Lefoo 2000 - 2025
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The Role of Vacuum Switches

Table of Content

The Role of Vacuum Switches


Lefoo is recognized worldwide for the quality of its product line. From vacuum switches, pressure switches, reverse osmosis pumps, among others, the quality found in each item is a guarantee of confidence in the entire system. Among this wide range of products, Lefoo operates with vacuum switches designed for various industry applications.


A Vacuum switch is defined as a negative pressure switch (vacuum / below atmospheric pressure). Acting as an electrical switch at a predetermined negative pressure. Basically, a vacuum switch acts to open or close an electrical contact, with the function of signaling when a certain negative pressure is reached.


As in the case of pressure switches, the accuracy of vacuum switches is extremely important, since these components are responsible for the activation of other components and equipment. Minor flaws in these components can cause serious problems, from losses in productivity to the compromise of the entire safety of an environment, in more complex applications.


Lefoo works with customers around the world to develop more accurate vacuum switches, serving from generic to more specific applications.

Browse our website and learn more about the entire line of vacuum switches and pressure switches.

TY_REFERENCES
Choosing the Right Pressure Switch for Water Supply Systems
Choosing the Right Pressure Switch for Water Supply Systems
In any water supply system—whether residential, commercial, or industrial—maintaining consistent water pressure is essential for safety, efficiency, and performance. When the water pressure is too l...
Differential Pressure Gauge
Differential Pressure Gauge
Lefoo develops components for several applications, considering the main demands of the world market. Among these items are pressure gauges.The LFB differential pressure gauge is a type of elastic pre...
Pressure Switches with Worldwide Technology
Pressure Switches with Worldwide Technology
Lefoo is constantly developing its line of pressure switches. With development centers spread around the world, Lefoo works to develop pressure switches that meet the most varied market demands. We ha...
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