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DuraCirc Aseptic

Product Description

The Alfa Laval DuraCirc® Aseptic is a revolutionary circumferential piston pump for aseptic applications. It delivers the perfect balance of durability, reliability, high efficiency and superior hygienic performance. Combined with a broad range of flow rates and pressures along with capabilities for simple service, DuraCirc® Aseptic keeps your processes up and running.

No more compromises: Best-in-class offering for supreme performance, superior hygiene and simpler service – all in the same pump

  • Optimized for high volumetric efficiency, ensuring cost-effective pump selection and high product quality
  • Hygienic design compliant with global standards, including EHEDG and 3-A
  • Reliable, long-term operation thanks to durable, robust, heavy-duty, all-stainless steel construction
  • Easy to service and maintain with fully interchangeable spare parts
  • Truly aseptic with the ability to provide a steam barrier on all interfaces between the product media and the outside atmosphere

Pump performance, hygienic design and ease of service are essential to hygienic processes. The Alfa Laval DuraCirc® Aseptic circumferential piston pump (CPP) delivers it all – high volumetric efficiency, EHEDG and 3-A conformance, and quick and easy service. DuraCirc® Aseptic is engineered for aseptic process applications in the dairy, food and beverage industries, primarily for packaging where extended shelf life is required.

For a cost-effective pump selection, the pumps come in five models, capable of flow rates up to 103 m3/h (453 gpm) and pressures up to 25 bar (363 psi).

Simplify service in terms of complexity and time with user-friendly features including a truly front-loading, self-setting single mechanical seal, use of a single long-life oil lubricant, and external shimming.

How it works

The DuraCirc® Aseptic construction features two rotors, housed within a pumping chamber, known as a rotorcase, with each rotor located on a shaft held rigidly within a gearcase. The two rotors are timed via timing gears in the gearcase, which along with shimming, ensures no rotor or rotor case contact. Rotor/shaft drive is typicially provided via geared electric motor. 

Due to the close internal running clearance within the pumping chamber, the rotation of the rotors continuously generates a partial vacuum in the suction port of the pump as the rotors unmesh. This results in a localized pressure drop, which allows fluid to enter the pump. The fluid is then transported around the channel by the rotor wings; the pressure generated as the rotor wings re-mesh forces the fluid out of the discharge port of the pump.

 

DuraCirc Pump Exploded Cut away 640x360
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