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Breather Valve Life Test: Still Going Strong After 11,200 Cycles

Breather valves are an important part of many storage tank systems, especially in tough environments. To make sure our CF8M stainless steel, 2-inch breather valve could handle real-world conditions, we put it through a life test with 11,200 cycles of pressure changes. The result? It performed great, with no problems at all!

What Were the Testing Conditions?

We wanted to see how our valve would work under challenging conditions, so we tested it with:

  • Temperature: Between 15°C and 30°C
  • Humidity: Between 45% and 75%
  • Pressure Range: Positive pressure of 50 millipascals and negative pressure of 55 millipascals
pressure vacuum relief valve factory
pressure vacuum relief valve factory
pressure vacuum relief valves
pressure vacuum relief valves

During the test, positive and negative pressure were applied over and over to mimic real-life use. A special machine (SUP-MCX710) tracked everything. From start to finish, we kept an eye on how the valve performed to make sure the test was accurate.

Pressure Vacuum Relief Valve Test 1
Pressure Vacuum Relief Valve Test 1

How Did It Perform?

We ran the test 11,200 times, with the valve experiencing up to 5.1 kPa of positive pressure and 5.6 kPa of negative pressure. After all that, the 2-inch breather valve still looked and worked like new!

It held its seal perfectly, and there was no damage to any of its parts. This shows it’s a reliable product that can handle heavy use in real-world situations.

Pressure Vacuum Relief Valve Test 2
Pressure Vacuum Relief Valve Test 2
Pressure Vacuum Relief Valve Test 3
Pressure Vacuum Relief Valve Test 3

Perfect for Marine Storage Tanks

Marine storage tanks need breather valves that can handle rough conditions, like pressure changes and tough weather. Our CF8M stainless steel breather valve passed this test with flying colors, proving it’s up to the task. It can help keep marine storage tanks running safely and reliably, even in harsh environments.

As a trusted manufacturer of breather valves, we’re proud to provide high-quality products for your needs, whether it’s for marine use or other purposes.

Pressure Vacuum Relief Valve Test 4
Pressure Vacuum Relief Valve Test 4

Final Thoughts

Our 2-inch CF8M breather valve(pressure/vacuum relief valve) survived 11,200 pressure cycles and kept working perfectly. If you need a dependable valve for your marine storage tanks or other equipment, reach out to us!

For more details, visit our website or get in touch with our team.

Pressure Vacuum Relief Valve Test 5
Pressure Vacuum Relief Valve Test 5
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Picture of Will Don

Will Don

After earning my bachelor's degree in mechanical engineering from Zhejiang Normal University in 2008, l was fortunate enough to begin my career with Siemens, Fisher, and YTC, focusing on control valve accessories. Over the past dozen years, l've poured my heart and energy into understanding technology and fluid solutions for control valves.
Now, as the marketing director for THINKTANK, a trusted branch of the Taiwan STONE valve group, I can't help butf eel proud of how far we've come. Our knowledge isn't just reaching professionals like engineer and valve distributors; it's also inspiring the next generation of automation college students.
l genuinely hope you're enjoying our articles and finding them helpful.Your thoughts, questions, and feedback mean the world to me, so please don't hesitate to reach out to marketing[at]cncontrolvalve.com. Whether you're a seasoned expert or just curious about the field, I'm here to connect, share, and learn together.

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I am the author of this article, and also the CEO and marketing director of THINKTANK, with 15 years of experience in the industrial valve industry. If you have any questions, you can contact me at any time.

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