Overfill prevention valves are disigned to prevent the overfill of liquid (fuel) in a storage tank ensuring the positive shut-off of product delivery. The valve can be installed either on underground (UST) or aboveground (AST) storage tank and in fact is designed for working correctly at high pressure.
The valve can be installed under the manhole lid of the tank through BSP threaded flange or sleeve, there is no need to remove the manlid.
• Gravity or pumped filling* (factory tested)
• Positive shut-off* (factory tested)
• Fast loading operation 850 lt/min* (factory tested)
• Fast drain hose emptying (less than 30 sec/mt.)* (factory tested)
• Remote or direct filling
• Maximum fuel storage capacity
• No risk of fire or fuel leaking
• Easy installation
Where liquid is not clear a strainer before the valve is strongly recommended in order to guarantee a proper working of the valve. Dirty particles in fact may damage the moving components causing malfunctioning.
The overfill prevention valve Model 446 is available also in stainless steel AISI 316L, sizes 2″ and 3″ and can be used in tanks with ad blue, chemicals.
See here other types of all available Ridart overfill prevention valves.
Ridart S.r.l. - Via Adua, 17 | 21045 Gazzada Schianno (VA) - Italia | Tel. +39 0332 463301 | Fax +39 0332 873065 | PIVA 01454770122 | firstname.lastname@example.org