BUCHI Rotavapo R-100 - Manual (Page 9)

BÜCHI Labortechnik AG Safety | 2
Operation Manual Rotavapor® R­100 9/60
2.4.2 High internal pressure
The evaporation of fluids can produce high pressures inside the flask or the con­
denser. If that pressure becomes too great, the glass components could explode.
u Make sure that the internal pressure inside the glass components is never greater
than atmospheric pressure.
u When distilling without a vacuum, set the vacuum pump to atmospheric pressure
so that excess pressure is automatically dissipated.
u If a vacuum pump is not used, leave the vacuum connection open.
2.4.3 Hot surfaces and liquids
The heating bath, evaporating flask and parts of the condenser can become very hot.
If touched they can cause skin burns.
u Do not touch hot surfaces or liquids or else wear suitable protective gloves.
2.4.4 Glass breakage
Broken glass can cause severe cuts.
Damaged glass components may implode if subjected to a vacuum.
Minor damage to the ground joints impairs the sealing effect and may therefore reduce
diminish distillation capacity.
u Handle the flask and other glass components carefully and do not drop them.
u Always place the flasks in a suitable holder when they are not mounted on the Ro­
tavapor.
u Always visually inspect glass components for damage every time they are to be
used.
u Do not continue to use glass components that are damaged.
u Always wear protective gloves when disposing of broken glass.
2.4.5 Rotating parts
The evaporating flask and the vapor duct are rotated by the rotary drive unit. Hair,
clothing or jewelry can become caught up if allowed to come into contact with the ro­
tating parts.
At high speeds, the heating fluid may be sprayed out by the rotation of the evaporating
flask.
u Wear work overalls or protective clothing.
u Do not wear loose or baggy items of clothing such as scarves or neck­ties.
u Tie up long hair.
u Do not wear jewelry such as necklaces or bracelets.
u At high speeds and/or high temperatures, use the optional safety guard or a similar
protective arrangement.
2.4.6 Faults during operation
If a device is damaged, sharp edges or exposed electrical wires can cause injuries.
u Regularly check device for visible damage.
u If faults occur, switch off the device immediately, unplug the power cord and inform
the operator.
u Do not continue to use devices that are damaged.
2.5 Personal protective equipment
Depending on the application, hazards due to heat and/or corrosive chemicals may
arise.