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Cooling Towers

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Cooling Towers

from Delta Cooling Towers

TM Series™ Cooling Towers

Delta’s TM Series™ induced draft, counter flow design are available in single unit capacities from 250 to 2,000 cooling tons.

Manufactured since 2001, the TM Series™ has been very well received in both commercial and industrial applications.

The modular design allows isolation of cells for operational flexibility.

 Standard Features:
  • Seamless Double Wall Engineered Plastic (HDPE) Shell
  • Corrosion Proof Construction
  • Direct Drive Fan System
  • Totally Enclosed VFD Rated Motors
  • Factory Assembled for Simple Installation
  • 20 Year Shell Warranty
  • PVC Water Distribution System with Non-clog Large Orifice Removable Nozzles
  • High Efficiency PVC Fill
  • Made in the USA

Basic Specs

Premier™ Cooling Towers

Delta’s Premier™ induced draft, counter flow, low profile design is available in single module capacities from 250 to 500 cooling tons.

These towers use the same unitary seamless engineered plastic construction that Delta has been manufacturing since 1997, and have been very well received in both commercial and industrial applications.

Premier’s cost less to install and operate!  The light weight construction reduces rigging and structural roof support requirements. While maintenance and water treatment chemical costs are significantly lowered.

Standard Features:
  • Seamless Engineered Plastic (HDPE) Shell
  • Corrosion Proof Construction
  • Coated Steel Mounting Platform
  • Direct Drive Fan System
  • Totally Enclosed VFD Rated Motors
  • Completely Factory Assembled
  • 20 Year Shell Warranty
  • PVC Water Distribution System with Non-clog Large Orifice Removable Nozzles
  • High Efficiency PVC Fill
  • Made in the USA

Basic Specs

Paragon® Cooling Towers

Delta’s Paragon® Induced Draft, counter flow design is available in single module capacities from 55 to 250 cooling tons.

Manufactured since 1981, the Paragon® tower has been very well received in both commercial and industrial applications.

Paragon’s unique design provides unlimited flexibility of modular operation, future upgrade capability and location convenience.  Unitary molded of  HDPE, these towers are light weight, strong and long lasting, and backed by a 15-year warranty!

Standard Features:

  • Seamless Engineered Plastic (HDPE) Shell
  • Corrosion Proof Construction
  • Direct Drive Fan System
  • Totally Enclosed VFD Rated Motors
  • Factory Assembled for Simple Installation
  • 20 Year Shell Warranty
  • Low Pressure Drop Self Propelled PVC Water Distribution System
  • High Efficiency PVC Fill
  • Made in the USA

Basic Specs

 

Pioneer® Cooling Towers

Delta’s Pioneer® forced draft, counter flow design is available in single module capacities from 10 to 100 cooling tons.

Manufactured since 1971, this unitary seamless engineered plastic design has been manufactured since 1971 and have been very well received in both commercial and industrial applications.

Standard Features:
  • Seamless Engineered Plastic (HDPE) Shell
  • Corrosion Proof Construction
  • Forward Curved Centrifugal Blower with Totally Enclosed Motor.
  • Factory Assembled for Simple Installation
  • 20 Year Shell Warranty
  • PVC Water Distribution System with Non-clog Large Orifice Removable Nozzles
  • High Efficiency PVC Fill
  • Made in the USA

Basic Specs

 

Closed-Circuit Cooling Systems

Certain processes require a closed-loop, whereby the process water for cooling does not come in contact with the atmospheric air.  This prevents  the cooling water from picking up particles that  may not get filtered or even dissolved gases.  Closed-loop cooling requires more energy and has higher initial and life-cycle costs than an open cooling tower, but provides an added protection to expensive processes or chillers being cooled.

For closed-circuit cooling, Delta recommends a cooling tower plus a plate heat exchanger system.  The skid-mounted plate heat exchanger provides a closed-circuit on the hot side of the heat exchanger. The non-corroding Delta cooling tower feeds the cold side of the plate heat exchanger.

Advantages of this system

The advantages of this system over a closed-circuit cooling tower (usually galvanized sheet steel and galvanized steel coil inside a cooling tower box) are:

  • Cost: Typically Costs Less to purchase & operate
  • HP: Less Total HP required, Green solution
  • ASHRAE 90.1: Performance requirements for heat rejection equipment show closed-circuit cooling towers use 2.5 x more HP
  • Warranty: Delta cooling tower has 15-Year casing warranty versus 1-Year on galvanized steel
  • Expandability: Heat Exchanger can handle future load increase by adding plates
  • Maintenance: Heat Exchanger has Stainless Steel plates and is much more accessible than coil for easy cleaning
  • Weight: Delta tower is 3-7 times less weight saving rigging and structure costs
  • Install Flexibility: Heat Exchanger skid can be placed indoors without need to maintain Glycol solutions necessary with outdoor coil
  • Water Treatment: Easier and much less risk with Engineered Plastic Cooling Tower
  • Replacement Cost: Galvanized steel coil replacement cost (labor and material) often exceeds initial unit cost of Closed Circuit Cooling Tower
  • Downtime: Delta system prevents costly downtime. Corrosion is only delayed with galvanizing and wet/dry operation, chemicals, PH fluctuations, salts and other atmospheric conditions can lead to premature failure

Closed Circuit Schematic

Closed Circuit Cooling