Steam Distributing Coils

For use when entering air temps are below 40F degs. Most coils offered with pitched casing so condensate does not lay in the coil. Available in both 5/8” OD tubes and 1” OD tubes.

Also known as "non-freeze", steam distributing coils are a different coil than standard steam because they are built with a tube within a tube construction. The steam on the inner tube keeps the condensate in the outer tube from freezing. The purpose of the original coil design was to distribute the steam evenly along the length of the coil and to eliminate and dead spots on the coil. A byproduct of this coil was also found. The coils didn’t freeze nearly as easily as the standard steam coil, so the coils became known as “non-freeze”, which is mostly correct, but not entirely. Any coil can freeze under the right conditions. But, this design is what needs to be used when the entering air is under 40F degrees. Steam distributing coils can be manufactured in 5/8” OD w/ 3/8” inner tube or 1” OD w/ 5/8” inner tube. Carrier, Trane, McQuay, York/JCI, Heatcraft are all manufacturers that we can easily duplicate often at a fraction of the cost of a new coil from the OEM and twice as fast. Acceptable coils are to have ARI Standard 410 certification and bear the ARI symbol. Non-certified coils or coils outside ARI’s rating range will be considered if the manufacturer is a current member of the ARI air-cooling and air-heating coils certification program and the coils have been rated in accordance with ARI Standard 410.

Shipping

With our Quick Ship Program, Capital Coil & Air has some of the fastest manufacturing and shipping times in the industry. Explore our shipping options for Steam Distributing Coils.

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Shipping OptionCost
10 Business Days 20% Premium
5 Business Days 40% Premium
3 Day, 2 Day, Overnight Call for Pricing

Tubes

Tube MaterialSizeThickness
Aluminum 5/8" .049" .065"
Brass 5/8" .049" .065"
Carbon Steel 5/8" .049" .065"
Copper 11/2"
25/8"

35/8" (non-freeze)
47/8"
51" (non-freeze)
1.017" .025"
2.020" .025" .035" .049" .065"
3.017" .025"

4.017" .025"
5.017" .025"
Cupro Nickel 15/8"
27/8"
1.035" .049" .065"
2.035" .049" .065"
Stainless Steel 15/8"
27/8"
1.035" .049" .065"
2.049" .065" .109"

Fins

Fin MaterialThickness
Aluminum .006" .008" .010" .016" .030"
Carbon Steel .012"
Copper .006" .008" .010"
Cupro Nickel (90/10) .010"
Stainless Steel (304/316) .010"

Casing

Casing MaterialThickness                  
Aluminum 8 GA.
Galvanized Steel 16 GA. 14 GA.
Stainless Steel 12 GA. 10GA.

Connections

Connection MaterialConnection Type                
Aluminum  
Brass Flanged
Copper M.P.T.
Cupro Nickel Sweat
Steel F.P.T.

PRODUCT Downloads

NameFormatSize
Blank Steam Distributing Coil Drawing.pdfpdf141 KB

Other Resources

NameFormatSize
CoilDimensionGuidelines.pdf pdf 89 KB

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