Nortec Steam Distributors - Manual (Page 6)

3 | Steam Distributors Installation Manual
Table 1:. Steam Line Material
Steam Hose Copper Tube Stainless Steel Tube
Short run < 10 feet (3 m)   
Long run > 10 feet (3 m)  
Di / RO water 
Table 2: Recommended Material And Size For Steam Run
Load Steam run
Steam line material Steam line description
lb/hr kg/hr ft m
0-30 0-13 0-10 0-3 Copper tube ¾” med-l tubing (7/8” o.d.)
0-30 0-13 10+ 3+ Copper tube 1” med-l tubing (1 1/8” o.d.)
0-30 0-13 0-10 0-3 Stainless steel tube 7/8” tube x 0.049” thick
0-30 0-13 10+ 3+ Stainless steel tube 1 1/8” tube x 0.49” thick
30-100 13-45 0-20 0-6 Copper tube 1 ½” med-l tubing (1 5/8” o.d.)
30-100 13-45 20+ 6+ Copper tube 2” med-l tubing (2 1/8” o.d.)
30-100 13-45 0-20 0-6 Stainless steel tube 1 3/4” tube x 0.065” thick
30-100 13-45 20+ 6+ Stainless steel tube 2” tube x 0.065” thick
Please note that options shown in a bold-italic font requires that reducers be used at both ends. These extra
large sizes are to allow for better condensation removal in long steam runs. These sizes cannot be
connected to either the humidifier or distributor using the supplied hose couplings.
Table 3: Recommended condensate line at distributor(s)
Dispersion Method Condensate Hose Copper Tube Stainless Steel Tube
1 x steam
distributor 3/8”
Nortec 1328840
1/4” med-l tubing
(3/8” o.d.)
3/8” tube
0.049” thick
3 x steam
distributor 3/8”
Nortec 1328840
1/2” med-l tubing
(7/8” o.d.)
5/8” tube
0.049” thick
*when using more than one distributor, the condensate line should be trapped before joined together.