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Pre-Engineered Hot Oil Systems

HOS550 SERIES

The Pre-Engineered HOS 550 Series (formerly the KM Series) offers fast delivery and Safe, Reliable Performance in a compact and industrial grade modular package with maximum operating temperatures of up to 550°F.  

Designed for use with hot oil heat transfer fluids, HOS 550 systems include a centrifugal pump, electric heater assembly, and control panel. The pre-engineered design includes inherent safe-design practices while retaining cost efficiency. 

Packaged, skid-wired, and assembled on a drip-proof, seal-welded plate-and-channel fluid containment base, each system undergoes a Factory Acceptance Test in accordance with HEAT standard practice prior to shipment. 

Made-to-order designs offer reduced lead-times with limited models in stock for immediate shipment. 

  • 40kW-240kW Electric Heaters Available
  • 480 VAC, 3-Phase, 60 Hz Power Supply
  • Flow rates from 35 GPM to 205 GPM
  • 18 to 60 Gallon Expansion Tanks Available
  • ANSI 150lb. Flange Piping Connections 
  • Indoor/Outdoor Installation
  • Wiring per NFPA 70 and NFPA 79, NEC Codes, UL Standards
  • ASME Code Stamped Heater Chamber
  • Mechanically Sealed Pump Designs
  • All-Welded, ASME B31 Piping Materials
  • Cooling Modules Available 
  • Non-Wicking Cellular Glass Insulation
  • Safety Interlocks: 
    • Heater High Temp Switch
    • Low Level
    • Low Pressure 
  • Building Materials
  • Furniture
  • Metals
  • Paper/Packaging/Converting
  • Plastic/Rubber
  • Textiles/Fabrics/Nonwovens 

Meet the HOS 550 Series

HOS 550 Series - Features Overview

Model Numberdesign temperatureheating capacitycooling capabilitypump capacityexpansion tank availableInlet / OutletInlet / Outlet Connectionelectrical serviceLearn More
HOS550-40-MP-483550 F (287C)40 KW (136,485 Btu/Hr)External Cooling Module Available35 GPM at 120'TDH18 Gallon
40 Gallon
60 Gallon
1-1/2"150# RF ANSI Flange480/3/60Details
HOS550-80-MP-483550 F (287C)80 KW (272,971 Btu/Hr)External Cooling Module Available80 GPM at 125'TDH18 Gallon
40 Gallon
60 Gallon
2"150# RF ANSI Flange480/3/60Details
HOS550-120-MP-483550 F (287C)120 KW (409,457 Btu/Hr)External Cooling Module Available100 GPM at 120'TDH18 Gallon
40 Gallon
60 Gallon
2"150# RF ANSI Flange480/3/60Details
HOS550-160-MP-483550 F (287C)160 KW (545,942 Btu/Hr)External Cooling Module Available160 GPM at 140'TDH18 Gallon
40 Gallon
60 Gallon
3"150# RF ANSI Flange480/3/60Details
HOS550-200-MP-483550 F (287C)200 KW (682,428 Btu/Hr)External Cooling Module Available200 GPM at 140'TDH18 Gallon
40 Gallon
60 Gallon
3"150# RF ANSI Flange480/3/60Details
HOS550-240-MP-483550 F (287C)240 KW (818,914 Btu/Hr)External Cooling Module Available200 GPM at 140'TDH18 Gallon
40 Gallon
60 Gallon
3"150# RF ANSI Flange480/3/60Details
HOS550-40-DN-483550 F (287C)40 KW (136,485 Btu/Hr)External Cooling Module Available40 GPM at 150'TDH18 Gallon
40 Gallon
60 Gallon
1-/2"150# RF ANSI Flange480/3/60Details
HOS550-80-DN-483550 F (287C)80 KW (272,971 Btu/Hr)External Cooling Module Available80 GPM at 147'TDH18 Gallon
40 Gallon
60 Gallon
2"150# RF ANSI Flange480/3/60Details
HOS550-120-DN-483550 F (287C)120 KW (409,457 Btu/Hr)External Cooling Module Available100 GPM at 140'TDH18 Gallon
40 Gallon
60 Gallon
2"150# RF ANSI Flange480/3/60Details
HOS550-160-DN-483550 F (287C)160 KW (545,942 Btu/Hr)External Cooling Module Available160 GPM at 134'TDH18 Gallon
40 Gallon
60 Gallon
3"150# RF ANSI Flange480/3/60Details
HOS550-200-DN-483550 F (287C)200 KW (682,428 Btu/Hr)External Cooling Module Available200 GPM at 125'TDH18 Gallon
40 Gallon
60 Gallon
3"150# RF ANSI Flange480/3/60Details
HOS550-240-DN-483550 F (287C)240 KW (818,914 Btu/Hr)External Cooling Module Available200 GPM at 125'TDH18 Gallon
40 Gallon
60 Gallon
3"150# RF ANSI Flange480/3/60Details
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