perhosventtiili
Perhosventtiili, known in English as a butterfly valve, is a type of quarter-turn valve used to regulate or isolate flow. Its primary component is a disc mounted on a central rod. When the valve is in the open position, the disc is rotated 90 degrees so it is parallel to the flow stream, allowing for minimal obstruction. In the closed position, the disc is rotated 90 degrees to be perpendicular to the flow, blocking the passage.
Butterfly valves are characterized by their simplicity, compact size, and light weight, making them suitable for
Due to their design, butterfly valves are not always ideal for applications requiring a bubble-tight seal or