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Thermal Management for Enclosures
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Thursday, June 21, 2018
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KPHE Series Water-to-Air
Panel-Mounted Heat Exchangers
KPHE Series Heat Exchangers
UL Logo TYPE 12 & 3R


KOOLTRONIC Water-to-Air Heat Exchangers provide uniform cooling in a closed-loop system where a reliable source of clean, cool water is available. The KPHE Series is designed primarily for use in harsh environments with cooling requirements in excess of the capabilities of Air-to-Air Heat Exchangers. They are particularly useful in highly contaminated environments that would require very frequent cleaning or changing of ambient air filters, or require frequent cleaning of the heat exchanger core. KOOLTRONIC Water-to-Air Heat Exchangers can furnish greater cooling capacities than air-to-air models, depending on water temperature and rate of flow. Ambient air is sealed out; heat transfer surfaces remain clean.

The higher cooling ability of the KPHE Series depends on the temperature of the cooling water. Thus, if the water is cold enough, the temperature of the air delivered to the electronics cabinet can actually be lower than that provided by air conditioners, at less cost.

KPHE Series Heat Exchangers are available in five sizes and capacities. All models are UL/CUL Listed and meet NEMA 12 and NEMA 3R requirements. A complete range of accessories and options is available for both units, adding to their versatility.

KOOLTRONIC also designs and manufactures a variety of air conditioners to meet unique specifications. We invite your inquiries about our modification and custom-design capabilities.

Standard Features

water to air heat exchanger kphe20

20"H x 10"W x 4"D
20 W/°F at 0.25GPM
21 W/°F at 0.50GPM
water to air heat exchanger kphe24

24"H x 10"W x 8"D
33 W/°F at 1GPM
37 W/°F at 2GPM
water to air heat exchanger kphe28

28"H x 10"W x 11"D
42 W/°F at 1GPM
50 W/°F at 2GPM
water to air heat exchanger kphe30

30"H x 12"W x 11"D
58 W/°F at 1GPM
74 W/°F at 2GPM
water to air heat exchanger kphe32

32"H x 15"W x 11"D
80 W/°F at 1GPM
112 W/°F at 2GPM
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