Anti Siphon Valve Oil Tank Dn50

Anti Siphon valve for Diesel tank Dn50,
The valve is only intended for installation on top of above ground tanks.
The springs are used for hydrostatic.
• heads: 1-5’, 6-10’, 11-15’ or 16-20’ (1,5, 3, 4,5, 6 meters)
This anti-syphon valve is designed to prevent product syphoning in an aboveground storage tanks and to stop the fuel leaking in case of a break in the pipework, thus preventing environmental pollution