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Transportation

Twin screw pumps ideal for bitumen transfer applications

Blackmer S Series Twin Screw pumps provide numerous design and efficiency advantages that are ideal for transfering bitumen from tankers to the distant tank-farm facility. Liquid bitumen must be handled at very high temperatures in order to keep it at a workable viscosity. However, even at high temperatures liquid bitumen can be an extremely viscous and shear-sensitive product. Therefore, shipyard operators and tanker owners demand a pumping technology that has been specifically designed to transfer highly viscous liquids over great distances.

Realizing the importance for pumping equipment that feature the design and performance characteristics required for transferring highly viscous liquids, Blackmer offers its S Series Twin Screw models for these marine applications. S Series pumps feature a compact design composed of two sets of opposed screws that engage during operation to form a sealed cavity with the surrounding pump casing. The pumped liquid is moved axially as the screw shafts turn, allowing the liquid to be steadily and constantly conveyed to the center of the pump where the discharge port is located. This method of operation guarantees that the liquids are transferred with high efficiency and nearly pulsation-free, which are crucial considerations when transferring highly viscous liquids over great distances.

Other features that make Blackmer S Series pumps ideal for use in marine applications include self-priming, compact design for convenience, ability to run dry for short periods, high suction lift and constant flow rates despite varying conditions. Blackmer offers its S Series Twin Screw pumps in a With Timing Gear (WTG) configuration that has a double-suction design with no metal contact between the hydraulic components and automatic axial balancing. They are low noise and nearly pulsation-free with little fluid agitation or emulsified shear, making them ideal for use with corrosive and non-corrosive, low or high viscosity, and clean or abrasive liquids.

Company Info

  • Blackmer

    1809 Century Avenue SW
    Grand Rapids , MI
    US , 49503-1530

    Blackmer was incorporated in 1903 and is the leading manufacturer of positive displacement pumps, centrifugal pumps and compressors for the transfer of liquid and gas products. Blackmer products are used in a variety of industries including LPG, Chemical Processing, Refined Fuels, Petroleum, Military & Marine and the Mobile Transport industries.

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