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Home / Products / Marine Water Cooled Condensers / MHX

Shell and Tube
Marine Service
Condensers with
Zinc Anodes

Formerly ACME series refrigerant condensers, these Ketema Brand design condensers offer 22 models ranging from 24 to 380 nominal HP. This reliable design has been available for over 30 years and the dimensions are virtually unchanged.

Standard Designs
MHX Ketema Marine condensers are available in these standard designs for seawater duty. For R410A duty please consult the ProSuite sizing software or contact the factory.

Tube Materials
MHX marine condensers are manufactured with enhanced 3/4″ OD 90/10 cupronickel tubing to provide reliable performance and ease of service from commonly available tube cleaning devices.

As standard, these units offer horizontal, cleanable tube design. Custom vessels are available with special materials of construction as required.

Water Flow
Velocities of 6.6 feet per second (ft/s) or higher risk premature impingement corrosion and tube failure. Operation below minimum flow rates may result in excessive fouling and poor heat transfer. All values in this shown on the dimension tables are limited to flow velocities below ten feet per second. Water flow rates for shallow water applications need to be below seven feet per second due to a higher risk of premature impingement corrosion or tube failure, units should not be used without upstream filtration to lower failure risks.

Alternative Options
For higher pressure, refrigerants use MSE-MP units or consult factory for MHX-MP (Multi-Pressure). For greater pump down capacity consult factory for MST units.

General Service Units- 450 psi Shell Side Working Pressure @ 150° F; 150 psi Tube Side at 150°F

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Custom and larger models are available, please contact your local sales representative
*Ratings are based on entering water 85°F, leaving water 95°F and saturated condensing temperature of 105°F with 5°F of subcooling
**Pump Down capacities are based upon 90% of the shell open volume
Nominal ratings: Include a additive fouling coefficient of 0.00025 as calculated per AHRI Standard 450-2007 ǂ
ProSuite software values are the most accurate
ǂ Indicates 125 lb ff flange
Tubing has high performance enhanced surface
Values shown are correct at the time of publication. All data should be reconfirmed at the time of purchase
HP = 15,000 Btu/hr

MHX Multi-Pressure Units-600 psi Shell Side Working Pressure @ 150°F are available.
Please consult factory.