Complete Bac Cooling Tower Parts Breakdown

Here is a complete BAC (Baltimore Aircoil Company) cooling tower parts breakdown, organized by section so you can quickly identify components commonly used in Series 1500, Series 3000, FXV, CXV, PT2, and modular towers.

BAC Cooling Tower Parts Breakdown

1. Fan & Air Movement System

* **Axial fan blades** (aluminum, FRP, or airfoil)

* **Fan hub**

* **Fan cylinder / fan stack**

* **Fan guard**

* **Fan shaft**

* **Bearing assemblies**

* **Bearing lubrication lines**

* **Vibration switch / sensor**

Drive Options

* Geareducer® (BAC gear drive)

 * Gearbox

 * Input shaft

 * Output shaft

 * Oil sight glass

 * Oil heater (cold climates)

* Belt drive system (on older/smaller BAC units)

 * Motor sheave

 * Fan sheave

 * V-belts

* Direct Drive EC Motor (newer models)

2. Motor Assembly

* **TEFC or Totally Enclosed Air Over (TEAO) motor**

* **Motor base / motor slide rails**

* **Motor weather hood**

* **Coupling** (for gear-driven units)

* **VFD (optional)**

3. Water Distribution System

Counterflow (Series 1500, 3000):

* **Spray nozzles** (BAC Spray Nozzle “FT”, “Trillium”, “PerfectFill”)

* **Spray branches/manifolds**

* **Hot water piping**

* **Distribution basin covers (optional in some models)**

Crossflow (PT2, FXT, Series V):

* **Hot water basins**

* **Basin covers**

* **Orifice plates**

* **Basin weirs**

* **Screens (removable strainers)**

4. Fill Media (Heat Exchange Surface)

* **BAC Modular Film Fill (CF1900, CF2600, CF3150 series)**

* **Splash fill types (for dirty water applications)**

 * **TRI-PACK, AccuPac, or Bar-type splash media**

* **Fill supports / grids**

5. Drift Eliminators

* **BAC “BACross” drift eliminators**

* **Eliminator frames**

* **Clips / hardware**

6. Air Inlet Section

* **Air inlet louvers (PVC)**

* **Louver frames**

* **Debris screens**

* **Support brackets**

7. Cold Water Basin

* **Basin floor & panels**

* **Low water cutoff switch**

* **Strainer screens**

* **Suction connection (inlet to pump)**

* **Make-up valve assembly**

 * Mechanical float valve or electric level control

* **Overflow connection**

* **Drain connection**

* **Sump plug**

8. Casing & Structural Components

* **Casing panels (Zinc-coated steel, Stainless, or Baltibond)**

* **Access doors**

* **Support beams**

* **Cross-members**

* **Handrails**

* **Ladders & safety cage**

* **Walkways**

* **Fan deck**

9. Heat Exchanger (Closed-Circuit Models Only – FXV, CXV, TrilliumHybrid)

* **Coil bundle (Serpentine or Elliptical tube)**

* **Coil support frames**

* **Coil connection headers**

* **Coil access panel**

10. Controls & Sensors

* **Makeup water controller**

* **Basin heater (cold climates)**

* **Thermostat & cutout switches**

* **Vibration switch**

* **Fan cycling controls / VFD controls**

* **Motor starter**

* **Water conductivity controller (optional)**

11. Accessories / Optional Components

* **Access platforms**

* **External ladders**

* **Sound attenuation kits**

 * Inlet sound attenuators

 * Discharge sound attenuators

* **Winterization kits**

* **Bleed (blowdown) assembly**

* **UV disinfection modules**