Instruction Manual
Page 6 of 20
Issue: 3.5
H:\SERVICE MANUALS\FLUID HANDLING\AGITATORS\Agitator Rotary Unit Electric Nord R3.5.doc
ATEX Conditions for Use
- Section 2.2
ATEX Certification: Agitator Shaft and Mounting Assembly. (Cat. 1)
Model 106946; 106948
Special Conditions for Safe use.
The ancillary Electric motor plus the connecting Gearbox used to power the agitator shaft must be
adequately rated for the intended use and be declared conformant for the category of the
equipment and potentially explosive atmosphere.
Installer shall ensure that the mixing vessel the agitator is attached to does not contain by mass
greater than 7.5% in total of magnesium, titanium or zirconium.
Operator shall ensure that there is less than 1 Ohm resistance between metallic parts of the
mounting assembly and agitator shaft to the mixing vessel.
Operator shall ensure the mixing vessel is adequately bonded to the main protective earth.
Operator shall ensure greater than 50 mm clearance exists between the tip of the paddle and the
side wall of the mixing vessel.
Operator shall ensure greater than 50 mm clearance between the bottom of the tank and lowest
part of the agitator paddle or shaft.
Operator shall visually inspect the shaft for signs of damage or distortion that may reduce the
clearance requirement.
ATEX Certification: Motor (Cat. 2)
Model
Technical File Reference 600028
Certificate number TRL04ATEX91055X
Ta = -20°C to +40 °