recommended for upgrading positions with pumps NV, NV-E, 12NA9x4 and others;
main application - pumping of polluted water and oil products (and their mixtures) with viscosity up to 100 cSt from underground drainage tanks;
volumetric content of solid inclusions in the pumped medium up to 3%, size up to 10 mm;
operating temperature from minus 60° to plus 80°?;
immersion depth up to 9 m;
do not require maintenance and control, including additional protective automatics;
can be installed outdoors without a canopy (clim. var. UHL1);
equipped with explosion-proof electric motor;
material of submersible and flowing parts - steel 35???, 09G2S;
two mechanical seals with an intermediate chamber filled with shut-off liquid;
a device for controlling leakage of sealing liquid from the chamber between mechanical seals;
hermetic "dry" column with ball bearing supports filled with grease;
are manufactured according to TDFA.062621.100.TU;
correspond...
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