Flat-Slab Industrial
Gas Coolers

Large air-cooled flat-slab CO2
gas coolers equipped with quiet,
high-efficiency fans

1.0 / 2.6HP
Fan Motors
1X1 to 2X7
Fan Configuration
177 to
3500 MBH(1)
120 bar (1741 PSI)
(1) Capacity based on fixed conditions. Contact RefPlus for more details.

Main Features:

  • Galvanized steel construction
  • ETL certified (ABD) / CRN certified (GBD)
  • Thermospan coil design
  • Friction-free coil tracks®
  • Smooth tubes
  • Individually baffled fan sections

Fan Features:

  • 31.5 (800mm) high-efficiency industrial fan
  • AC fan motor (High/Low 2.6HP/1HP – 970/680 RPM)
  • Cast-aluminum blades
  • Polymer aerodynamic venturi
  • Standard 2-year warranty on fan motor assembly
  • Excellent sound levels – as low as 41 DBA for a 1-fan wide model at low speed (at 30 ft (9m) from unit)
  • Permanently lubricated


  • Natural CO2 refrigerant
  • Fully customizable
  • Reliable, robust units
  • Low-cost operation

Nomis Selection Software

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Replacement Parts & Service

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The ABD-GBD Series are large flat-slab closed loop industrial dry type CO2 Gas Coolers available in an array of sizes. These units are equipped with 31.5″ (800mm) high-velocity and high-efficiency fans. Headers are made of stainless steel tubes. Available voltages are 208-240/3/60, 480/3/60 or 600/3/60.

These units are extremely robust and reliable. They are specifically designed to withstand severe weather conditions, including heavy snow and high winds. Their low, horizontal profile is optimal for building design integration.

ABD-GBD gas coolers are individually designed for specific jobs. Each unit includes a control box and a wiring diagram that meets the customer’s requirements. The wiring diagram displays all the components with all the protections and the necessary controls. The unit comes without any controls. Fan cycling must be managed by the building’s refrigeration system through a controller such as Micro-Thermo, CPC or others.

These Series have been specifically developed to satisfy a wide variety of applications in commercial and industrial refrigeration sectors as well as in air conditioning.

The selection of a gas cooler can be a complex task, for this reason we recommend you contact our qualified personnel for assistance.

From an environmental standpoint, CO2 is a superior alternative to environmentally-damaging hydrofluorocarbons (HFCs). It is also non-flammable, non-toxic, and less expensive. Learn more about RefPlus CO2 technology.

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