Nortec SE Series - Manual (Page 20)

17 | Installation
Steam Lines and Condensate Returns
Figure 12: Main Steam Line Requirements
Table 5: Recommended Steam Line Material
Steam Line
Material Lb/hr (kg/hr)
Steam Line Length
ft m Steam Line Description
Copper Tube
0-100 (0-45) 0-90 0-27 1 1/2 in. MED-L Tubing (1.625 in. OD)
101-250 (46-113) 0-180 0-54 3 in. MED-L Tubing (3.125 in. OD)
251-650 (114-295) 0-260 0-79 **4 in. MED-L Tubing (4.125 in. OD)
*Stainless Steel
Tube
0-100 (0-45) 0-90 0-27 1.75 inch Tube x 0.065 inch thick wall
101-250 (46-113) 0-180 0-54 3 inch Tube x 0.065 inch thick wall
251-650 (114-295) 0-260 0-79 **4 inch Tube x 0.065 inch thick wall
Nortec Hose 31-100 (14-45)** <15 <4.5 ***Part Number 1328820 (1 3/4”)
Note: * Use only stainless steel tube for reverse osmosis and deionized water applications.
** Use 2 x 4 in. steam lines for steam capacities higher than 750 lb/hr (307 kg/hr)
*** Use one steam hose per 100 lb/hr (45 kg/hr) of output.
Steam Direction
Steam Direction
Steam
Direc
tion
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).

Steam lines must not have any restrictions which could cause back pressure.

Insulate with 1.0 in. (2.5 cm) pipe insulation.

Follow recommended materials, size and length see tables.
Steam Hose Odour: Nortec hose may generate a slight odour during initial use. This
odour is temporary and will disappear after a short period of time.