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Differential Pressure Switch Manufacturers and Companies

IQS Directory provides a comprehensive list of differential pressure switch manufacturers and suppliers. Use our website to review and source top differential pressure switch manufacturers with roll over ads and detailed product descriptions. Find differential pressure switch companies that can design, engineer, and manufacture differential pressure switches to your companies specifications. Then contact the differential pressure switch companies through our quick and easy request for quote form. Website links, company profile, locations, phone, product videos and product information is provided for each company. Access customer reviews and keep up to date with product new articles. Whether you are looking for manufacturers of low differential pressure switches, different pressure water switches, differential pressure switches for air, or customized differential pressure switches of every type, this is the resource for you.

  • Mentor, OH 440-205-7600

    Tecmark is a designer and manufacturer of remotely actuated controls used by OEMs worldwide. We offer an extensive line of high pressure switches, and our customer service representatives will help you find the perfect model for your application. Whether you are looking for an in-house solution, or an industry need, we continue to develop technological advancements.

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  • Pittsburgh, PA 412-788-2830

    Since 1980, KOBOLD has been a leading manufacturer of high-quality pressure switches, gauges and transmitters. KOBOLD brings to you 25 years of experience, excellent customer service and FREE technical support. Call today or visit our website for all of your instrumentation needs. Our highly trained engineers and sales team can find the optimal solution for even the most demanding applications.

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  • Oneonta, NY 866-395-2902

    For forty-five years MAMCO Precision Switches has been providing customers with the products they need. They provide engineering expertise, advanced software, highly trained and experienced personnel, customer process integration, outstanding customer service and on-time delivery. For all your differential pressure switch needs, contact MAMCO today for help getting started!

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  • Stratford, CT 203-378-8281

    Ashcroft® began over 150 years ago with the Bourbon tube gauge, today they supply so much more. As times began to change so did the company, now the products they manufacture have become the benchmark in measurement. The company supplies customers worldwide with superior service and the highest quality parts, such as a differential pressure switch, in the industry.

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  • Lenexa, KS 800-676-6794

    The longevity of our differential pressure switch systems is guaranteed. Our engineers will abide to all of your specifications and we are confident that we can find a solution that is perfect for your facility. All of our differential pressure switches are affordable and highly durable. The attributes of our products are unmatched. Please give us a call today to learn more information!

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businessIndustry Information


Differential Pressure Switches

Differential pressure switches are a type of pressure transducer that senses changes in the relative pressure between two points and responds in a specified way. Differential pressure is one of the several types of measurement that are available for pressure switches. In a given application a differential pressure switch may be used to maintain a disparity of pressure in separate parts of a system, or to keep the pressure in various parts of a system equalized.

Differential pressure switches simultaneously measure the pressures at two different places in a system and compare them to produce a differential pressure reading. If the pressure is the same at both points, then the differential pressure will read zero, but if there is a difference in pressure between the two points, then the differential pressure reading will quantify the difference in terms of pressure – usually atmospheres (atm), Pascals (Pa), pounds per square inch (PSI) or bar. Differential pressure switches are programmed to react when the differential pressure rises or falls to a set actuation point, either signaling an alarm or automatically switching something on or off, for instance opening or closing dampers or louver, starting and stopping fans or motors and many other uses. Different kinds of differential pressure switches are designed to sense and react to changes in relative pressures of gases, liquids or both.

Differential pressure switches are useful in a variety of different applications. In airplanes they are used to monitor and regulate the differential between the cabin air pressure and the atmospheric pressure as it changes throughout the duration of the flight. Oil filters for internal combustion engines are regularly equipped with differential pressure switches to measure the change of pressure across the filter. Differential switches can also be used to measure flow or level between connected pressurized systems or pressure vessels, since pressure tends to equalize within a free-flowing system. Differential pressure switches come in many forms, with or without either analog or digital displays, and in a variety of housing materials including acetal, brass, polycarbonate, plated steel, glass reinforced polyester, polyvinyl chloride and cast aluminum. Electronic pressure switches are the most common type of differential switches because they are easy to program and suitable to a wide range of pressures. Electronic differential pressure switches function by measuring strain on two separate piezoresistive, piezoelectric, or magnetic sensors that are connected to a digital interface module that shows the relative pressure. Differential pressure switches are important for the utility, automotive, aerospace, appliance, pneumatics and hydraulics industries because they are able to help manage the comparative pressures of different points within a system.

differential pressure switch
Differential Pressure Switch - Tecmark Corporation