COLW Series


Our Thermal Transfer Products brand offers a full line of process cooling heat exchangers.

Process Coolers Product Highlights

  • Ideal for independent cooling and filtering of system oils
  • Utilizes a high efficient EK series shell & tube (finned bundle) heat exchanger
  • Wall or floor mount
  • Low to medium pressure applications utilizing low noise screw pump technology
  • Pump flows ranging 9.5 GPM to 45 GPM
  • Standard SAE ports. NPT and BSP port adapters available

Product Options

  • Cartridge-style filters
  • Plugged filter indicators
  • Temperature sensors

Customer Focused and Driven

  • All catalog product is available with short lead-times
  • Expert application engineers are available to select and size the right product for your application
  • Custom designs are available

For application help and quoting, visit our Full TTP site or contact

Contact Us/Request a Quote

RatingsMaximum Operating Pressure - Shell Side 250 PSI (17 BAR)
Maximum Operating Pressure - Tube Side 150 PSI (10.3 BAR)
Maximum Operating Temperature - without filter 250° F (121°C)
Maximum Operating Temperature - with filter 230° F (110°C)
Maximum Viscosity 150 cst
MaterialsAll Models:
Pump - Positive displacement (screw)
Pump Motor - Nema frame
Shell - Steel
Tubes - Copper
Frame - Powder-coated carbon steel
Gaskets - Nitrile rubber/cellulose fiber
Mounting Brackets - Steel
Nameplate - Aluminum foil

COLW-20, 20W, 40, 40W, 80:
Tube Sheets - Steel
Baffles - Steel
Fins - Aluminum
End Caps - Grey iron

Baffles - Brass
Headers - Steel
Shell Connections - Steel
End Bonnets - Grey iron
Fluid CompatibilityPetroleum
Mineral oil HLP and HLVP
Ecologic fluids HETG-HEPG-HEE
Cutting oils (contact TTP)
Water/ethylene glycol (COLW-100 only)
Water-oil emulsions (COLW-100 only)
Water-Ethylene Glycol emulsions (COLW-100 only)

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