MD&A performed a major inspection and scheduled repairs of a Toshiba® 130 MW steam turbine. During this planned outage, along with a LP turbine inspection, the combined main stop/control valve (MSV/CV ...
The Fisher Type 119EZ and 119EZS main burner valves from Emerson Automation Solutions provide variable opening speeds for proper ignition in pneumatic and automated burner systems. Intended for use in ...
Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...
Feedwater control valves play a critical role in boiler operation. One important parameter of their design is the pressure drop at the rated condition as well as off-design conditions. However, ...
A worksheet that calculates control valve installed gain can be part of any control valve selection process. For many years, the author has used, and promoted the use of, control valve installed flow ...
Directional-control valves are vital in any pneumatic circuit, directing or blocking airflow to control the speed or sequence of operations. One method of classifying directional-control valves is by ...