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Introduction |
The device was developed by U.S. Bureau of Public Roads and is used to determine of the rebound deflection of flexible pavement under static load. |
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General Description & Specification: |
Hand driven The Centrifuge Extractor comprises of a precision machine rotor bowl and bowl cover housed in a cylindrical aluminum box. A knurled nut is provided to press filter paper disc between the rotor bowl and cover plate and the complete bowl assembly is removable for determination of weight of sample. The bowl assembly is mounted on a vertical shaft, which comes out from a casted housing. The shaft attached to the bowl is rotated manually by a handle. The gears operate in a casted housing in oil bath with splash lubrication. A drain is provided to collect dissolved bitumen coming out from the rotating bowl. The range of speed is 2400 – 3600 RPM. The bowl capacity is 1.5 Liter |
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Motorised electrically driven
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The motorised version is provided with a variable speed control device and a hand brake to stop rotation when switched off. The electric motor is of 0.25 HP capacity coupled to a geared assembly. Suitable for operation on 230 Volts, 50 Hz, AC single phase. |
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Recommended Accessories & Consumbles
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The following accessories and consumables are not part of the standard supply and are mandatory for the testing work |
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