Pressure switches are present in many operations, from automated pneumatic systems on industrial production lines to agricultural vehicles, trucks and machines in general. In general, its operation is the same, but some parameters differ depending on the application, which defines the characteristics to be considered when choosing the pressure switch.
Your range can be considered as the main parameter to consider. The pressure switch acts as a switch that activates when a certain pressure is exerted on the system. This desired pressure measurement should be observed when choosing the pressure switch. Pressure switches are made for bay and high-pressure applications and usually have an adjustable range to choose the desired trigger pressure.
Another factor to consider is the thread. The pressure switch is connected to the system through a threaded fitting. It is important to note the thread available in the system for the perfect fitting of the pressure switch.
Operating temperature is another factor to be taken into account. Some systems operate with high or low temperature fluids or gases, which can compromise the correct pressure switch reading or even compromise its structural integrity, compromising not only the accuracy of measurements, but the safety of the system. It is important to choose a pressostate that meets your demand as a function of temperature.
There are other factors that can be considered, such as electrical contacts, for example, but in general, these are the most relevant.
Lefoo has a wide range of pressure switches for the general industry. Our models have been developed based on many years of research in partnership with industries around the world to meet specific needs with superior precision and durability. Among these models, we highlight some of them:
LF17-W Water Pressure Switch (15-250PSI): The robust LF17 pressure switch is designed to meet the most demanding demands on the heavy-duty commercial water pump system. This pressure switch allows direct connection to motors up to 3 HP and 5 HP, with normally closed contacts.
Its simple design makes it easy to use for professionals and non professionals. It has corrosion resistant plastic composite lid. No looping in your wiring. Its installation is simplified through direct cable, with ample space for wire connection. It has grounding screws and extreme ease of adjustment.
It has a stainless steel connection as an optional item, as well as other optional connection accessories.
LF20-H pressure switches are robust, compact and designed to operate in harsh environments under various pressure situations. Due to its special internal design, this switch can tolerate high-pressure spikes inherent in many pressure systems.
The switch is factory calibrated, but also allows field adjustments. Kapton's diaphragm makes it compatible with many gases and liquids. Various other diaphragm materials and electrical terminations are available.
This newly restructured version of our LF20 uses a 3-piece construction and screw machined components that can handle pressures much higher than previous models.
Browse our website and get to know the whole line of Lefoo pressure switches.
Log in 
English