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Quick Details

  • Condition: New
  • Automatic Grade: Manual
  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Merrock
  • Model Number: S-J24
  • Voltage: 380V
  • Power(W): 11kw/15HP
  • Dimension(L*W*H): 210*119x200cm
  • Weight: 1100kgs
  • Certification: ISO 9001:2008
  • Warranty: 1 Year
  • After-sales Service Provided: No overseas service provided
  • Interver: 20HP
  • Speed: 0-1500rpm
  • Water Tank: With
  • Vacuum voltage: 380V/50hz
  • Vacuum power: 5.5KW
  • Volume: 3000mmH2O
  • Air flow: 530m3/h
  • Filter area Filter bag (m2): 2.4
  • Filter area Filter cartridge (m2): 2*3

Packaging & Delivery

Packaging Details Iron frame and frame cover with film
Packing size:240x130x220 cm
Delivery Time Shipped in 20 days after payment


Concrete Floor Ride On Grinding Machine Factory Driving Grinder



Body weight1100KGS
Work width1050x550mm
Water tankWith
Grinding heads24 pieces


With rechargeable batteries can walk for 4-5 kilometer without connect electricity


Vacuum Voltage: (V/Hz) Three phase 380V/50Hz
Vacuum Power (Kw): 5.5
Vacuum (mmH2O): 3000
Air flow(m3/h): 530
Noise dB(A): 72±2
Inlet (inch): 3inches
Filter area (m2):Filter bag-2.4, Filter cartridge-2*3



1.Adopt two-stage filtering units. The first stage is star shape polyester needle felt filter bag which provides a
minimum efficiency of 99% dust at 0.3-1.0μm .The secondary stage is “TORAY” cartridge filter which imported from Japan . This cartridge filter coated with PTFE film can ensure the filter efficiency up to 99% at 0.3μm dust. PM2.5 can be removed effectively under this filter fineness.


2.Adopts hand-pulled reverse jetting device which can deal with the dust on the filter more efficiently,
and save resource at the same time.
• Unique continuous disposal Longopac® bag structure makes installing and releasing more convenient. Bagging is folded by tube plastic bags, and it can be continuously pull out. When it collects a certain amount of dust, user can seal the bag by cable ties (refer to the picture), and cut the bagging. Then user can continue using the next bag. It’s very economical and practical.


 3.Adopts Schneider brand electric control components

• It's equipped with the digital display pressure switch that can remind the user of cleaning the machine.
• It uses the four-core socket and plug that can be well matched with the floor grinder.


  1. Whole gearbox run promotes the life time and security of machine; large work areas improve the work efficiency.
  2. With battery charge function for walking.
  3. Convenient to walk during un-operation, it could walk about 4-5 kilometer without power when it's fully charged.
  4. Easy to change the polishing pads, hydraulic lifting function for up and down the chassis.
  5. With multifunction plate include magnetic discs and Velcro discs meet different clients’ demand.
  6. Eight plates, each fix 3 pieces small discs, total 24 pieces small discs one machine, each time need fix 24 pieces polishing pads.
  7. With inverter could adjust the speed from 0 to 1500 rmp.
  8. With industry vacuum cleaner.
  9. Use import NSK bearing.


For stone leveling, stone polishing and grinding, concrete polishing and grinding, also apply to remove the old coat of epoxy etc...

Detailed Images





Iron frame and frame cover with film












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