Spherical valve
<img src="https://eng-calculations.com/SVG/Hydraulic_engineering/Valves/Spherical valve.svg" alt="Spherical_valve" title="Spherical_valve">
https://eng-calculations.com/SVG/Hydraulic_engineering/Valves/Spherical valve.svg
<img src="https://eng-calculations.com/SVG/Hydraulic_engineering/Valves/Spherical valve.svg" alt="Spherical_valve" title="Spherical_valve">
https://eng-calculations.com/SVG/Hydraulic_engineering/Valves/Spherical valve.svg