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Alpha PSP-158/114 Pneumatic Polisher
Alpha PSP-158/114 Pneumatic Polisher
Alpha PSP-158/114 Pneumatic Polisher
Alpha PSP-158/114 Pneumatic Polisher
Alpha PSP-158/114 Pneumatic Polisher
Alpha PSP-158/114 Pneumatic Polisher

Alpha PSP-158/114 Pneumatic Polisher

Wet Pneumatic Polisher for Stone, Concrete & Masonry

$433.08 - $433.08
$433.08
$433.08 - $433.08
$433.08
Alpha  |  MPN: PSP-158  |  UPC: 749173430275
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Model: PSP-158

PSP-158 Pneumatic Polisher Specifications

  • Maximum RPM: 5,500
  • Spindle Thread: 5/8"-11
  • Air Pressure: 90 PSI (6.2 Bar)
  • Air Consumption: 21 CFM (594 L/min)
  • Weight: 3 lbs (1.37 kg)
  • Maximum Horsepower: 0.70 HP

The Alpha PSP-158/114 Pneumatic Polisher is a wet air-powered polisher designed for polishing and grinding stone, concrete, and masonry surfaces. Its central water-feed system delivers water directly to the work surface while providing up to 5,500 RPM for controlled material removal and finishing.

Key Features
  • Central Water Feed: Delivers water directly to the polishing surface.
  • 5,500 RPM Motor: Supports polishing and grinding applications.
  • Dual Spindle Options: Available in 5/8"-11 or M14-2 configurations.
  • Air-Powered Operation: Runs on 90 PSI compressed air systems.
  • 30-Foot Hose Assembly: Includes integrated air and water supply hose.
  • Lightweight Design: Weighs only 3 lbs for improved control.
Best For
  • Wet polishing stone surfaces
  • Concrete polishing and grinding
  • Granite, marble, and engineered stone fabrication
  • Air-powered polishing applications
  • Surface finishing and edge polishing

Why Professionals Choose Tile This

  • Free shipping on eligible orders $200+
  • Same-day shipping before 2 PM CST (Mon–Sat) for in-stock items
  • Eligible for our Contractor Pricing Program
  • Authorized Alpha Dealer
Alpha PSP-158/114 Pneumatic Polisher PSP-158 $433.08

Description

The Alpha PSP-158/114 Pneumatic Polisher is a wet air-powered polisher designed for polishing and grinding stone, concrete, and masonry surfaces. Its central water-feed system delivers water directly to the polishing interface while operating at speeds up to 5,500 RPM.

Available with either a 5/8"-11 spindle (PSP-158) or M14-2 spindle (PSP-114), the polisher operates on 90 PSI compressed air and includes a 30-foot air and water hose assembly, exhaust hose, quick-connect ball valve, rust inhibitor oil, and reusable toolbox.

Specifications

Specification Details
Models PSP-158 / PSP-114
Air Pressure 90 PSI (6.2 Bar)
Air Consumption 21 CFM (594 L/min)
No Load Speed 5,500 RPM
Weight 3 lbs (1.37 kg)
Spindle Options 5/8"-11 or M14-2
Max Horsepower 0.70 HP
Included Accessories 30 ft Air/Water Hose, Exhaust Hose, Ball Valve, Oil, Toolbox

Frequently Asked Questions

What is the difference between the PSP-158 and PSP-114?
The PSP-158 features a 5/8"-11 spindle, while the PSP-114 features an M14-2 spindle.
Does this polisher require water during operation?
The tool is designed for wet polishing and includes a central water-feed system that delivers water directly to the polishing surface.
What air supply is required?
The polisher requires 90 PSI operating pressure and 21 CFM of airflow.
What materials can be polished with this tool?
The polisher is designed for stone, concrete, masonry, granite, marble, and engineered stone surfaces.
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