Results for tag: "Valve Positioner"

A valve positioner is a device used to control the opening and closing of a valve. It is typically used in industrial applications, such as oil and gas, water and wastewater, and chemical processing. The positioner is connected to the valve stem and is used to adjust the valve's position in response to a signal from a controller. The positioner is designed to provide precise control of the valve's position, allowing for accurate and repeatable operation. Valve positioners are available in a variety of designs, including pneumatic, electric, and hydraulic. Pneumatic positioners are the most common type, as they are relatively inexpensive and easy to install. Electric positioners are more expensive but offer greater accuracy and control. Hydraulic positioners are the most expensive but offer the highest level of control and accuracy. The valve positioner market is highly competitive, with a number of companies offering a wide range of products. Some of the major players in the market include Emerson, Flowserve, Metso, Rotork, and Siemens. Show Less Read more