All Hidrostal pumps incorporate the company’s Screw Centrifugal Impeller. Extremely versatile in its applications, the impeller provides efficient handling of a range of liquids, often highly abrasive or corrosive in nature.
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Many applications too arduous for other types of centrifugal pumps can usually be handled by the Hidrostal screw centrifugal impeller. The impeller comprises a single spiral vane, having large open passages, which makes a long slow turn from the axial inlet to the radial outlet. The design provides optimum
Pumps are heavy-duty construction, designed to operate at depths of 20 metres with special versions available for depths to 200 metres.
They operate continuously submersed in the process fluid
Equipped with the Hidrostal screw-centrifugal hydraulics, the submersible pumps are capable of pumping general effluent and process fluid containing large amounts of solids and fibrous material. The pumping of viscous liquids and fluids requiring gentle handling are possible with this type of pump.
For permanent installation and ease of maintenance, a guide rail mounting arrangement is available. Twin guide rails ensure the pump is guided to the discharge elbow and correctly locates in position to give a leak-free connection.
For applications where a permanent guide rail system is inappropriate, or a temporary arrangement is required, all Hidrostal submersible (and immersible) pumps can be used as free-standing.
Hidrostal ‘A’ type pumps are designed for low head applications up to 10m and flow from 30 to 1,100l/s. The axial pump range is based around Hidrostal’s standard range of submersible motors having the same benefits as previously described.The difference is that the volute on the low pressure versions is replaced with a casing having an axial discharge enabling the pumps to be installed in a tube or concrete chamber.
Hidrostal immersible pumps are a versatile, innovative development of the established submersible range.
Capable of continuous operation in a dry installation, the immersibles may be operated, with equal efficiency, when fully or partially submerged.The pumps are particularly suited for dry pit applications where the combination of the Screw Centrifugal Impeller and immersible motor can be considered the state-of-the-art technology. Leakage of the pumped product is eliminated by tandem seals running in an oil bath, avoiding a situation commonly experienced with soft-packed glands.
Submersible mixers, Aerators and Chopper Pumps.
The Bedford Pump Company was founded in 1987 by members of the former Allen Ywynnes pump Co. and is now a Hidrostal Group Company.
For applications where a permanent guide rail system is inappropriate, or a temporary arrangement is required, all Hidrostal submersible (and immersible) pumps can be used as free-standing.
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