Niro Soavi S.p.A
Cooling air is discharged through grids, situated on the top of the machine,
controlled by a fan of suitable size for free discharge (not for all models).
In case the discharged air needs to be conveyed via ducts, please contact
NIRO-SOAVI's Technical Office for details.
WARNING: No device designed to throttle, whether totally or in part, the
delivery pipe, is allowed to be installed downstream the machine, as this
may cause risk of excessive pressure in the pipes and compression head.
In fact, the machine has been designed to withstand output
counterpressures not bigger than those indicated in the Technical
Specifications, Section 10 but, as this is a positive-displacement pump it
can create dangerous overpressure which can burst the pipes
downstream the machine when the outlet is closed for the liquid flow.
WARNING: For safety reasons we recommend you ALWAYS install a
safety valve downstream the machine to protect the line and users. You
should also ensure that all the valves used downstream the machine are
NORMALLY OPEN valves, so that they will not close in case of accidental
stops or emergency power down, or power failures. The machine has
been designed to have a certain level of inertia, so it will go on pumping
even after the main motor has been disconnected..
FIGURE 2.8.2
2C001E0C.DOC 2.8.5
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