Industrial shaft seals

gab.ru
Wear
Берг
sleeves
АБ bergab@ya.ru Тел. (495)-228-06-21, факс (495) 22
Installation
Although installation is simple, it should be
done carefully to achieve the best results.
Before starting, the seal seating on the shaft
should be carefully cleaned and any burrs or
rough spots should be filed down and polished.
Deep wear grooves, scratches or very rough
surfaces should be treated with a suitable metallic
powder epoxy filler. The sleeve must be
positioned on the shaft before the filler has
hardened.
It should also be noted that although
Speedi-Sleeves can be easily installed within
minutes on most shafts, they should not be
placed over splines or keyways etc. on the
shaft. As the thin-walled sleeve has an interference
fit, any disturbances on the shaft
surface may create a similar pattern on the
sleeve surface and the seal will leak.
Choosing the right size
To determine the appropriate sleeve size it is
first necessary to clean the shaft carefully. The
diameter of an undamaged section of the seal
counterface should then be measured in at
least three different planes. The arithmetical
mean of these measurements is used to
choose a Speedi-Sleeve. If the value lies within
the permissible range shown in the product
table for the shaft diameter (da) then the
Speedi-Sleeve will have an adequately tight fit
on the shaft. The sleeve cannot turn on the
shaft and no adhesive is required.
If no suitable sleeve is listed in the product
table then it will be necessary to rework the
shaft to an appropriate dimension. This will
also mean that a new size of seal will be
required. If production quantities are viable,
tailored sleeves can also be produced.
gab.ru 284Берг АБ bergab@ya.ru Тел. (495)-228-06-21, факс (495) 22