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Assembly
78
➜
Turn reflux valve clockwise until the
seal ring is clearly visible and white
plug blocks the output to the receiving
flask
✓
The valve is closed, and the sample is
guided back to the evaporating flask.
➜
Turn reflux valve counterclockwise
until the white plug does not block the
outlet to the receiving flask.
✓
The valve is open, and the sample is
guided into the receiving flask.
Reflux valve
Distributor
Ventilation cap
Seal ring
The glassware set is no longer vacuum-tight if the reflux valve is opened
too far. Open the valve only so far that the white seal ring underneath
the knurled screw remains visible about 0.5 cm wide.
Содержание Hei-VAP Expert
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