Centrifugal Fans AT belt driven - Nicotra Gebhardt
Centrifugal Fans AT belt driven - Nicotra Gebhardt
Centrifugal Fans AT belt driven - Nicotra Gebhardt
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Fan Sets<br />
Base Frame with Belt Tensioning Device<br />
G2Z-component size 0200/-0500 (only RZR 11/19)<br />
G1Z-component size 0400/-0710<br />
G1Z-component size 0800/-1600<br />
Pick-A-Back<br />
This compact base frame with integrated motor tensioning slider provides optimum<br />
compactness and easiest handling.<br />
A The base frame made of galvanized sheet steel is screwed directly onto the fan<br />
(without any casing feet) – the result being the low overall height of the system.<br />
A The overall length depending on the casing position and size of the motor is a<br />
further factor influencing the optimum compactness.<br />
A The integrated tensioning slider considerably simplifies re-adjustment of the <strong>belt</strong><br />
drive during maintenance and service work.<br />
The base frames up to motor size 180 are manufactured from galvanized CC-profiles.<br />
The anti-vibration mounts in the CC-profile provide infinitely variable adjustment.<br />
From motor size 200 the base frames are of U-profile, welded and painted.<br />
Fitted motor tensioning tracks that allow the motor to be shifted longitudinally, allow<br />
for the simple adjustment of the <strong>belt</strong> tension.<br />
Base frame of stable U-profiles, welded and painted, with holes for attaching the antivibration<br />
mounts.<br />
Fitted motor tensioning tracks that allow the motor to be shifted longitudinally, allow<br />
for the simple adjustment of the <strong>belt</strong> tension.<br />
Equipment<br />
A FKS hot-dip galvanized for U-profile base frame<br />
Belt Driven <strong>Centrifugal</strong> <strong>Fans</strong> / Fan Set<br />
This allows the motor to be fixed directly onto the fan casing, where space around<br />
the fan is limited. One side of the pick-a-back is fixed to the casing so that it swivels,<br />
while the other is supported on a spindle. Thus the pick-a-back becomes adjustable<br />
to leave room for tensioning the drive <strong>belt</strong>. The various motor arrangements and<br />
casing positions are shown in the drawings.<br />
The accompanying tables also show the maximum permissible motor sizes.<br />
When using a pick-a-back arrangement and fitting anti vibration mounts (AVM) an<br />
additional base frame for fitting the AVM may be required depending on the position<br />
of the centre of gravity of the whole fan set.<br />
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