
P a g e 4 6 • D R I - S T E E M D e s i g n G u i d e
D R I - S T E E M D e s i g n G u i d e • P a g e 4 7
S t e a m i n j e c t i o n s y s t e m c o m p o n e n t s
a n d o p e r a t i o n
Direct injection of boiler steam
DRI-STEEM’s steam injection humidifiers use steam from an
external source, such as an in-house boiler, an unfired steam
generator, or a district steam system. Basic operation and
components are described in this section. For more complete
information, see the steam injection catalog.
Steam injection components
The drawings and text on the next two pages show a steam
injection model in its most elemental form — the Single-Tube
Humidifier. Each single- or multiple-tube model has the same basic
components: a stainless steel separator, a steam valve, and one or
more jacketed dispersion tubes. For ductless spaces, boiler steam
can be dispersed by the fan of an AREA-TYPE model.
Figure 47-1:
Steam injection humidifiers
MAXI-BANK
CLEAN-STEEM™
Single-Tube
Single-Tube
AREA-TYPE
MINI-BANK
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