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  • Maximum efficiency and minimum wear

    The pumping unit utilises a special concrete S-valve, whose innovative geometry guarantees great outputs and low maintenance. The group is the result of years of research and tests under hard working conditions to ensure high flexibility and reliability. The concrete S-valve satisfies completely the Customer’s demands in terms of capacity and pressure.

    The SERMAC’s concrete pumps offer the following benefits:
    • Pumping unit S8 whit open hydraulic circuit. Efficiency and simple maintenance
    • Concrete S-valve made of steel casting
    • Pumping unit with automatic centralized lubrication system
    • Automatic oil lubrication system for pumping pistons
    • Automatic wears compensation system between wear plate and cutting ring. High resistance with carbide insert and maximum pumping efficiency
    • Chrome-lined concrete cylinders of high thickness
    • Hydraulic pumps with variable displacement and constant capacity adjuster
    • Gear hydraulic pumps for services purpose
    • Conveying chamber made of steel casting and optimal design to avoid stagnation of concrete
    • Excellent performance, reliability and low operating costs


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  • Vanguard technology for every demand

    SERMAC offers a complete range of concrete pumps with placing booms from 21 m (4 sections) to 65 m (6 sections) height with different fold configurations in “Z” and “ZR” (series Zenith) or “RZ” (series Sirio). The booms – created by R&D SERMAC DESIGN – are the result of large experience coupled with accurate manufacturing technology that utilises the most recent design control systems (Finite Element Method). The use of steel with a high-yield limit with heads welded to sections and hinges with double support pins give to the equipment longevity and reliability. The models booms are available in the following folding types:
    • “ZR” folding: it offers the advantage of the folding type "Z" and "R" in terms of operations and rapidity of execution. Ideal for small works of urban construction indoor and outdoor where workspaces are particularly tight.
      Concrete pump: 4ZR21

    • “Z” folding: ideal for operate in horizontal spaces also limited in height where it is required great agility and rapidity of opening and manoeuvrer of the boom.
      Concrete pumps: 4Z27, 5Z33, 5Z36, 4Z38, 5Z38, 5Z42

    • “RZ” folding: it offers the advantage of the folding type "R" and "Z", utilized with the booms 5 and 6-sections. Ideal for large building sites where the boom need to operate in far working areas.
      Concrete pumps: 5RZ46, 5RZ51, 6RZ56, 6RZ61, 6RZ65

    CONCRETE PIPELINE

    The concrete pipeline of boom and base machine can be supplied in steel high resistant with single wall (SW1*) and bends made in cast manganese steel which ensure excellent durability to wear, or with double wall with hardened core (DW2**, on request).
    Pipeline standard diameter Ø 125 mm (5”) on all models Zenith & Sirio, with terminal rubber hose supplied with security chain (and stop-flow group on request).

    *SW1 (single wall): straight pipeline made in steel, bends made in cast manganese with differentiated thickness.
    **DW2 (double wall): straight pipeline made in steel with tempered core, bends with tempered core with high thickness.

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  • Great stability in every pumping phase

    The concrete pumps SERMAC combine each model of the boom with a specific stabilization, characterized by the following openings:


    stabilizzatori 1
    • Front: outriggers single telescopic “X”
    • Rear: fixed
      Stabilization versatile and compact that allow rapid positioning in small spaces or difficult to access. Solution used with booms small size folding type with "Z" and "ZR".
      Rear outriggers simple diagonal extension and ensure a rapid and effective placement in tight spaces.
      Concrete pumps: 4ZR20, 4Z27
    stabilizzatori 2
    • Front: outriggers single telescopic “X”
    • Rear: horizontal
      Excellent stabilization which guarantees a high functionality joined to a great stability in all working positions. Solution used with boom medium size folding type with "Z".
      Rear outriggers simple diagonal extension and ensure a rapid and effective placement in tight spaces.
      Concrete pumps: 5Z33, 5Z36
    stabilizzatori 3
    • Front: outriggers double/triple telescopic “X”
    • Rear: swing-out
      Stabilization of rapid placement. Solution used with booms medium-high size with folding "Z" and "RZ".
      The rear outriggers have fixed length and ensure stability to the height booms also in the works where it is used throughout the horizontal extension.
      Concrete pumps: 4Z38, 5Z38, 5Z42, 5RZ46, 5RZ51, 6RZ56
    stabilizzatori 4
    • Front: outriggers quadruple telescopic “X”
    • Rear: swing-out
      Stabilization of the latest generation for major projects with potential placement also in confined spaces. Solution that allows total opening outriggers steerable with a rotation angle of 44°.
      The rear outriggers have fixed length and ensure stability to the height booms also in the works where it is used throughout the horizontal extension.
      Concrete pump: 6RZ65


  • The masters of the steel

    5RZ46 1
    The concrete pumps 5RZ46 & 6RZ56 SUPERLIGHT are the result of the most recent and advanced technology applied to this type of equipment. The pumps have been thoroughly designed with a new articulated boom able to reach a vertical height respectively of 46 and 56 meters; the equipment have been designed both for assembly on standard 4-axis due to the total weight extremely content, that permit:
    • Sirio 5RZ46: exemption of road circulation permits thanks to the underweight legal.
    • Sirio 6RZ56: underweight than the potential of the chassis

    The new special distributor boom to five (5) or six (6) sections with the configuration of folding mixed "RZ", represent the optimal solution for operating in complex maneuvering space, and allows for greater operational in the distribution of concrete especially for insoles in height.

    5RZ46 2The particular lightness of the boom, obtained by innovative systems, has allowed SERMAC of employing a stabilization very contained and compact to the benefit of operations in shipyards that have difficulty in the spaces of stabilization.

    The use of special high strength steel for the entire structure of the boom, combined with the latest manufacturing techniques, has enabled SERMAC to achieve the best ratio cost-performance, furthermore without the use of composite materials.

    The concrete pumps 5RZ46 & 6RZ56 SUPERLIGHT complete the SERMAC’s range of pumps and open new advantages to our Customers.

  • Technical training courses

    trdThe AFTER-SALES service is made and organized with highly professional technical staff that can offer an immediate answer in terms of supply and advice directly on the field, giving maximum satisfaction of the equipment after the sale.

    The SERMAC name is synonymous with strength and innovation, and this is true of its after-sales management, which makes SERMAC the ideal choice for any company.

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