Buchi Rotavapo R-220 SE Uživatelský manuál stáhnout pdf (Strana 45)

5 Putting into operation

45 R-220 SE Operation Manual, Version F

5.8 Inlet valve

The inlet valve allows continous feeding and manual aeration (e.g. at foam formation) of the evapo-

rating ﬂask. The feeding throughput is manually adjustable via the thumbscrew.

NOTE

The PTFE seal element inside the valve is a standard spare part and can be exchanged easily accor-

ding to the drawing below.

041388

PTFE inlay

Remove the three allen key screws and pull off the valve head.

The white PTFE seal element (order no. 041388) is equipped with a thread and can be

exchanged easily. Turn counterclockwise to remove the element.

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Buchi Rotavapo R-220 SE Uživatelský manuál Strana 45