All you need to know about DONJOY lobe pump

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Sanitary Rotary Lobe Pump

Donjoy Sanitary Rotary Lobe Pump is a positive displacement pump, Robust construction, low maintenance, cost-effective. Hygienic design complied with ASME BPE, EHEDG standards, US 3-A, FDA hygienic standard, the most common pump used to transfer high viscosity fluids solid and particle,  It offers a comprehensive range of pumps intended for hygienic applications in the food processing, dairy, beverage, home care and personal care and pharmaceutical industries…

Food Rotary Cam Pump Manufacturer in China

DONJOY Technology as food rotary pump manufacturer in China provides reliable performance, trouble-free operation and superior energy efficiency for demanding applications. Donjoy lobe pump has many configurations, TU-series is standard configuration, STU-series is all stainless steel. It is an excellent choice for duties that require contamination-proof pumps to meet high standards of hygiene, low-shear and low-pulsation operation. This 3-A approved pump handles both Cleanings in Place and Sterilization in place and can be supplied with thorough documentation to support rigorous validation requirements.

Sanitary positive displacement rotor pump video

Sanitary Rotary Lobe Pump Structure

Sanitary Rotary Lobe Pump Configuration

Sanitary Rotary Lobe Pump Feature:

● High Purity, Low Noise
● High pressure to 20 bar
● Horizontal Type (TUL) & Vertical Type (TUR)
● Variety of lobe options: butterfly, single, bi-wing, and tri-lobe.
● Hygienic designed according to 3A FDA standard
●Sanitary mechanical seal, easy cleaning and maintenance
● Applied to CIP cleaning and SIP sterilization
● Different drives and devices
1) Manual adjustment, continuously variable transmission
2) Variable – frequency motor adjustment
3) Fixed speed output transmission
● Motor utilize the IEC EN IE2, PTC thermistor.

Rotor Selections for sanitary rotary cam pump

  1. Butterfly Rotor: Suitable for transporting material, with low particle breakage rate and small pulse.(Recommend)
  2. 3-Leaves Rotor: Suitable for transporting all kinds of material, with particle breakage rate and smaller pulse than butterfly rotor
  3. Spiral Self-priming Rotor: With strong self-priming capability could transport with particle, gas-liquid, mixture, oil, dairy products, etc. It also extracts and transports all kinds of sewage, sludge, cow dung.
  4. Single Butterfly Rotor: Suitable for transporting material with large particle, with low particle breakage rate for large particle, large pulse, low pressure and small volume.
  5. 2-Leaves Rotor: Suitable for transporting all kinds of material, with particle breakage rate, large pulse, low pressure and small volume.
  6. 5-Leaves Rotor: Suitable for transporting all kinds of material, with high particle breakage rate, very small pulse and smaller flow.
Sanitary Rotary Lobe Pump Rotors2

Hygienic Lobe Pump Various Configurations

  • Lobe pump with heatjacket.
  • Double mechanical seal(water-cooled flushing)lobe pump
  • Rotor pump with explosion-proof motor
  • Positive displacement lobe pump with mechanical stepless speed reducer
  • Donjoy lobe pump with frequency converter helical gear
  • Sanitary Positive displacement lobe pump with variable frequency speed adjustment output reducer
  • Sanitary lobe pump with reducing output servo motor
  • Lobe pump with flange hopper(feeder)
  • Lobe pump with trolley
  • Rotor pump with whole protecting cover
  • Lobe pump with built-in safety valve
  • Lobe pump with external safety valve

Rotary lobe pump working principle pleaase check this blog

Sanitary Rotary Lobe Pump Configuration1
Sanitary Rotary Lobe Pump Configuration2
Sanitary Rotary Lobe Pump Configuration3

Sanitary Rotary Lobe Pump Curve

More details and complete pump curve please check download PDF in the end of article.

Sanitary Rotary Lobe Pump Curve

Sanitary Rotary Lobe Pump Dimension

Sanitary Rotary Lobe Pump TUL Dimension

Hygienic pump packing

For sanitary rotor pump,we also same packing as centrifugal pump as below picture shows.

  1. Inspection finished rotor pump waiting for packing.
  2. Make the pump fixed to the bottom of the case.
  3. Covered with waterproof plastic paper and cardboard.
  4. Put the pump into plywood case.
  5. Add the spare parts with the pump together.
  6. The pump is finished packing.

Catalogue of Rotary pump PDF download

The complete rotary lobe pump curve and specification, please check below catalogue in PDF

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