Heidolph Hei-FLOW Core Notice D'instructions page 87

Attachments
PTFE fittings
The connection of tube pieces and the tubes supplied as meter goods to the two stop
tubings is made via PTFE fittings (for details of the available accessories, see homepage
www.heidolph-instruments.de):
Fittings for tubes with inner diameter
up to 1.4 mm
➜ Insert the tube ends through the union
nuts.
– Make sure that the threaded side of
the union nut faces the open end of
the tube!
➜
Slide three O-rings on each open end of
the tube, see figure for location.
➜ Screw the union nuts of the tube ends
to be connected onto the fitting with
hand force.
Fittings for tubes with inner diameter
from 1.4 mm
➜ Insert the tube ends through the union
nuts.
– If necessary, cut the end of the
tube at an angle to facilitate
inserting.
– If necessary, cut the end of the
tube straight again after inserting!
– Make sure that the threaded side of
the union nut faces the open end of
the tube!
➜ Slide a ferrule on each open end of the
tube, see figure for arrangement.
➜ Insert the tube ends with the ferrule
inserted into the fitting from both sides.
➜
Screw the union nuts of the tube ends
to be connected onto the fitting with
hand force.
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