LRWB

The LRWB’s Thermal-Pak II Coil now features CrossCool™ Internal Tube Enhancement, increasing the internal heat transfer coefficient of the coil and thus the cooling capacity of the unit. The LRWB offers the most models and box sizes in the industry and is designed with IBC Compliant Construction and CTI Certified Performance.

  • The standard in low-sound, centrifugal fan, forced-draft closed circuit coolers
  • INDUSTRY EXCLUSIVE stainless steel basin and integral fan enclosure as standard
  • Suited for indoor and ducted layouts, ideal for exact replacement projects
  • Ranging in capacity from 170 to 4,119 MBH
  • IBC Compliant – Independently certified by the International Building Code to withstand seismic and wind load forces in North America; available with IBC Upgraded Structural Design to meet the strictest of building requirements
  • Independently certified by the Cooling Technology Institute

The process fluid circulates through the coil of the closed circuit cooler. Heat from the process fluid dissipates through the coil tubes to the water cascading downward over the tubes; simultaneously, air is blown through the unit by the fans, and travels upward over the coil opposite the water flow. A small portion of the water evaporates, removing the heat from the system. The warm moist air is forced to the top of the closed circuit cooler by the fan and discharged to the atmosphere. The remaining water falls to the sump at the bottom of the cooler where it is re-circulated by the pump up through the water distribution system and back down over the coils.

Thermal-Pak II Coil

EVAPCO's Thermal-Pak II coils design assures maximum cooling capacity. The airflow through the coil is counterflow to the fluid flow, providing the efficient heat transfer process. A special coil design is utilized to reduce the air pressure drop through the unit while maximizing tube surface area and increasing its heat transfer capabilities.

  • Elliptical return bends allows for more circuits per coil bundle increasing the maximum capacity per footprint
  • Coil located in airstream increasing dry bulb switchover temperature
  • CrossCool Internal Tube Enhancement increase fluid turbulence providing additional evaporative capacity
  • Available in type 304 SS or type 316 SS construction

Pressurized Water Distribution System

EVAPCO's Zero Maintenance ZMII spray nozzle remains clog free while providing even and constant water distribution, providing the industry's excellent performing non-corrosive, maintenance-free water distribution system.

  • ZMII spray nozzles have a 1-1/4" diameter opening and a 1-1/4" splash plate clearance
  • Mounted in corrosion-free PVC water distribution pipes that have threaded end caps
  • Provides unequaled coil coverage and scale prevention

Stainless Steel Casing & Fan Section

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

Sound Sensitive Installations

The centrifugal fan design operates at lower sound levels which make these units preferable for installations where noise is a concern. Additional sound reduction options include:

  • Inlet Sound Attenuation
  • Discharge Attenuation

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)

Stainless Steel Water Touch Basin

  • Available in Type 304 or Type 316 Stainless Steel
  • Includes the entire basin area including the support columns

Stainless Steel Thermal-Pak II 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

FACTORY-MOUNTED Water Treatment Systems

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

  • SmartShield solid chemical water treatment system

Maintenance Accessories

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

  • Ladders
  • Sump Sweeper Piping
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