Grundfos Contra is a range of single or multistage, end-suction centrifugal pumps designed in accordance with the Qualified Hygienic Design (QHD) criteria and with EHEDG certification.
The pumps are constructed using deep-drawn and/or forged stainless steel materials in quality 1.4404 and 1.4435 (equivalent to AISI 316L), which guarantee a pore and blowhole-free surface, as opposed to cast material.
The Contra range pumps feature open impellers, the multistage pumps also have open diffusors. The O-ring seal locations for the casing and impellers meet hygienic design criteria with metal-to-metal contact seal areas and no pump casing dead-ends. The vertical versions of the Contra pumps are fully self-draining through the suction port.
The Contra pumps offer extremely reliable operation under tough operating conditions. Their hygienic design and the use of pore-free materials make them suitable in a wide range of applications.
Applications in the food and beverage industry include:
In the pharmaceutical industry, Contra pumps are used for:
Applications in the personal care sector include:
Other industry applications include:
A wide range of shaft seal options is available to suit different media and applications. The mechanical seals used in the Contra range are single inboard seals that maintain the optimum position in the liquid. This ensures lubrication cooling, CIP and SIP in full accordance with the criteria of hygienic design.
For more information about this product, please visit our website.
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