DriSteem Vaporstream Specifikace Strana 67

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P a g e 6 2 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 6 3
P i p i n g a n e v a p o r a t i v e
h u m i d i f i c a t i o n s y s t e m
The drawing below shows a typical piping configuration for an
evaporative system. For detailed information about how to pipe a
specific DRI-STEEM evaporative humidifier, see the Installation
Guides available by product in DRI-CALC.
Figure 63-1:
Fill, drain and condensate return piping for a typical evaporative humidifier
Optional
condensate
return
piping from
dispersion
unit
Air vent
tube
6"
(152 mm)
" (DN20) minimum
condensate drain piping
rated for 212 °F (100 °C)
Install level
Install level
Steam vapor outlet
Shock arrester recommended to eliminate water hammer, by installer
Water supply line; water pressure range 25 psi to
80 psi (172 kPa to 582 kPa); water conductivity
minimum 100 µS/cm (2 gpg)
" (DN20) min. drain, skim and overow
piping rated for 212 °F (100 °C)
If run is over 10' (3 m), increase pipe to 1"
(DN32)
Flow line of drain piping after the water
seal must be below the drain valve to
ensure that humidier drains correctly
1" (25 mm) air gap
Open oor drain. Refer to
governing codes for drain
pipe size and maximum
temperature requirements.
H1
Pitch 1/8"/ft
(1%)
" (DN20) pipe
thread dispersion
unit condensate
return inlet
Table 63-1:
Heights required to overcome humidifier internal pressure
(H1 and H2)
Unit output Water seal height (H1) Air vent height (H2)
kW lbs/hr kg/h inches mm inches mm
48 138 62 12 305 22.5 572
49-64 139-183 63-83 15 381 27.5 699
> 64 > 183 > 84 18 457 30.5 775
H2: Air vent
height must
be equal to or
greater than
H2 (see table
below)
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