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