Buchi Rotavapor R-200, Руководство по эксплуатации

Страница: 17 / 60

17
BÜCHI Rotavapor R-200/205
"
!
#
'
&
$
%
4 Putting into operation
4.11 Tube connections
Cooling water
• Use GL-14 screwed connections
• The tubes used must all have the same inside diameter
(approximately 6 mm)
• For safety reasons, the tubes are to be secured with
commercial tube pivoting clamps or cable binders.
• To save cooling water, a recirculating chiller can be used.
• Brittle tubes are to be replaced.
Vacuum
• Use GL-14 screwed connections
• The tubes used must all have the same inside diameter
(approximately 5 mm)
• Keep vacuum tubes as short as possible.
• If no Büchi Vacuum Controller is used, a Woulff bottle is to
be connected between the vacuum source and Rotavapor.
• If a Büchi Vacuum Controller is used, a valve unit should
be connected.
• Tubes do not need to be secured.
• Brittle tubes are to be replaced.
!
Glass assembly
"
Vacuum sensor (to valve unit
&
)
#
Valve unit
$
Connection to glass assembly
%
Connection to pump
&
Connection to Vacuum Controller
'
Connection for inert gas
The separator of the valve unit or a Woulff bottle serves as
safety, so that contamination, solvent or water (if a water jet
pump is used) cannot pass through the tubing neither from
the vacuum source into Rotavapor nor vice versa.
Picture 16: R-200/205 with Vacuum Controller