DESMI Internal Gear Chocolate Pump (CHD)

ROTAN® Chocolate pumps are designed specifically for the chocolate industry, ensuring optimal performance and reliability in every application. Today, you will find DESMI ROTAN® pumps in chocolate factories and confectioneries all over the world, playing a vital role in the production and handling of various chocolate products. The special T2 tolerance of these pumps allows for precise control over the flow and viscosity of chocolate, which is crucial for maintaining the high quality and consistency that consumers expect. Additionally, the unique chocolate seal of the ROTAN® CHD Chocolate pump not only prevents leaks but also protects the integrity of the chocolate by minimizing contamination and oxidation. This innovative design significantly enhances operational efficiency, reducing downtime and maintenance costs while improving overall production output. With their ability to handle different types of chocolate—whether it’s liquid chocolate, cream, or other confections—these pumps will revolutionize your chocolate operation and contribute to the seamless integration of advanced technologies in your manufacturing processes.

• Flexible sealing options
• “True” back pull-out design
• Opposing inlet and outlet connections with oversized ports
• Shaft supported by two ball bearings in single sealed configuration
• Self-priming with large suction capabilities
• Low NPSH requirements
• Self-draining, integral safety relief valve
• No speed reduction required in six smaller sizes
• Complete heating/cooling jacketing available

Materials

• Component: Cast Iron

  • Casing: GG25
  • Front Cover: GG25
  • Bracket: GG25
  • Rotor: GG25
  • Idler Shaft: GG25
  • Idler Pin Shaft: 16MnCr5
  • Seal: Carbon Steel
  • Idler Bushing: Bronze
  • Rear Bushing: Bronze

  Component: Stainless Steel

  • Casing: AISI 316
  • Front Cover: AISI 316
  • Bracket: GG25
  • Rotor: AISI 329
  • Idler Shaft: AISI 329
  • Idler Pin Shaft: AISI 329
  • Seal: Packing
  • Idler Bushing: Bronze
  Rear Bushing: Bronze

Options

• Configuration with special clearances between the fixed and the rotating parts to protect the chocolate from excessive temperatures
• Casing available as inline (standard) or 90° angular configuration (BCHD)
• Specially designed externally lubricated main bearing