Comparative Analysis of the Performance Characteristics of Butterfly and Pinch Valves

Valves are important components in controlling the amount of fluid going to devices. One these types is butterfly valve (BFV) that adjusts flow by rotating disk means its shafts which usually located middle flow. Despite common usage various applications, BFV known cause a high-pressure drop. Conversely, pinch another type control device uses pinching mechanism open and close inner tube at different degrees. The absence flow-controlling mechanisms path, such as shaft, contribute minimal pressure drop valves. BFVs make it worthwhile investigate compare their all opening positions two Therefore, this work numerically explores potential using an alternative terms ability attain lower loss, hence better rate. influence parameters shaft diameter, thickness, edge were examined. performance characteristics both valves obtained CFD models formed on SolidWorks program. This model solves differential equations finite element method. Moreover, mathematical determine area degrees was developed compared with results from other CFD. It shown flat 1 mm thickness round edges resulted 7.5% increase mass rate standard BFVs. On hand, over 700% 25% position 49% 75% position. Thus, has replace due any application.