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