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HYDRAULIC ROTARY UNIONS – M AND DA SERIES

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    Hydraulic Rotary Unions — M and DA Series

    The Maier M Series is a sturdy rotary joint for polluted media at low speeds, suitable for water and steam.

    Hydraulic Rotary Union Product Features:

    • Satisfactory results with heavily contaminated water due to extremely robust seal
    • Housing made of cast iron with spheroidal graphite, bearing housing made of cast iron
    • Rotor made of steel with polished abrasion and corrosion-protective coating of metal-ceramics in the sealing surface area
    • Packing with teflon impregnation, very rugged, may also be used with high-solids media
    • Compression spring made of chrome steel
    • High-quality ball bearing with easy access to lubrication nipple and corrosion-resistant support bearing in pressure chamber

    The Maier DA Series is a shaft-supported rotary joint with maintenance-free, metal-impregnated sealing rings. These rotary joints are suitable for thermal oil, steam and water at low RPM.

    Hydraulic Rotary Union Product Features:

    • Inexpensive design, since no bearings needed and available in large sizes, up to DN 300m nominal bore
    • Seal rings are resistant to fraction, even at high pressures
    • Maintenance-free, no lubrication necessary
    • Housing made of cast iron with spheroidal graphite, diameters DN 80 and above are made of steel
    • Rotor and sealing surface made of chrome steel, rotor pipe for diameters DN 65 and above made of steel
    • Cover, flange cover, butting ring, adjustment ring, and compression springs made of chrome steel

    Maier is a supplier and rotary union manufacturer for various applications including construction, mechanical, marine, and industrial.

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