Specifications

Installation & Maintenance Manual__________
12
3.5 Installation of Duct Steam Distributors
NOTE: If the ventilated steam distributor is to be used, then go to section 1.4.1B.
Each unit has 1-5/8” (40 mm) diameter steam outlets on top. Some units have multiple outlets. The duct
distributors and steam hose must be matched in size to the diameter of the steam outlets for the units:
Quantity per Unit
Humidifier Steam Outlets, mm 40 2x40 4x40
Humidifier Steam Outlets, inches 1-5/8 2x1-5/8 4x1-5/8
Duct Width
Inches
Distributor Length
Inches
Ordering
Code
Description
UG 045
UG 090
UG 180
40 mm Duct Distributors:
24 23.7 DP060D40RU
Duct steam distributor, 40mm, 24'', 99 lbs/hr
1 2 4
36 33.5 DP085D40R0
Duct steam distributor, 40mm, 36'', 103 lbs/hr
1 2 4
48 41.4 DP105D40R0
Duct steam distributor, 40mm, 48'', 103 lbs/hr
1 2 4
60 49.3 DP125D40R0
Duct steam distributor, 40mm, 60'', 103 lbs/hr
1 2 4
72 65 DP165D40R0
Duct steam distributor, 40mm, 72'', 103 lbs/hr
1 2 4
84 80.8 DP205D40R0
Duct steam distributor, 40mm, 84'', 103 lbs/hr
1 2 4
Distributor pipes should be mounted per the diagrams shown below, with a minimum of 6” from the center of
the distributor pipe to the top of the duct and 3” minimum to the bottom.