Atlantic Boilers RS TURBOFLOW DN 65 S180+ Посібник з експлуатації та обслуговування - Сторінка 13
Переглянути онлайн або завантажити pdf Посібник з експлуатації та обслуговування для Промислове обладнання Atlantic Boilers RS TURBOFLOW DN 65 S180+. Atlantic Boilers RS TURBOFLOW DN 65 S180+ 18 сторінок. Plate heat exchangers
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Fig.6
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Initial plate
Initial plate
of
an
Cut two gaskets along the vertical axis and use the two parts
Cut two gaskets along the vertical axis and use the
with sealing rings inside the holes (Fig.8) to form a complete
two parts with sealing rings inside the holes (Fig.8) to
initial gasket. Discard the other two halves.
form a complete initial gasket. Discard the other two
halves.
• The half of the gasket for which it is possible
to correctly place all Plug-In® tabs in their
corresponding notches, can be mounted as
described in 5.7.1.
• On the other half, use shears to remove all the
Plug-In® tabs and, if present, all the connecting
bridges between the diagonal and the sealing ring
(Fig.9 b).So, following the procedure described in
point 5.7.3, attach the gasket, excluding the sealing
rings.
Intermediate turning plate
(for multi-pass heat exchangers only) and end plate
1. Models equipped with Plug-In® tabs inside the
sealing rings: using shears, cut the Plug-In® tabs
inside the sealing rings (Fig. 9 c) corresponding to
the closed holes only. Then, following the procedure
described in point 5.7.3, attach only the connecting
bridges between the diagonal and the ring.
2. Models without Plug-In® tabs inside the sealing
rings: no cutting is necessary; proceed as described
in point 5.7.1.
NOTE: On some models it might be necessary to
remove all the Plug-In® tabs (not only those inside
the sealing rings). In this case, if permitted, remove
the entire gasket.
A: Leak detector vents
are notches in the
surfaces of the gasket
sections around the
portholes which
vent any leaks to the
atmosphere so that
they can be detected.
Fig.7
Fig.8
Fig.9
• The half of the gasket for which it is possible to correctly
place all Plug-In® tabs in their corresponding notches, can
be mounted as described in 5.7.1.
• On the other half, use shears to remove all the Plug-In®
tabs and, if present, all the connecting bridges between the
diagonal and the sealing ring (Fig.9 b).So, following the pro-
cedure described in point 5.7.3, attach the gasket, exclud-
ing the sealing rings.
NOTE: For the DN200 models it is recommended, if
permitted, to attach the entire gasket.
5.7.3 - Gluing
• Using the appropriate epoxy glue (supplied as a
spare part, on request), spread a strip of glue (2-3 mm)
onto the plate in the gasket slot.
• Leave to dry for 5 minutes in a suitably ventilated
room, then position the gasket on the plate, making
sure that it is perfectly contained in the slot and that
there is no excess glue escaping from the slot.
• Place a counterweight on the glued plates (without
deforming the plastic), ensuring that the whole gasket is
evenly compressed for at least 2 hours.
N.B. Some particular standards (e.g. ACS Attestation
de Conformité Sanitaire) may prohibit direct contact
between fluid and glue. If this is the case, do not glue
the parts of the gasket which could come into direct
contact with the fluid.
WARNING: Always follow the mandatory general
standards for personal protection, in particular: avoid
contact with the eyes, use an appropriate protective
mask to protect against inhalation hazards and wear
gloves.
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