Evapco Inc.

- Model ESWA - Closed Circuit Cooler

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Ideal solution for reduced height and weight applications. EVAPCO is proud to be the first to develop a closed circuit cooler with patented Combined Indirect and Direct Cooling technology. The ESWA closed circuit cooler design combines both PVC fill and a closed circuit coil, making this unit ideal for wet cooling applications where thermal and energy efficiency is of utmost concern and the ideal solution for strict height and weight applications. Utilizing EVAPCO's patented Sensi-Coil Technology featuring CrossCool Internal Tube Enhancement, the ESWA is incredibly efficient, providing excellent cooling capabilities using reduced horsepower and a more compact box size.

  • Incredibly energy efficient, maximizing capacity in the smallest footprint and lowest connected horsepower
  • Unique design eliminates need for a discharge hood with dampers and reduces freezing concerns during winter months
  • Reduced footprint, excels where space is a concern
  • Ideal for replacing older, inefficient and outdated units
  • Ranging in capacity from 2,370 to 11,312 MBH
  • IBC Compliant – Independently certified by the International Building Code to withstand seismic and wind load forces in North America
  • Independently certified by the Cooling Technology Institute

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The process fluid enters the cooler through the top coil connection and circulates through the coil with the fan energized. The fluid in the coil transfers its heat through the coil tube walls in a sensible exchange to the spray water that floods over the tubes. Having gained heat from the coil, the spray water then falls to the sump where it is circulated to the top of the unit, the spray water is then distributed as a thin film over the fill-deck surface for maximum cooling efficiency. The fan system operates simultaneously, moving large volumes of air through the unit in a direction opposite the falling water. The air and water contact directly across the fill-deck surface whereupon a small portion of the spray water is evaporated, removing heat from the system. The cooled spray water exits the fill-deck module and floods across the coil, repeating the cycle.

Patented Sensi-Coil Technology

  • An innovation of the already powerful Thermal Pak II® coil
  • Increases total coil surface area by 20%
  • Features EVAPCO’s patented CrossCool™ Internal Tube Enhancement, increasing heat transfer

Drift Eliminators

  • Limits the drift rate to less than 0.001% of the recirculating water rate
  • Limit the potential of spreading Legionella
  • Constructed of an inert polyvinyl chloride (PVC)

Superior Air Inlet Louver and Screen Design

  • Constructed of an inert polyvinyl chloride (PVC)
  • Two pass design that minimizes splash-out and the potential for algae formation inside the tower
  • Framed in steel in easily removable sections

Pressurized Water Distribution System

EVAPCO's Evapjet® spray nozzle remains clog free while providing even and constant water distribution, providing the industry's best performing non-corrosive, maintenance-free water distribution system.

  • Enclosed and completely protected by the casing panels and drift eliminators
  • Design eliminates the problems of biological growth and clogging that can occur with other system designs
  • Mounted in corrosion-free PVC water distribution pipes that have threaded end caps
  • Provides unparalleled fill coverage

Stainless Steel Water Touch Basin

  • Available in Type 304 or Type 316 Stainless Steel
  • Includes the entire basin area including the support columns and the louver frames
  • Welded basin seams for leak-free operation

Stainless Steel Casing & Fan Section

  • Available in Type 304 or Type 316 Stainless Steel
  • Includes the entire upper section including fan guard

Stainless Steel Sensi-Coil®

Stainless Steel Coils provide Superior corrosion resistance for hostile environments and is available with the standard EVAPCO lead time! The EVAPCO 304 SST coil option can be manufactured as an ASME coil and is CTI certified.

  • Available in Type 304 or Type 316 Stainless Steel

Sound Sensitive Installations

Available with multiple equipment options to reduce the overall sound generated from the side or top of the unit.

  • Super Low Sound Fan
  • Low Sound Fan
  • Water Silencers
  • Discharge Attenuation
  • Offset Sound Attenuation Walls

FACTORY-MOUNTED Water Treatment Systems

Available with FACTORY-MOUNTED water treatment systems, providing environmentally sensitive alternatives for treating water in evaporative cooled equipment.

  • Smart-Shield solid chemical water treatment system
  • Pulse-Pure CHEMICAL-FREE water treatment system

Maintenance Accessories

Available with multiple equipment options to aid in the maintenance of the closed circuit cooler.

  • External service platform
  • Basin level platform
  • Sloped ladder
  • Hinged louver access door
  • Motor davit with base

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