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Pfannenberg Liquid Solutions

Water/Water Heat Exchangers

Pfannenberg Liquid Solutions – Now That’s Cool™

When source water from cooling towers, lakes and rivers, well water, and potable city water is too cold or contaminated to be directly circulated to certain devices or vessels, a water-to-water heat exchanger can be used to overcome such obstacles and deliver clean coolant at optimum temperature for critical needs.

Pfannenberg Series PWW Water/Water Heat Exchangers are designed with durable components to ensure the effectiveness and longevity of the critical cooling process at hand.

Why Choose Pfannenberg Water/Water Heat Exchangers?

Energy Efficient

Pfannenberg’s Water/Water Heat Exchangers use existing chilled water to cool the applications so no refrigerant is needed.

Service Friendliness

Easy to service and maintain, with easily removable panels for easy access to interior components.

Adapted to Any Environment

Corrosion-resistant fixed piping for water circulation. Galvanized steel frame and panels are polyester powder coated to resist any weather.

Temperature Control

Two separate circuits allow the heat to be transferred from the “dirty” side to the clean side protecting electronic components such as liquid cool drives.

Water to Water Heat Exchangers Models

Each unit offers two isolated water circuits – one on the supply side, and one on the process side. The process side includes a coolant reservoir and a circulating pump. The supply side includes an electronically actuated ball valve for modulating source water flow rate in order to maintain the desired process and/or equipment temperature.

Standard Features:

  • Inline Filtration – 300 um
  • Adjustable Hydraulic Bypass
  • Flow Alarm
  • Clogged Filter Alarm
  • Min-Max Temp Alarm
  • UL-508A Electrical Compliance

PWW 6000
20,500 Btu/h 

PWW 18000
61,500 Btu/h 

PWW 25000
80,000 Btu/h 

The Best Environmentally Friendly Solution

The use of Water/Water Heat Exchangers ensure longer service life while conserving energy.

Passive Cooling System

Due to the smart design of the closed loop circuit PWW units can be easily adapted to the existing water supply.

Expansion Vessel

A properly sized thermal expansion tank will accommodate the additional volume of water created through expansion during the heating cycle.

3-way valve for primary water regulation

Means the highest reliability, complete accuracy, wide temperature control range and programmable set-point.

Plate Heat Exchanger

Made of stainless steel to prevent corrosion and grant high performance.

Centrifugal Pump

Multi stage pump for high flow rates even at high pressure resistance.

Digital Controller

With clear error message an easily editable set point.

Service Friendly Design

Easy removable panels allow quick access to internal components and reduced service cost.