VERTICAL PUMP
RDV - RGV - RCV
RBV - RNV - REV
EN-50
13.3. AUXILIARY CONNECTIONS AND BUSHES/SEAL FLUSHING
(A Exec.) Lubrication through process medium.
Intermediate bearing bushes lubrication through process medium recirculating from the discharge pipe.
Lubrication of the bottom bearing bush is guaranteed by the minimum submergence of the pump
(see the paragraph CHECK OF THE MEDIUM LEVEL IN THE TANK)
(B Exec.) Lubrication through a dedicated line, externally fed.
Connect the bearing bushes (bottom and intermediate) lubrication pipes to an external line and flush them through clean
water at room temperature or through a medium compatible with the bearing bushes material and the process medium.
Flushing pressure must be:
Pf = Pm/3 + 1bar
Flushing medium will dissolve into the tank.
