Knauf PFT Knauf PFT

Rotor/Stator C 4-2

Rotor/stator C 4-2

The heart of a mixing and delivery pump is the pump unit, also known as the rotor/stator. This is where the required pressure is built up in order to deliver the material to the processing location. Depending on the size, different conveying outputs can be provided. The last digit of the pump designation denotes the number of pressure stages; a working pressure of 10 bar can be built up for each stage. If these values are no longer achieved, the unit is worn out and should be replaced.

  • Maintenance-free

Details

Maintenance-free

Pressure stability
Deformation in the rubber leads to higher wear and quickly impacts pressure stability = holding pressure in the chambers; reflux occurs in the stator.

Operating temperature
Friction causes heat and this has a negative impact on the rubber of the stator.
It is therefore important to reduce the heat in the stator by using a suitable rubber compound and through fast heat dissipation.
Irregular rubber thicknesses prevent fast heat transmission.

Pre-stress and pump's operating range
Maintenance-free stator "Ready-to-go" – pre-stressed for immediate use.

3 reasons in favour of the PFT C 4-2 soft system

  • 1. process larger grain sizes effortlessly
    The decisive argument in favour of the PFT C 4-2 soft system is the release of the stator for grain sizes up to 4 mm (compared to 3 mm for the standard C 4-2).
    This enables the processing of coarse-grained exterior and interior plasters with a PFT SWING M conveyingpump - ideal for a wide range of applications!
  • 2. enjoy a maintenance-free system
    The PFT C 4-2 soft system is maintenance-free, which makes life much easier for the user. While similar grain sizes can normally only be processed with a clampable system, our system offers a maintenance-free solution that saves time and effort.
  • 3. reduce the drive power required
    Thanks to the reduced preload of the system, less drive power is required. This expands the application possibilities of a PFT SWING M and ensures more efficient and energy-saving utilisation.

Experience the benefits of the PFT C 4-2 soft system and maximise your productivity when processing plaster materials!

C 4-2
Machine model: SWING M (3), SWING L airless (4)

  • Light plaster
  • Lime-cement render < 3 mm
  • Insulating plaster
  • Adhesive mortar
  • Reinforcing mortar
  • Frame grouting mortar
  • Finishing coats, mineral
  • Finishing coats, pasty
  • Fine filler, mineral (3)
  • Fine filler, pasty (3)
  • Loam plaster, dry
  • Loam plaster, pre-mixed (4)
  • Fire protection mortar
  • Concrete restoration mortar
  • Thin screed
  • Floor fillers

Downloads

Please find further downloads and languages here.

Description Edition Document type
DS138_en PFT Rotor/Stator programme Nov. 2018 Brochure
PDF
DS171_en PFT Rotor/Stator C 4-2 soft Apr. 2024 Brochure
PDF

Technical data

  • C 4-2  Produktbild

    C 4-2

    Stator C 4-2
    Part no. 00037186

    Rotor without tang
    Part no. 00194807

    for machine model:
    SWING M, SWING L airless

    Direction of rotation:
    Clockwise rotating

    Colour code:
    Red

    Working pressure
    20 bar

    Stator length / Ø:
    295 mm / 60 mm

    Max. grain size:
    3 mm

    Output at 400/200 rpm:
    18 | 9 l/min

    Connection type:
    C

    Rubber hardness:
    Hard

    Conveying distance:
    Up to 20 m with DN25 (SWING M)

    Accessories:
    Tie rod of C-pump 320 mm
    Part no. 00045115

    Show more
  • C 4-2 soft Produktbild

    C 4-2 soft

    Stator C 4-2 soft
    Part no. 00821651

    Rotor without tang
    Part no. 00194807

    for machine model:
    SWING M, SWING L airless

    Direction of rotation:
    Clockwise rotating

    Colour code:
    Red

    Working pressure
    18 bar

    Stator length / Ø:
    295 mm / 60 mm

    Max. grain size:
    4 mm

    Output at 400/200 rpm:
    18 | 9 l/min

    Connection type:
    C

    Rubber hardness:
    Soft

    Conveying distance:
    Up to 15 m at DN25

    Show more

Video