Piston Venturi Check Valves - M16 | Brandoni Venturi Check Valves - M16 | Brandoni The Venturi Check Valves - M16 by Brandoni are flanged PN 10/16 cast iron valves designed for efficient fluid control in water distribution, treatment, and various industrial applications. These valves feature a hydro-dynamic profile that minimizes head losses, enhancing performance. They are versatile in installation, suitable for vertical, horizontal,... View Flanged PN 10 PN 16 PN 25 PN 40 PN 64 PN 100 DIN EN-GJL-250