Coverco - NF6 motors (no longer in production)

STANDARD WATER APPLICATIONS
SUBMERSIBLE ELECTRIC MOTORS 6'' SERIES NFS6

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The NFS6 submersible motors are 6” rewindable submersible motors which are suitable for water which max. temperature is 35°C and which PH is between 6.5 and 8.0.

The filling liquid is a non-toxic dielectric fluid, which is approved by the F.D.A. (Food and Drug Administration) as well as by other various institutes of pharmacology world-wide.
The coupling dimensions and flange comply with NEMA 6” standards, as these submersible motors are designed for driving 6” borehole (deep well) submersible pumpsthat are in accordance with 6” NEMA standards.
The power supply is three-phase. The output power range is from 4.0 kW (5.5 HP) up to 37 kW (50 HP).
Usually the submersible motors are installed vertically. However, the motors may be installed horizontally provided technical approval for each specific application.

The 6” submersible motors can be installed in boreholes up to 350 m deep.
Rewindability is assured by a design which enables the easy dismantling and assembly of the motors.
In 2002 the NFS6 Series was designed. After long period of laboratory and field tests, it was introduced in the market in end of 2003.

Starting September 2005 it was replaced by the NWS6 series which was further improved beginning 2009 by the market introduction of the new NBS6 series!