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MHO System

MHO are hot oil systems manufactured by SEICO that uses a magnetically coupled circulation pump to convey thermal oil through your application in a closed circuit. The standardized and compact hot oil systems can take up to 350°C flow with/without nitrogen blanket.

The MHO uses cooling water to cool the circulating medium indirectly via plate or tube bundle heat exchangers. The annular gap technology is also used in the heaters supports high heat transfer efficiency, low maintenance requirements and maximum safety.

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  • Magnetic-coupled pumps as standard, energy-efficient motors for sustainability and sustainable environmental protection
  • Use different primary energies in one device – also at the same time: electricity, hot water / steam or hot thermal oil, depending on availability
  • Ability to engineer and manufacture systems according to client’s specifications with our modular design
  • Plug and play system – system can be in operation once it is set up on site and connected hydraulically and electrically
  • Controls via SIEMENS S7 in the integrated control cabinet with clear visualization and connection to higher-level control systems
  • Precise required heating power controlled by semiconductor relay (SSR)
  • Easy to clean and effective SEICO tube bundle heat exchangers optimize your cooling requirements
  • Industrially manufactured and 100% individually tested tubular radiators Ø 16mm VA ensure the reliable operation of the electric heater for an extended period of time

  • Agitator
  • Calendering
  • Coating equipment
  • Dryer heating
  • Extruders
  • Film production
  • Laminating
  • Press
  • Reactors
  • Winders


  • AD2000 HP0
  • ASME Section 8, Division 4
  • DIN 4755
  • DIN EN ISO 9001
  • DIN EN ISO 3834
  • DIN EN 13445
  • DIN EN (IEC) 61439
  • EN 60204-1
  • Explosion Protection Directive 2014/34/EU
  • GOST-R
  • Machinery Directive 2006/42/EC
  • Pressure Equipment Directive 2014/68/EU
  • UVV
  • VDE


  • Dye penetrant
  • Pressure and strength tests
  • Tightness tests
  • X-ray inspection
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