Accurate valve position feedback offered by NewTek LVDT valve position sensors
NewTek LVDTs provide accurate position feedback in the monitoring and control of valves in many applications such as chemical plants, power plants on steam and gas turbines, hydroelectric stations and even agricultural equipment.
The LVDT converts the linear position of a valve to a proportional electrical output readable by monitors and control systems.
Offering attributes such as frictionless measurement, infinite mechanical life, excellent repeatability and infinite resolution, NewTek AC-operated LVDT position sensors are the ideal linear position technology for valve applications due to their long-term accuracy and reliability, even under hostile conditions. NewTek offers its LVDTs in high temperature, miniature and hermetically-sealed designs to meet the specifications of different applications.
For example, NewTek LVDTs enable accurate monitoring and control of gas turbine valves that regulate the flow of fuel through different components of a gas turbine. By knowing the position of micro fuel valve openings, operators can more efficiently operate turbines with minimal wasted energy.
Implemented as part of steam power plant rehabilitation projects, NewTek LVDT sensors are used in a control system to monitor the position of modulating governor and throttle valves. The linear position sensors can significantly increase operating efficiency by enabling operators to meet specific control algorithms. NewTek LVDT sensors also monitor valve position at petrochemical plants as well as within off-road vehicles, farm equipment, construction equipment and aircraft.
The video above demonstrates how a NewTek LVDT monitors the position of gate valve as it opens and closes. The position sensor is mounted to a gate valve and accurately measures the position of the valve stem and gate. Operators rely on this position data to make adjustments to tightly control the flow rates of fuel, steam, or coolant to maximize efficiency. When specified with the right LVDT, this control system can operate for decades without interruption.
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