End-suction, split-case, and centrifugal slurry pumps have set the world standard for heavy-duty abrasive pumping applications for decades. With large shaft diameters, heavy-duty bearing assemblies, and robust slurry pumping capacity, Schurco Slurry® pumps provide a cost-effective and ideal alternative to longer lead times and the difficulty associated with working with large multinational companies.
Application customization comes standard with this line by applying a wide variety of metallic and elastomeric parts options, an assortment of seal arrangements, and a standard impeller adjustment mechanism incorporated into every base assembly.
Impellers– range of impellers to suite most applications including pump out vanes both front and back to enhance sealing and reduce recirculation.
Liners – wide variety of metallic and elastomeric options (metal and elastomer liners are interchangeable) to select from in order to provide the longest wear life possible.
Expeller (Centrifugal Seal) – no gland service applicable within limitations. Stuffing Box – with gland service and Mechanical Seals.
Cartridge-style bearing housing allows for removal from pump and assembly in controlled environment Oversized shaft diameters and reduced overhang in the wet-end contribute to long life and reliability in the field
The stuffing box is the original shaft seal for any rotating element through a fixed device. This seal has stood the test of time, and is still one of the most common sealing arrangements in slurry pumps. Seal water must be supplied at a pressure in excess of pump discharge pressure.
A mechanical seal consists of two principle components. One component is stationary and the other rotates against it to achieve a seal. There are many types of mechanical seals, ranging from simple single spring designs to considerably more complex cartridge seal types, which are the type most commonly applied on slurry pumps. The design, arrangement and materials of construction are essentially etermined by the pressure, temperature, speed of rotation and product being sealed (the slurry).
The Schurco expeller seal can operate completely leak free during pump operation.
The expeller rides along the shaft and expels material from the expeller ring cavity. Consideration must be given to inlet pressure and pump speed to ensure proper sealing with this type of seal arrangement. The typical installation introduces grease in lieu of seal water to provide a static seal against the inlet pressure when the pump is not operating.
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