35
Planning
Nortec RS
2596995_0_EN_1905
Table 12: Steam Line Recommendations
Model
(Unit size)
Steam Line
Over-sized Steam Line**
Steam
Losses***
Equivalent
Maximum
Steam Line
Length
Copper
Pipe (MED
Type-L)
Diameter
Stainless Steel
(min. DIN 1.4301)
Pipe Diameter
Equivalent
Maximum
Steam Line
Length
Copper
Pipe (MED
Type-L)
Diameter
Stainless Steel
(min. DIN 1.4301)
Pipe Diameter
RS 10
(S)
7 ft
(2 m)
1-1/2 in
(40 mm)
1-1/2 in
(40 mm)
1-3/4 in
× 0.065 wall
(45 mm
× 1.65 mm
wall)
14 ft
(4 m)
2 in
(50 mm)
2 in
× 0.065 wall
(50 mm
× 1.65 mm
wall)
0.06 lb/h/ft
(0.09 kg/h/m)
RS 15
(S)
12 ft
(3.5 m)
24 ft
(7 m)
RS 20
(S)
17 ft
(5 m)
34 ft
(10 m)
RS 30
(M)
22 ft
(6.5 m)
44 ft
(13 m)
RS 45
(M)
43 ft
(13 m)
86 ft
(26 m)
0.11 lb/h/ft
(0.18 kg/h/m)
RS 65
(M)
RS 90
(M)
47 ft
(14 m)
94 ft
(28 m)
RS 90 *
(L)
43 ft
(13 m)
86 ft
(26 m)
RS 130 *
(L)
RS 180 *
(L)
50 ft
(15 m)
100 ft
(30 m)
Condair Steam Hose
RS 10-
RS 180
10 ft
(3 m)
P/N 1328820 – 1-3/4 in (45 mm)
0.15 lb/h/ft
(0.22 kg/h/m)
* Use a single steam line for each steam cylinder. Do not combine lines except at a distributor, and only if using the humidifiers in parallel
mode.
** Over-sized lines may require a reducer at the humidifier and the steam distributor.
*** Based on 1 in (25 mm) insulated copper pipe.
Table 13: Approximate Equivalent Length of Atmospheric Steam Line Fittings
Nominal
Tube Size
in (mm)
Standard 90°
Elbow
ft (m)
45° Elbow
ft (m)
Side-outlet
Tee
ft (m)
0.75-0.875
(19-22)
2 (0.6)
1 (0.3)
4 (1.2)
1.5-1.75
(38-45)
3.5 (1.1)
1.75 (0.5)
7 (2.1)
3 (76)
5 (1.5)
2.5 (0.8)
11 (3.4)
4 (102)
8 (2.4)
4 (1.2)
15 (4.6)
