Water & Glycol Heating Coils

Water & Glycol Heating Coils

Overview

Hot Water and Glycol Heating Coils

Glycol and hot water coils are ideal for applications where there is a potential to see freezing conditions on either the air side or the fluid side of the coils. These coils have good heat transfer properties, low volatility and provide freeze and bust protection with the proper glycol concentration selection. Both ethylene and propylene glycol solutions are utilized in numerous industrial applications. Propylene glycol is selected where there is potential contact with food, beverage or other consumable products may occur or where reduced toxicity is of an environmental concern. Advanced Coil fluid coils utilizing hot water, chilled water, cooling tower water or a water/glycol mix are ideal for a wide variety of industrial applications such as:

Water & Glycol Heating Coil Applications

  • Make-up air preheating
  • Industrial coolinghot water heating coils
  • Process drying
  • Comfort cooling
  • Heat treatment
  • Dehumidification
  • Area heating
  • Heat dumps
  • Heat recovery

Hot Water Heating Coil Design

For the rigourous applicatons, Advanced Coil designs and manufactures hot water and glycol coils to accommodate the following:
  • Free-floating segmented design accommodates the high-temperature loads and thermal expansion and contraction forces.
  • Unexpanded stainless steel (304 or 316) tubes are well suited for corrosive environments
  • Heavy walled tubes and TIG welded construction allows us to design coils for either high or low temperature and/or high-pressure applications.

Water Cooling Coils

Cooling coils are used in applications where products in the air stream can condense should be designed with an airside face velocity below 500 feet per minute to reduce the potential for entrainment of condensed liquids in the leaving airstream. These coils can be installed in two possible configurations: water cooling coil configurations

In addition to our standard header products, we can also provide coils with removable header access of either one or both ends of the coil. The removable header designs are used when serious tube fouling may be encountered from particulate deposits (e.g. effluents, process water) in the hot water supply or where accessibility is required for inspection and/or cleaning.

Specifications

At ACT we offer a variety of tube and fin configurations which will accommodate virtually any application, regardless of the operating temperatures, pressures or environmental conditions.

If the material that you need for a specific project is not listed below please contact us to discuss your needs.  We have experience using a variety of other materials.

Fins

Fin Spacing
  • 2.5 FPI (fins per Inch) to 10 FPI spacing
Aluminum
  • 0.025” thick half-hard tempered
  • 0.016” thick half-hard tempered
Stainless Steel
  • 0.010” thick 304LSS
  • 0.010” thick 316LSS
Steel
  • 0.010” thick
Copper
  • 0.016” thick half-hard tempered
  • 0.025” thick half-hard tempered
Spiral Fins
  • Embedded, spiral wound, brazed or welded finned tubes are available upon request

Tubes

Steel
  • 0.109” wall (12 gauge) ASTM A214 Welded Steel (S09)
  • 0.109” wall (12 gauge) ASTM A179 Seamless Steel (S09)
Stainless Steel
  • 0.049” wall (18 gauge) ASTM A249 Welded 304LSS (449)
  • 0.083” wall (14 gauge) ASTM A249 Welded 304LSS (483)
  • 0.049” wall (18 gauge) ASTM A249 Welded 316LSS (649)
  • 0.083” wall (14 gauge) ASTM A249 Welded 316LSS (683)
  • 0.049” wall (18 gauge) ASTM A213 Seamless 304LSS (449)
  • 0.083” wall (14 gauge) ASTM A213 Seamless 304LSS (483)
  • 0.049” wall (18 gauge) ASTM A213 Seamless 316LSS (649)
  • 0.083” wall (14 gauge) ASTM A213 Seamless 316LSS (683)

Casings

Types
  • Standard (linked to Casings tab)
  • Baffled (linked to Casings tab)
  • Air Tight  (linked to Casings tab)
  • Slide Out (linked to Casings tab)
Materials
  • Galvanized Steel  16 ga. To 7 ga.
  • 304 Stainless Steel  16 ga. To ¼” thick
  • 316 Stainless Steel  16 ga. To ¼” thick
  • Aluminum  0.060” to ¼” thick

Typical Application Reference Chart

Edit
Typical Application Tube Material Tube Designation Header Material Typical Design Pressure @ Temperature*
Non-corrosive fluids and atmospheres 0.049” wall (18 ga.) 304LSS 449 Welded549 Seamless Sch 40 304LSS 250 PSIG @ 450°F
Water, glycol/water solutions, thermal fluids and corrosive fluids and/or atmospheres 0.049” wall (18 ga.) 304LSS 449 Welded549 Seamless Sch 40 304LSS 250 PSIG @ 450°F
Water, glycol/water solutions, thermal fluids and corrosive fluids and/or atmospheres 0.049” wall (18 ga.) 316LSS 649 Welded749 Seamless Sch 40 316LSS 250 PSIG @ 450°F
High pressure water, glycol/water solutions, thermal fluids and corrosive fluids and/or atmospheres 0.083” wall (14 ga.) 304LSS 483 Welded583 Seamless Sch 40 304LSS 250 PSIG @ 450°F
High pressure water, glycol/water solutions, thermal fluids and corrosive fluids and/or atmospheres 0.083” wall (14 ga.) 316LSS 683 Welded783 Seamless Sch 40 316LSS 250 PSIG @ 450°F
*Higher pressures and/or temperatures are available to meet the specific project requirements

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