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As a leader in technology and innovation, Ashcroft® designs and supplies a wide range of industries with the exact low pressure switches and other products they need. Their customer service representatives are highly trained to answer product application questions, offer competitive product cross-references and work closely with you to help meet your goals.
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.
Tecmark works as a team to continuously improve their products and management systems to achieve unparalleled customer satisfaction. From in-house solutions to industrial needs, they have the technology to get you the precise product you have been searching for. For cost-effective pricing and the highest levels of quality, call Tecmark for your next low pressure switches order.
For products you can rely on to protect people, valuable equipment, the environment and processes in a wide variety of industrial applications by monitoring pressure or temperature conditions, turn to United Electric Controls. Their products will perform the critical alarm, control and shutdown functions of equipment or processes, based on your needs. Call for your next low pressure switches.
Dwyer Instruments has been able to position itself as a leader in providing knowledgeable, prompt and courteous service to all their customers. These qualities along with their exceptional product line make them an industry leader. They are constantly creating new products and improving their current line. For the best low pressure switches on the market, call today.
For the low pressure switches you have been searching for, look no further than Air Logic. Their extensive line has every product you need. The company strives for providing each customer with exceptional service, including on-time delivery and the most productive systems available today. For help locating a product to fit all your requirements, call Air Logic.
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Industry Information
View A Video on Low Pressure Switches - A Quick Introduction
Low Pressure Switches
Low pressure switches are used in a wide range of industries including: the aviation industry, where they are essential for many hydraulic applications; chemical processing industries for sensitive material handling applications; laboratory or research industries for accurate testing; and wastewater systems for fast and efficient system control. Designed to actuate in response to minute, small and reduced pressure situations, low pressure switches react solely in direct correlation to the pressure of the system. Advantageous for systems such as pneumatic, plumbing, foam processing, sewer and steam, all of which can and often do operate at low pressures, low pressure switches can offer features such as explosion proof, adjustable and electronic in order to better fit the required application.
Low pressure switches are designed to regulate material flow within pressure systems. In order to be responsive to pressure changes, low pressure systems are constructed using materials such as diaphragms and sometimes piezoelectric crystals. Diaphragms respond to pressure fluctuation because when the flow exceeds the set point, the diaphragm will be pushed open and the medium will flow through. Piezoelectric crystals respond to pressure changes because when they are pressed or released, they produce a voltage that is used to actuate the switch. There are three main types of low pressure switches: negative, positive and differential. Negative low pressure switches function by converting the negative pressure signal to an electrical output; thus the switch is designed to respond only changes in the negative pressure chamber. Positive low pressure switches function in much the same way; essentially, they work by converting the positive pressure signal to an electrical output, thus only responding to changes in the positive pressure chamber. Differential low pressure switches, however, function in a significantly different manner. These switches work by measuring or regulating between two points of differing pressure and actuate based on a set point. Differential low pressure switches are extremely sensitive to any changes in pressure, no matter if the pressure is negative or positive.
