3. Steam distribution
To achieve optimal humidifier efficiency, the steam produced must be introduced into the room
uniformly, in order to prevent the formation of droplets and condensation. This is achieved using linear
steam distributors. The right steam distributor must be chosen according to the place where the steam is
to be introduced.
3.1
Steam nozzles
Compact steam distributors for small ducts or applications such as steam baths. These can be mounted
either horizontally or vertically (steam outlet upwards).
Mounting instructions (see the figure):
l drill a series of holes in the wall of the pipe, using the drilling template supplied with the distributor;
l insert the distributor;
l fasten the distributor flange using four screws.
Fig.3.a
Key:
A. steam inlet
B. condensate drain
C.
steam outlet
The hole dimensions vary depending on the distributor model:
o
model SDPOEM0000: hole to be drilled manually, up to 30 mm (1.2 in) diameter;
o
model SDPOEM0012: hole diameter 12 mm (0.5 in);
o
model SDPOEM0022: hole diameter 22 mm (0.9 in).
D. drilling template
Tab.3.a
Note: if using steam pipes with an inside diameter of 30 mm (1.2 in), remove the 22 mm (0.9 in) inlet
section from the steam nozzle.
3.2
Linear
distributors for
air ducts or AHUs
The steam distributors for AHU (air handling unit) or duct applications (sold separately) deliver steam
along their entire length in order to ensure the shortest not-wetting distance. The distributor must be
chosen based on:
l maximum capacity required;
l dimensions of the AHU/duct;
l outlet diameter on the humidifier it is connected to.
Note: install away from any obstacles (curves, branches, changes in cross-section, grilles, filters, fans).
Minimum distance between distributor and obstacle: 1-1.5 m (3.3-4.9 ft).
24|3. Steam distribution
gaSteam - UG +0300090EN rel. 1.2– 09.10.2018
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