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6.3. Con nec ti on to a Pneu ma tic Con vey ing Sys tem (Op tio nal)
Your dry ing fa ci li ty works best in com bi na ti on
with a pneu ma tic con vey ing sys tem. In this
way, your dry ing hop per will al ways be supp -
lied with suf fi cient ma te ri al.
The fa ci li ty will only take as much ma te ri al as
is re qui red by the pro ces sing ma chi nes. The -
re fo re, the dry ing re sult will al ways be the
same.
Ster ling dry ing hop pers are equip ped with a
suit ab le flan ge for ad ding a Ster ling pneu ma -
tic con vey or.
Suc ti on bo xes with one or three suc ti on tu -
bes can be supp lied as well (op tio nal). The se
suc ti on bo xes are de ve lop ped spe ci fi cal ly for
this type of hop per.
The loa ding of the con vey ing line with ma te ri -
al is ad jus ted by clo sing or by ope ning of the
con trol co ver (A).
6.4. Re turn Air Coo ler (Op tio nal)
F
A re turn air cooler must be em ployed if the re turn air tem per a ture is
higher than +65 °C (149°F).
A re turn air coo ler im pro ves the ef fi cien cy of the dry ing cells.
&
The lo wer the re turn air tem pe ra tu re, the bet ter the ef fi cien cy of the dry -
ing cells.
The re turn air coo ler can be con nec ted to a coo lant cir cuit or to the wa ter mains net work.
506-2MS
STT 110 / STT 160
Functio nal des crip ti on 6-7
Suc ti on box
A