Substrate Technology
CONSTRUCTION EQUIPMENT & SUPPLIES
Phone:
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Address:
1384 Bungalow Rd.
Morris, Illinois, U.S.A.

Lavina L20S7 Electric Concrete Floor Grinder

3563 https://substratetechnology.com/wp-content/uploads/2025/11/L20S7-1-e1781124767638.webp
Brand: Lavina
Weight: 518 lbs
Dimensions: 82x32x46
Attachments: L20S7.pdf

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L20S7 Electric Grinder

L20S7 floor grinder is the latest addition to the Lavina S7 lineup. It features a compact 20″ footprint with the new S7 frame design and dust-proof grinding head. This machine delivers superior grinding and polishing experience, and is ideal for medium sized floor projects, including prep for epoxy, glue and coating removal, grinding and polishing.

NEW SEALED & DUST-PROOF GRINDING HEAD

  • Longer service life and less maintenance. 
  • Completely redesigned chain-driven planetary drive
  • New stronger timing belt
  • Upgraded shafts, seals and bearings
  • New lighter timing pulleys for better power transmission
  • New 2-piece aluminum main belt housing with belt inspection cover for longer belt life and less maintenance

NEW FRAME DESIGN

  • Better control, easier tool changes, and less vibrations.
  • New weights for faster position change
  • Redesigned frame allowing easier tool changes
  • New ergonomic handle design with more positions
  • Rubber bushing used at head attachment points for less vibrations for user

SPECIFICATIONS

  • Motor: 7.5hp / 5.5 kw
  • Voltage (50-60hz): 1 or 3 ph, 200-240V, 30A
  • Weight of Machine: 518 lbs
  • Grinding Pressure: 242 – 309 lbs
  • Tool Holder RPM: 400-1100 rpm
  • Working Width: 20″
  • Tool Holder Diameter: 3×9 in
  • Heads Rotation: Counterclockwise
  • Vacuum Hose Port: 50mm pip
  • Water Tank Capacity: 2.1 gal
  • Machine Dimensions (LxWxH): 86x32x46 in
  • Grinder Series: S7
  • Grinder Type: Planetary
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