At Valfonta, the manufacturing of pressure reducing valves is a specialty in which we have years of accumulated experience, allowing us to guarantee the superior quality of our products. We are committed to providing customized solutions that meet the needs of each customer, working with a wide range of fluids, including steam, liquids, and gases.

Steps to design a pressure reducing valve

Before anything else, the following aspects must be taken into account when the time comes to choose the design of a pressure reducing valve:

Válvula reductora de presión

The choice of material for the valve body is fundamental and must be based on the nature of the fluid, resistance to corrosion, and required durability.

It is essential to determine the normal operating ranges as well as the maximum limits of pressure and temperature that the valve can withstand without compromising its integrity or operation.

Dimensions and Flow Capacity The size of the valve and its flow capacity must be suitable for the system in which it will be installed, ensuring that it can efficiently handle the anticipated volume of fluid.

The valve must be able to operate efficiently within the temperature limits of the process for which it was designed.

It is important to consider the allowable leakage rate to ensure that the valve complies with safety and efficiency standards.

Understanding under which circumstances the valve will lose pressure and determining the exact moment it should close to maintain system efficiency.

Having a deep understanding of the piping system in which the valve will be integrated is crucial to ensure optimal compatibility and performance.

The design must balance long-term durability with an acceptable cost, always seeking the best return on investment for the customer.

Válvula reductora de presión vapor

Concepts to Consider When Designing a Pressure Valve

To design a pressure valve properly, it is important to determine the purpose of the valve in question. To do this, it is essential to know all the existing types of valves:

  • Gate Valve: They are used to cut off or open the passage of a fluid, usually liquid. Its bidirectional design allows installation in any direction. It is essential that these valves are fully open or closed, as a gate failure can destroy the valve. They are classified into three types, depending on the wedge or mirror required: solid, flexible, and resilient.

  • Ball Valve: These valves are also bidirectional and are used in industries with smaller diameters. The valves have a double ring, placed at each end of the ball, providing greater security. They are classified into floating ball and guided ball (Trunnion), according to the required applications.

  • Butterfly Valves: These valves are the most widely used due to their versatility and function as an on-off valve. They are classified according to the convergence of the centers of their main parts into disk, body, stem, and seat.

  • Globe Valve: Its unidirectional design allows for primarily regulating pressure. Additionally, these valves are classified according to how they are activated: manual, automated, and self-regulating.

cómo seleccionar una válvula de control

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European regulations for designing pressure valves

To begin with, it should be noted that the existing regulation in America (ANSI) is not the same as what we have in Europe (EN). Consequently, we will show you everything related to European regulations.

On May 7, 1997, under Royal Decree 769/1999, the Pressure Equipment Directive, 97/23/EC, was published in the Official State Gazette (BOE). This directive establishes the minimum requirements that all equipment subject to a maximum allowable pressure PS greater than 0.5 barg 1 must meet regarding its design, manufacturing, and conformity assessment.

On the other hand, it is essential to know what type of substance will pass through the valve (vapor, liquid, or gas). Furthermore, it should be highlighted that these components have been classified into two completely differentiated types of fluid. Group 1 corresponds to hazardous fluids such as explosives, toxic substances, or oxidizers. In Group 2, the rest of the less harmful fluids are found.

Our pressure reducing valves

For any questions or clarifications, contact our commercial department

If you have doubts or need additional clarifications, our commercial department team is always available to provide the assistance you require.

In the field of engineering and industrial manufacturing, a precise understanding of technical terms and specifications is crucial. We are aware that, given the complexity and use of specialized vocabulary in our sector, it can be challenging to understand exactly what is needed and what is being acquired.

At Valfonta, we not only strive to produce the highest quality valves but also dedicate ourselves to offering comprehensive and personalized advice to our clients.

If you need assistance in designing a pressure relief valve that perfectly suits your needs, you just have to fill out our form. Once we receive your request, we will get in touch with you as soon as possible to provide you with a detailed and personalized guide, ensuring you understand every aspect of the selected product.

Contact us

Moreover, if you prefer more direct communication, you can contact us by calling 933 720 888. Our team of experts is always ready to assist you, answer your questions, and guide you through the selection and design process of your pressure relief valve. You can also email us at valfonta@valfonta.com, where we will respond to your inquiries with the same attention and efficiency.

At Valfonta, we are committed to providing exceptional customer service, ensuring that each interaction is informative, effective, and satisfactory. We are here to help, and we are delighted to address all your doubts and inquiries!