442 SERIES OVERFILL PREVENTION VALVES THE RIDART 442 SERIES OVERFILL PREVENTION VALVES ARE DESIGNED TO PREVENT OVERFILLING OF ABOVEGROUND AND UNDERGROUND STORAGE TANKS BY PROVIDING A POSITIVE SHUT-OFF DURING LOADING PROCESS. IT’S A SAFETY DEVICE IN ACCORDING WITH DIRECTIVES ATEX 2014/34/EU, EN ISO 13616-1:2016, EN ISO 80079-36:2016, TECHNICAL NORM FIRE PREVENTION 41/256 31/10/2019, D.P.R. 10/520 19/03/1955 AND SUBSEQUENT AMENDMENTS.

CODE: 442-80 AL BODY: FLOATS: POPPET SEAL: DIAMETER: INSTALLATION : WEIGHT: ALUMINIUM PP HD + CARBON STAINLESS STEEL PTFE + CARBON 3" VERTICAL 2,80 KG CODE: 442-80 SS BODY: FLOATS: POPPET SEAL: DIAMETER: INSTALLATION: WEIGHT: BODY: FLOATS: POPPET SEAL: DIAMETER: INSTALLATION: WEIGHT: ALUMINIUM PU+ALUMINIUM SPUTTERING STAINLESS STEEL PTFE + CARBON 3" VERTICAL 2,00 KG CODE: 442B-100 AL STAINLESS STEEL PP HD + CARBON STAINLESS STEEL PTFE + CARBON 3" VERTICAL 5,30 KG BODY: FLOATS: POPPET: SEAL: DIAMETER: INSTALLATION: WEIGHT: ALUMINIUM PU+ALUMINIUM SPUTTERING STAINLESS STEEL PTFE + CARBON 4" VERTICAL...

BODY: FLOATS: POPPET: SEAL: DIAMETER: INSTALLATION : WEIGHT: BODY: FLOATS: POPPET: SEAL: DIAMETER: INSTALLATION: WEIGHT: ALUMINIUM PE HD+ALUMINIUM SPUTTERING STAINLESS STEEL PTFE + CARBON 3" VERTICAL 1,30 KG ALUMINIUM PE HD+ALUMINIUM SPUTTERING STAINLESS STEEL PTFE + CARBON 3" HORIZONTAL 1,50 KG FEATURES Gravity or pumped filling Remote or direct filling No residual liquid in pipe at the end of loading process The valve closes when the tank level rises to 90% capacity Valve opens and closes automatically Higher quality, more reliable installation No need to dismantle the manhole No risk of fire...

RIDART is an Italian company, located in Varese, with over 50 years of experience in the petrochemical sector. Our main focus is on designing and producing safety valves and accessories for storage tanks, with a strong commitment on environmental protection and safety of people. Our product range includes Dry Break and API couplings, Overfill Prevention Valves, ShutOff Valves, Check Valves, Vapor Stop devices, Pressure Vacuum Vents, and Flame Arresters. Furthermore, our safety devices are certified for use with Hydrogen. All our products meet current legislation and standards, such as the ATEX...