VALVE review AS-SCHNEIDER, GERMANY METSO, FINLAND

摘要

World Pipelines' valve review, featuring AS-Schneider, Metso, Rotork and SPX Flow. In the oil and gas industry, many piping engineers tend to stereotype the term 'severe service' on their valve requirements. In a given process or system, however, only few can be considered as such. These are the ones that pose the greatest design challenge. Each type of valve has several parameters to consider. The following salient points define severe service relevant to double block and bleed (DBB) isolation ball valves.