Specifications

11
Examples of mounting a dispersion tube
Figure 11-1: Mounted horizontally in duct
Vapor hose
Vapor hose and dispersion tube should be pitched
back to the humidifier with a gradual slope of 15%.
A single dispersion tube cannot be used with
VM-30 or VM-34.
OM-228-1
Figure 11-2: Mounted horizontally in duct and
lower than HUMIDI-TECH unit
This is not recommended on models VM-10
through VM-34.
IMPORTANT NOTES: When duct is located more
than 3 m away from unit, vapor hose is not recom-
mended; DN40 minimum hard pipe should be used
instead. VM-30 and VM-34 must use a multiple tube
steam dispersion system.
OM-230-1
A water seal must be located in drain line as shown
to maintain steam pressure. A single dispersion
tube cannot be used with VM-30 or VM-34.
Figure 11-3: Mounted vertically
150 mm
min.
Tee
OM-229-1
75 to125 mm (150 to 300 mm for
VM-21, VM-25, VM-30 and VM-34)
DISPERSION USING DISPERSION TUBES
Model
Capacity
kg/hr
Vapor hose
DN
VM 2-10 up to 13.5
DN40 hose kit
without drain
VM 12-16 up to 26
DN40 hose kit
with drain
VM 12-16 over 26
DN50 hose kit
without drain
VM 21-25 up to 38.5
DN50 hose kit
with drain
VM 30-35
These models require
multiple tube assemblies.
Table 11-1: Vapor hose sizing
VM99-C-0400-M-0801.pdf 11 11/19/2009 9:51:54 AM