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Vent Device mod. 969-9831
The vent device has adjustable delay time (up to
36 min.). This value can be used only with rack
controller.
To install the vent device unscrew and remove the
threaded plug (see figure below).
Screw the flange mod. 969-9108 on the pump, tak-
ing care of the o-ring right position.
Assemble the seal ring and lock the vent device in
position using the KF klamp.
VIBRATION ISOLATOR INSTALLATION
Six vibration isolators for ISO and CFF inlet flange
version pumps are available as accessories.
The four model part numbers are the following:
− model 969-9345 for ISO 160 flange;
− model 969-9346 for ISO 200 flange;
− model 969-9334 for CFF 6" flange;
− model 969-9335 for CFF 8" flange;
− model 969-9336 for CFF 10" flange.
They typically reduce the vibration transmitted
from the TV-551/701 Navigator to the system by a
factor of 20.
Please refer to the relevant instruction manual.
PURGE VALVE INSTALLATION
A gas purge valve is available to protect the pump
bearings against particulate and corrosive gases
that could move into the pump.
To install the gas purge valve it is necessary to
unscrew the purge port cover as shown in the fol-
lowing figure,
70
TECHNICAL INFORMATION
87-900-934-01(G)
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