BUCHI Encapsulator B-390 - Manual (Page 22)

5 Putting into operation
22 B-390 Operation Manual, Version C
5 .4 Assembling of the bead producing unit
The bead producing unit is the central part of the Encapsulator B-390. It is fully autoclavable.
Figure 5-3 shows the different parts of the bead producing unit. The assembled bead producing unit
is attached with the screw  on the carrier plate of the control unit. The vibration unit is placed on the
magnet holder without the need of further attachment.
5 6 4 1 3
9 8
2
7
a Magnet Holder *
 O-Ring (14×1.78)
 Pulsation chamber
 Pre-filter with 50 µm mesh
 O-Ring (3.68×1.78)
 Luer Lock
 Screw M3×8
 Screw M3×25
 Screw M3×6
*with attached fixation ring and
screws M3×5.
You can remove the fixation
ring for cleaning.
Do not remove either the
magnet or the glass fiber
reinforced PTFE mem-
branes!
Figure 5-3: Parts of the bead producing unit
5 .5 Single (inner) nozzles
A high quality nozzle is crucial for homogenous bead production. The holes of the Encapsulator
nozzles are precisely drilled using the newest technology. Every Encapsulator B-390 is delivered with
a set of 8 nozzles; nozzle aperture sizes are 80, 120, 150, 200, 300, 450, 750 µm and 1.0 mm. They
are made completely of stainless steel.
Figure 5-4: Set of 8 nozzles on the nozzle rack
The nozzle rack contains 8 nozzles (80, 120, 150, 200, 300, 450, 750 µm, and 1.0 mm). The size of
the O-ring is 4.47Ч1.78.