Nortec MES2 - Manual (Page 19)

Installation | 16
Steam Lines and Condensate Returns
Figure 12: Main Steam Line Requirements
Table 4: Recommended Steam Line Material
Steam Line
Material
Steam Line Length
ft m Steam Line Description
Copper Tube 0-10 0-3 3/4 in MED-L Tubing (7/8 in. OD)
Stainless Steel
Tube
0-10 0-3 7/8 in. Tubing (0.049 W)
Nortec Hose < 10 < 3 Part Number 1328810 (7/8”)
Note: Larger diameter lines should be used for steam runs longer than those listed. Contact Nortec for recommendation and
instructions on proper installation of reducers for larger diameter steam lines.
Table 5: Maximum Recommended Length of Steam Line
Steam Output
(Lb/hr)
Distance
(ft)
Possible Loss
(lb/hr)
Steam Line Size
(in)
5 8 1.0 3/4
10 15 1.5 3/4
1
15
20 2.0 3/4
1
20
25
25 2.5 3/4
1
30
NOTE: 1 Contact Nortec for information on possible losses of other steam line diameters used for longer runs.
2 The use of steam line other then copper, stainless steel tube or Nortec supplied steam line will void the
warranty and may adversely affect the operation of the humidifier
Steam Direction
Steam Direction
Steam D
irection
2 in.
(5 cm)
1 ft (30 cm)
1ft (30 cm)
0.5 in.
(12 mm)
10 Degrees
2 Degrees
Use Appropriate Slope Insulate Pipe
1 in. (2.5 cm) pipe
insulation
MAIN RULES FOR ATMOSPHERIC STEAM LINES
 Slope the steam lines
 Trap condensate (Use full size ‘T’ for Traps)
 Condensate traps must be a minimum of 3 in. (15 cm) in height or duct static
pressure + 2 in. whichever is greater.
 Steam lines must not have any restrictions which could cause back pressure.
 1.0 in. (2.5 cm) pipe insulation recommended.
 Follow recommended materials, size and length see tables.