Floor Grinder BS-525-EL-PRO

Motor/ Power 7.5 kW (Electric)
Voltage 400V
Speed of rotation 100 – 700 RPM
Working Width 525 mm
SKU: BS-525 Category:



Floor Grinding and Polishing machine with 3 counter rotating High-Precision Planetary Heads. Compact robust steel design. Ideal for medium to large Surfaces. The 8-cornered Octavia-Form Dust Hood with side Opening for Edge Grinding along vertical surfaces and walls. Easy stand-up work avoids Backache.


  • Removing of adhesive, residues, painting, coatings, putty, epoxy and cement slurry
  • Renovation of old floors
  • Fine grinding and polishing
  • Leveling of uneven spots
  • Polishing and Grinding of concrete surfaces

Wide range of Diamond Tools for your specific applications.

For every Surface the right Polishing-Pads available. 

AIRTEC tool plate with bush hammer rolls (BS-525-707-ROL), ideal for removing markings


With 3 counter rotating, Planetary Heads the machine has an optimal Power transmission to the Ground. Resulting in high grinding Removal and full field coverage. Grinding Pressure combined with dynamic PKD-Tools and Flexibility, ensure excellent Surface Preparation.


  • Speed Regulation for grinding and polishing
  • Easy adjustment of grinding pressure with shifting of weight
  • Emergency Switch-Off
  • Flexible tool plate Holder
  • Height adjustable handle
  • Integrated water tank with control lever for wet and dry applications
  • Vibrations reducing solid rubber Wheels
  • Compact and robust steel Body design
  • 3 tool plates with a total of 9 segments
  • Fast Tool Change on job site with “Easy-Click”
Suction port

Connection for industrial vacuum cleaner  for low-dust work

Dust protection

For an almost dust-free work

Additional weights
Additional Weights for more Grinding pressure while grinding on Concrete surfaces and others

Variable grinding pressure thanks to additional weights


Additional wheel for easier transport

Integrated water tank

Integrated water tank with 21 litre capacity

Edge processing

Housing opening for close-to-edge use

Approach rollers
Milling and Grindng up to the Edge with Airtec Concrete Grinders

For working close to walls and edges



Aggressive removal of thick  and sticky coatings, adhesives. Leaves a course profile.


Removal of glue, thin coatings and paint. With special support Diamonds to prevent scratches.


Removal, grinding of paint, glue, adhesives. Leaves fine smooth surfaces.


Metal bond Diamond Segment for work on concrete, leveling surfaces, joints and etc.


Motor/ Power7.5 kW (Electric)
Voltage400V / 50 Hz / 16A
Speed of rotation100 – 700 RPM
Working Width525 mm
Dimensions (L x W x H)1830 x 550 x 1100 mm
Weight335 kg
Suction Tube Ø38 mm / 51 mm Tube
Basic equipmentBS-525-EL with 3 standard Toolholders (BS-525-070-1)
 equipped with 9 Segments (AT-CA-6H)
 Water Tank 21 liters
 with plug, without cable
 Hexagon spanner
 Operating manual and spare parts list
 Audit Log und Warranty Certificate

Additional information


230 V, 400 V, SPC 230 V, SPC 400 V