At Valfonta we manufacture pressure reducing valves and have many years of experience in the sector. As a result, we know that we can guarantee the quality of our products, while offering an optimal solution for all types of fluids, whether they are vapours, liquids, or gases.
Steps to design a pressure relief valve
First, the following aspects should be considered when it comes to choosing the design of a pressure valve:
Concepts to consider when designing a pressure relief valve
To properly design a pressure valve, it is important to determine what the purpose of the valve in question will be. To achieve this, it is essential to know all the existing valve types:
European standard for designing pressure relief valves
To begin with, it should be noted that the existing standard in America (ANSI) is not the same as the one we have in Europe (EN). Consequently, we will show you all about the European standard. On 7 May 1997, under Royal Decree 769/1999, the Pressure Equipment Directive, 97/23/EC, was published in the Official State Gazette (BOE).
This establishes the minimum requirements that all equipment subjected to a maximum allowable pressure PS greater than 0.5 barg 1 must have in terms of design, manufacture, and conformity assessment.
On the other hand, it is essential to know what type of element will pass through the valve (vapour, liquid, or gas). It should also be noted that these components have been classified into two entirely different types of fluids. Group 1 corresponds to hazardous fluids such as explosive, toxic or oxidizing fluids. And in group 2, there are other fluids that are not so harmful.
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