Viking Pump’s industrial gear pumps are the premiere positive displacement pump technology that covers nearly every pumping need.

With construction options that have been proven to work for light, medium, and heavy-duty applications, the versatility and popularity of positive displacement pumps lie in their relatively simple design, high efficiency, and consistent flow rates.

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Massecuite

Massecuite is a mixture of raw sugar crystals and liquor made by seeding supersaturated cane or beet juice prior to crystallization and the removal of the molasses by centrifuging.  It contains a high concentration of abrasive sugar crystals. 

Liquefied Gases

Liquified gases present many pumping difficulties including very low viscosity and lubricity, low specific gravity, low temperatures and require special sealing arrangements due to high inlet pressure. 

Positive displacement pumps, including close-clearance internal gear pumps and vane pumps are well suited to handling certain liquified gases due to their low NPSHr, low temperature metallurgy options, high pressure capabilities, resistance to vapor lock and many available sealing arrangements. 

 

Filled Asphalt

Filled asphalts contain particulate and are used to manufacture asphalt roofing. The filler material improves durability and fire resistance of the shingle. Pumping filled asphalt requires special construction and operation to minimize abrasion, prevent leakage and extend pump life. 

Ethanol (Cold Ethanol Extraction)

Cold ethanol extraction is a common method for extracting oils from plant materials. Due to its polarity, ethanol is chilled to subzero temperatures to avoid extracting additional, less desirable water-soluble molecules.

In this application biomass is placed in vessel and cold ethanol solvent is pumped in. The desired oils are rapidly dissolved in this solvent. Unlike hydrocarbon solvents, ethanol has no risk of leaving toxic residual chemicals in the product, which is especially important if for human consumption.

Dyes

Positive displacement gear pumps are ideal for transferring dyes due to their ability to provide a consistent and precise flow rate, regardless of the system pressure. This advantage ensures that the dye is transferred smoothly and evenly, minimizing the risk of color inconsistencies in the final product. The design of gear pumps allows them to handle a wide range of viscosities, making them versatile when dealing with different dye formulations. Additionally, their robust construction ensures reliable operation with minimal maintenance, reducing downtime and operational costs.

Black Liquor Soap

Black Liquor Soap is a by-product in the production of pulp in the paper processing industry. It is used in production of Tall Oil (Pine Oil), which may be refined into various value-added products.

Biofuels

Positive displacement pumps are ideal for transferring biofuels due to their ability to handle a wide range of viscosities and provide consistent and precise flow rates. These pumps operate by trapping a fixed amount of fluid and then displacing it through the pump, making them particularly effective for the thicker, more variable nature of biofuels. This design ensures that the flow remains steady regardless of pressure changes, which is crucial for maintaining the integrity and efficiency of biofuel applications.

Agave Syrup

Agave syrup, a high fructose natural sweetener 1.4 times sweeter than sugar, is derived from the heart, or piña, of any of several agave species. It is processed and sold in stores as a liquid sweetener and has several applications in food and beverage processing, especially in vegan foods as well as mezcal and tequila production. For syrup production, the hearts are milled to a pulp and then the liquid is separated by crushing or centrifugation. It may be further processed through filtration, activated charcoal, ionic resins or enzymes.

Adhesives

Positive displacement pumps are ideally suited for transferring adhesives due to their ability to handle viscous, shear-sensitive, and sometimes abrasive materials with precision and care. Unlike centrifugal pumps, positive displacement pumps displace a specific volume of fluid with each cycle, ensuring a consistent flow rate that is crucial for maintaining the quality and integrity of adhesives during transfer. This is especially important when dealing with adhesives that require an even application to function correctly.