How Often Should I Drain My Air Receiver Tank?

Welcome to another article from Air Receiver Tanks, your trusted partner with 32 years of industry experience. Understanding the intricacies of compressed air systems is crucial for optimising performance and longevity. One of the most frequent questions we encounter is, “How often should I drain my air receiver tank?” This article aims to clarify this crucial aspect of compressed air system maintenance.

In this first section, we’ll delve into why moisture is a significant concern in compressed air systems.

Why Is Moisture a Problem in Compressed Air Systems?

Moisture in compressed air systems can be a lurking issue that impacts not just the efficiency but also the durability of your equipment. Moisture leads to the corrosion of internal components, reduced performance, and can even compromise safety protocols. Regular maintenance like draining is essential for any air receiver tank, irrespective of the manufacturer.

Now that you know why moisture is an issue, let’s discuss how frequently you should be draining the water from your air receiver tank to keep it in optimal condition.

How Many Times a Month Should You Drain the Water from Your Receiver Tank?

The frequency of draining your air receiver tank can vary based on factors such as usage patterns, ambient conditions, and the specific requirements of your compressed air system. Generally, a more frequently used system in a humid environment will require more frequent draining. For most standard industrial settings, draining the tank once a week could suffice, although in more demanding conditions, this might need to be done as often as once a day.

To make this maintenance task easier to remember, our next section will offer some practical tips on setting reminders for when to drain your receiver tank.

Tips on Remembering When to Drain Your Receiver Tank

Regularly draining your air receiver tank is not just a recommendation; it’s a necessity for maintaining the system’s efficiency and durability. However, it’s not uncommon for this crucial task to slip one’s mind amid the hustle and bustle of running a busy production facility.

To mitigate this, you could incorporate reminders into your existing maintenance management software or opt for calendar-based reminders. Some businesses even choose to designate this task to a specific team or individual, making them responsible for timely draining as part of their role. 

With the importance of regular draining and tips for remembering it now covered, let’s move on to whether draining the air tank is something that needs to be done regularly or if there are exceptions.

Do You Need to Regularly Drain the Air Tank?

The simple answer is yes, regular draining is indispensable for nearly all air receivers. However, there may be very specific instances where the frequency could be slightly adjusted, such as in systems with advanced moisture separators or in environments with extremely low humidity.

Even in such cases, periodic draining is advised to remove any residual moisture or contaminants. Our experts at Air Receiver Tanks can guide you through assessing whether your unique operational conditions may warrant any variation in the draining schedule.

Next, we’ll provide a step-by-step guide on how to properly drain the water from your air receiver tank, ensuring that the process is carried out safely and effectively.

Draining the Water: A Step-by-Step Guide

Draining your air receiver tank is a task that needs precision and attention to safety measures. Before starting, make sure to read the user manual specific to your air receiver model. Most tanks come equipped with a drain valve at the bottom, which can either be manual or automatic.

For manual systems, it involves shutting off the air supply, releasing the pressure, and then opening the drain valve to let out the accumulated moisture. Automatic systems simplify this process, but it’s essential to ensure they are functioning correctly.


And that brings us to the conclusion of our comprehensive guide on draining your air receiver tank. Thank you for reading, and as always, feel free to contact us with any queries or questions you may have for the expert team.

Why not read our article on pressure relief valves for air receivers next.