chemical pump / electric / centrifugal / vertical

NESK range of Argal vertical pumps is made up by semi axial devices ( namely QGN models ) with vertical suction and tangential delivery designed for installation outside of the tank.

QGN pumps address transfer or recirculation of large volume of liquid with a low head requirement, have mechanical transmission with impeller rigidly keyed to the shaft and sealed with mechanical seal with sliding rings.
MECHANICAL SEALS

QGN pump can be fitted with mechanical seals constructed with different materials and layouts depending upon the physical and chemical characteristics of the liquid. Available layouts are:

Single seals lubricated by the liquid pumped;
Double seals flushed with liquid form external source.