

As a specialist in pressure protection, I’m often asked: “Which is better, a rupture disc or a safety valve?” The answer is never black and white. Both technologies have their own advantages and applications, depending on the processes and risks within a system. In this blog, I explain what to consider when making the right choice.
Why pressure protection is essential
Safety is paramount in any industrial process. Pressure build-up can lead to serious incidents, causing equipment damage, environmental risks, and even danger to personnel. Effective pressure protection ensures safe pressure relief, but choosing the right solution requires a thorough analysis of the situation.
When to choose rupture discs
My colleague Dick Verhoef is our expert in rupture discs. These pressure relief devices are often used in the (petro)chemical, oil and gas, food, and pharmaceutical industries. Rupture discs are designed to respond quickly and single-use in case of overpressure. They provide a simple, reliable solution for processes where speed and cost-efficiency are critical, such as applications with rapid pressure build-up or where absolute safety is the top priority.
The strength of safety valves
Safety valves, my area of expertise, are primarily used in processes where pressure relief may occur more frequently. They are widely applied in the (petro)chemical, oil and gas, and energy sectors. The advantage of safety valves is that they automatically close after activation, returning the process to safe pressure levels. Additionally, they can be precisely adjusted to specific pressure thresholds, making them ideal for processes with fluctuating pressure.
Combining both can be the best solution
Sometimes, it’s not about choosing between a rupture disc or a safety valve, but combining the two. For example, a rupture disc can be placed before a safety valve to protect it from contamination or corrosion. This extends the safety valve’s lifespan and reduces maintenance costs.
What’s the best choice for your process?
The answer depends on the unique characteristics of your process. Would you like to discuss your options? Feel free to contact me or my colleague Dick Verhoef. Together, we’ll find a solution tailored to your specific needs.