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A pneumatic positioner is a force balance device that uses controlled pneumatic output pressure for adjusting positions of valve actuators. The application of pneumatic positioners in industrial automation for controlling the motion in valve actuators improves the productivity of the equipment. The Pneumatic Valve Positioner is an instrument working on force balance principle to position the Control Valve stem in accordance to a pneumatic signal received from a controller or manual loading station, regardless of packing box friction, actuator hysteresis or unbalanced forces on the valve plug. Thus, the positioner ensures a reliable and accurate operation of Control Valve. The position of the plug, is directly proportional to the controller output pressure. The Positioner compares the forces generated by the control signal and the control valve stem through the motion connector and the feed back cam, and accordingly it feeds or bleeds the air going to the valve actuator. Thus, the positioner ensures a reliable and accurate operation of the control valve.
COVID-19 scenario analysis:
The increasing demand for customized pneumatic positioners is a key factor behind the growth of the pneumatic positioner market. A wide range of customizable products in terms of coating and body material of the positioners are available in the market. Wide availability of customizable products help different end-users to select the appropriate products as per their application requirements. For instance, vendors in the chemical and petrochemical industry select anti-corrosion coating enabled valve positioners as these positioners are exposed to numerous chemically harsh liquids. The fluctuation in prices of raw material for manufacturing is a restraining factor as any volatility in raw material prices prevents manufacturing companies from adopting pneumatic positioners, thereby restraining the growth of the market. The opportunity for growth of pneumatic positioner market comes from the increasing popularity of smart positioners that are increasingly being adopted by end-users as it offers more operational efficiency than the other conventional positioners.
According to data of United Nations (U.N) more than 54% of global population is living in urban areas, which is generating employment opportunities and improving income level of individuals. Due to the aforementioned factors of growing population, urbanisation and increased standard of living of consumers around the world, creating opportunities for the global automotive market to expand. This in turn is aiding the growth of the global automotive, airline and tourism industries. With the rising construction activities across the globe, the use of fuel has considerably increased in the recent years. These factors contribute to the growth of the demand and consumption of oil and gas around the world and continue to aid the global oil and gas industry grow. Therefore, by extension, this helps the global pneumatic positioner to grow as well.
Technologies like IoT, data science, machine learning, and artificial intelligence have helped develop pneumatic positioner market massively. Increasing usage of digital or smart valve positioners is a key trend that is driving the market. These positioners can analyze the functioning of the valves by collecting data about the valves. Therefore, manufacturers are able to produce analytical models which help to improve the operational efficiency of the plant. This is expected to help the global pneumatic positioner market grow in the future.
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