The overfill prevention valve must be properly stored, handled and kept in good condition to prevent the entry of particles or the
deposit of dust in the moving parts.
MAINTENANCE
Documentation is not binding | The data and information can be changed at any time.
USER INSTRUCTIONS
HOSE WILL KICK WHEN DEVICE CLOSES IN TANK
FILLING OPERATION AT A MINIMUM RATE OF 60 LT/MIN
AND AT A MAXIMUM RATE OF 1100 LT/MIN
CLOSE VALVE ON TRUCK AND ALLOW HOSE TO DRAIN
WAIT FURTHER MINUTE FOR VALVE DEPRESSURIZATION
DO NOT RE-OPEN TANK TRUCK VALVE !!!
STOP THE DELIVERY AND DO NOT OPEN THE VALVE ANYMORE
OTHERWISE TANK MAY FILL TO MAX CAPACITY AND
HOSE MAY REQUIRE UP TO 30 MIN PER METER TO DRAIN
Scheme 2
FIX IDENTIFICATION PLATE NEXT TO FILLING POINT
www.ridart.it
Overfill prevention valve Model 442 B EN 13616
Gravity or pumped fill
Min 60 l/min, max 1100 l/min
Hose will kick when device closes in tank
Close valve on truck and allow hose to drain
Wait one minute for valve depressurization
WARNING
STOP THE DELIVERY AND DO NOT OPEN THE VALVE
otherwise tank may fill to max capacity and hose may require
30 min per meter to drain.
WARNING:
THE VALVE OPENS AUTOMATICALLY TO DRAIN HOSES
Any maintenance activities must be carried out solely by specialized staff and according to the procedures defined by the general
instruction manual and only with tools in conformity with the provisions of Appendix A of the EN 1127-1 or by ensuring the absence
of an explosive atmosphere.
