Overfill protection valves


Risbridger offers a high quality and feature packed RIS-STOP range:

Several models of 2″ Valve are available for different oils / fluids, not suitable for Petroleum Spirit.

The 3″ Pressure and 4″ Gravity Valves are modular and the build is dependent on Base and Inlet fittings, type of drop tube supplied, accessories like RIS-DIFFUSER and RIS-ATV – our powerful pairing of products to prevent foaming in diesel tanks and vapour generation and loss in petroleum fuel tanks.

There are Part Number Matrixes for 3″ Pressure and 4″ Gravity valves to allow you to request a price for your particular application. Please contact us for further details.