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Desmi SA Centrifugal Pumps

The Desmi SA Self-Priming Centrifugal Pump is designed for a wide range of industrial applications, offering impressive performance and durability.

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Brand: Desmi
Type: Equipment

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The Desmi SA Self-Priming Centrifugal Pump is designed for a wide range of industrial applications, offering impressive performance and durability.

  • Semi-Open, Non-Clogging High-Efficiency Impeller: This design minimizes clogging and allows operation in dirty or contaminated fluids.
  • Replaceable Wear Plate: The wear plate can be adjusted for tolerance, prolonging the pump's life and maintaining maximum capacity even after prolonged use with abrasive fluids.
  • Mechanical Shaft Seal: The spring-loaded mechanical shaft seal ensures reliable suction and prevents shaft wear.
  • Check Valve: Located at a high level, the check valve prevents the loss of priming water in the event of a check valve leakage.
  • Heavy Bearing Design: The robust shaft and bearing design ensure longevity, even under challenging conditions such as belt drive applications.

  • Self-Priming with Diffuser Principle:

    • The pump utilizes the diffuser principle, allowing it to prime itself without relying on valves or mechanical elements. This means the pump relies on the liquid flow to carry air, eliminating the need for external priming devices.
    • Once the pump casing is filled with water, it will automatically remove air from the suction pipe, making it self-priming.

  • Versatility in Handling Impurities:

    • The open impeller design, along with a replaceable wear plate, ensures that the pump can handle liquids with impurities and solids, which is ideal for dirty or abrasive fluids.
    • The open impeller design contrasts with closed impeller pumps, allowing it to handle more challenging fluids.

  • Efficient Priming Process:

    • For priming, the pump casing is filled with liquid before starting. The rotation of the impeller pumps liquid from the suction chamber, creating a negative pressure that draws air into the pump. This mixture then proceeds through the air separating chamber.
    • The pump continues this cycle, ensuring self-priming without additional mechanical systems.
  • Flow Capacity: Up to 650 m³/h (2900 US gpm).
  • Pressure Range: Up to 110 mLC.
  • Temperature Range:
    • Standard Shaft Seal: Max 80°C.
    • Special Shaft Seal: Max 120°C
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  • Self-priming ability, reducing the need for manual priming systems.
  • Can handle a variety of fluids, including those with solids and abrasives, making it suitable for industrial and marine environments.
  • Long-lasting performance due to heavy-duty construction and adjustable components like the wear plate.
  • Reliable and efficient, with easy handling of air and liquids during operation.

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