. By harnessing the power of pressure tanks, you can enjoy a steady, efficient, and cost-effective water supply for years to come.

Are you ready to enhance your system's performance with top-of-the-line pressure tanks? Don't wait—call us now at 1800 10 670! Our team is ready to help you upgrade to high-quality pressure tanks designed to meet your specific needs. With our expertise and advanced solutions, including custom-engineered pump sets from Southern Pumping, we ensure optimal efficiency and reliability.