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Ashcroft® has a team of experts ready to help resolve even the most difficult applications and technical issues. The company has an extensive line of products, including hydraulic pressure switches, and if you require broader specifications than what is available, their engineers, technical staff and product marketing specialists can work with you to custom fit the perfect product for the job.
SOR® manufactures a full line of pressure, differential pressure, temperature, vacuum and level switches that are certified fit for use in SIL (Safety Integrity Level) environments. We are one of only a few manufacturers to offer its entire range of switches certified to the IEC 61508 standard. Our fundamentals include superior quality, excellent service and quick delivery.
At Tecmark, they are committed to providing customers with quality products, services and on time deliveries. Their products are meant to control or help control a wide range of equipment and appliances, many of which you use everyday. From hydraulic pressure switches to much more complicated parts, Tecmark has the perfect solution for you. Call today to get started!
United Electric Controls is devoted to providing a wide variety of highly reliable products, including hydraulic pressure switches designed for use in stable, indoor locations, or in hazardous, and the most hostile outdoor conditions. Their engineering staff is always available to work directly with customers to help furnish solutions to meet their unique application requirements.
Dwyer Instruments is a leading manufacturer in the controls and instrumentation industry. They are able to serve numerous markets including HVAC, chemical, food, oil, gas, pollution control and many others. Dwyer is known for their exceptional quality products, including hydraulic pressure switches, and their outstanding customer service. Call today for assistance with your project!
Air Logic is a manufacturer of precision switches that interface from pressure signals to electrical control circuits and from vacuum signals to electrical systems. These snap-action products are able to provide a positive and reliable response. For hydraulic pressure switches and all other needs, make sure to contact Air Logic today so they can start assisting you.
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Industry Information
Hydraulic Pressure Switches
Within the automotive industry, hydraulic pressure switches are often used for applications such as a means of alerting the driver if the fluid levels are low, to activate a warning light if the engine oil pressure drops below a safe pressure and to automatically switch on the brake lights if there is a pressure rise in the hydraulic brake pipes. However, there are several other industries that utilize hydraulic pressure switches including: aerospace, for rocket propulsion and monitoring hydraulic fluids within airplanes; industrial, for boilers and chemical processing applications; wastewater, to prevent overflow through careful monitoring of pressures; and marine, for regulation of transmission fluid flow. Hydraulic pressure switches typically operate within the range of 300 - 2600 pounds per square inch (PSI); however, higher pressure levels, up to 4000 or even 12000 PSI can be achieved. In addition, hydraulic pressure switches normally operate within a temperature range of -20 and 160ยบ Fahrenheit (F).
Hydraulic pressures are actuated by either a drop or a rise in pressure, depending on the requirements of the application. The two main methods of actuation for hydraulic pressure switches are contact and non-contact. Actuation by contact involves physical placement of the pressure switch within the system being regulated, while non-contact actuation does not require physical placement, but utilizes more advanced technologies to allow for regulation while remaining outside of the system. It is much more common for a hydraulic pressure switch to be actuated through contact versus non-contact. Hydraulic pressure switches are comprised of two main parts: a transducer and a switch. The transducer functions to measure the pressure of the system as well as to sense pressure fluctuation. When the transducer senses a change, it will send a signal to the switch. The switch will then convert that signal into electrical energy, and use that energy to turn on or off, thus signaling through means of a warning light or sound that there is a problem with the pressure. Hydraulic pressure switches can be differential or vacuum switches: differential switches are used to measure or regulate between two points of differing pressure and are actuated based on the set points, while vacuum switches help regulate the pressure between two closed cavities through conversion of a negative pressure signal to an electrical output.
