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STI 2807 Prep/Master Grinder

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  • STI-2807 Prep/Master Grinder
  • STI-2807 Prep/Master Grinder
$17,660.00
SKU:
432807

 Product Description

Ideal for Polishing Projects up to 2,000 SF (200 M2)

The STI-2807 floor grinding machine is designed for small to medium-sized commercial projects and residential garage finishing. This machine is the smallest of the P/M machine line, but still produces perfect results in grinding or polishing. Its 7.5HP motor is built to last and its variable speed drive easily adapts to different grinding or polishing conditions for concrete, terrazzo, marble, and stone applications.

The moveable pocket weight system adjusts head pressure depending upon application and the standard water tank makes it easy to switch from dry to wet work. Available in 230V or 480V. Uses two tool plates (included). Recommended for project sizes up to 2,000 SF (200m2).

Working width: 28 in. (71cm)
7.5 HP (5.5kW)
1 or 3 phase
Available in 230V or 480V
2 tool plates (included)
Uses 6 tools

Specifications:

  • Coverage: 2,000 SF (200 m2)
  • Power Source: 220/230 VAC 1 or 3 Phase, 60Hz or 380/480 VAC 3 Phase, 50-60Hz
  • Motor: 7.5 HP - 3 phase (5.5kW)
  • Power Cord: 30 ft. (9m) | 8-4
  • Dimensions: 57 L x 28 W x 51 H (in. 145 x 71 x 130 cm)
  • Working Width: 28 in. (71 cm)
  • Working Width: 28 in. (71 cm)
  • Weight: 743 lbs (337 kg)
  • Tools RPM: 300-750 RPM variable
  • Tools Needed: 6
  • Tools Attachment Style: EG Attachment System
  • Vacuum Hose Connection: 3 in. (76 mm) (sold separately)
  • Recommended Vacuum: PM3003AR (300 CFM) or equivalent

Production Rates:

  • Mastic Removal: 375 SF (35 m2) per hr
  • Thin Set Removal: 425 SF (40 m2) per hr
  • Mil Coatings Removal: 225 SF (21 m2) per hr
  • Concrete Polishing: 575 SF (53 m2) per hr

 Warranty Information

Prep/Master® Warranty

Substrate Technology guarantees that its machines and products are without manufacturing defects. The warranty period on machines is one (1) year from the date of sale and the variable speed drive carries a two (2) year warranty from the date of sale. Substrate Technology will replace any part that is defective at its own cost within the warranty period. This warranty does not cover wear items or instances of abuse or neglect.

 Other Details

Motor:
7.5 HP - 3 phase | 5.5 kW
Power Source:
220/230 VAC 1 or 3 Phase 60 Hz or 380/480 VAC 3 Phase 50-60 Hz
Current:
40 Amp/ 21 Amp Soft Start or 13 Amp Soft Start
Motor RPM:
2625 @ 90 Hz
Power Cord:
25 ft/ 8 m (10-4)
Vacuum Hose (sold separately):
3 in/ 76 mm x 25 ft/ 8 m
Weight:
684 lbs | 310 kg
Tool RPM:
250 RPM (30 Hz) to 750 RPM (90 Hz)
Pressure on Tools:
650 lbs/ 295 kg with weights
Tools Available:
All
Dimensions:
63" L x 28" W x 50" H / 160 cm x 71 cm x 127 cm
Cleaning Path:
14"/ 35cm x 49"/ 124cm sweep
Mastic Removal:
350 sq ft/ 32.5 sq m per hour
Thin Set Removal:
400 sq ft/ 37 sq m per hour
Mil Coatings Removal:
200 sq ft/ 18.5 sq m per hour
Concrete Polishing:
550 sq ft/ 51 sq m per hour
Product Data Sheet:
Product Manual:

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