Alpha AIR-850 Pneumatic Polisher

The Alpha AIR-850 Pneumatic Polisher is designed to make edge polishing on hard surfaces easier and more efficient. Its center water-feed design delivers water directly through the tool during polishing.

A newly developed motor uses a five-vane hybrid composite design to provide increased power and longer service life compared with its predecessor. The redesigned splash guard helps block water while maintaining visibility of the work area.

The AIR-850 also features improved air and water controls, a silicon gear-head boot and a water quick coupler with a shutoff valve. An enhanced spindle shaft and included full-size wrenches support easier tool removal.

Typical Applications

• Wet polishing hard-surface edges
• Professional stone fabrication
• Shop-based edge polishing

Advantages

• Center water-feed system
• Newly developed motor provides increased power
• Five-vane hybrid composite motor design
• Designed for longer motor life than its predecessor
• Splash guard helps block water while maintaining visibility
• Redesigned end case improves air and water control
• End-case design helps minimize the risk of breakage
• Silicon gear-head boot supports operator comfort
• Water quick coupler includes a shutoff valve
• Enhanced spindle shaft supports easier tool removal
• Includes full-size wrenches
• Includes 15-foot all-weather air and water hoses

Specifications

• Brand: Alpha
• Model: AIR-850
• Product type: Pneumatic polisher
• Water delivery: Center water feed
• Motor design: Five-vane hybrid composite
• Maximum no-load speed: 5,500 RPM
• Hose length: 15 feet
• Hose temperature range: -40°F to 140°F
• Water connection: Quick coupler with shutoff valve
• Gear-head protection: Silicon boot
• Included accessories: Full-size wrenches

Improved Motor Design

The AIR-850 uses a newly developed motor with five hybrid composite vanes. According to the manufacturer, this design produces more power and provides longer service life than the previous model.

Splash Control and Visibility

The redesigned splash guard helps block water spray while allowing the operator to maintain a clear view of the polishing area.

Operator Comfort and Convenience

A silicon boot cushions the gear head, while the redesigned end case improves access to the air and water controls. The water quick coupler includes a shutoff valve for convenient control during operation.

All-Weather Hoses

The included air and water hoses measure 15 feet and are rated for temperatures ranging from -40°F to 140°F.

Why Choose the Alpha AIR-850?

The Alpha AIR-850 combines center water-feed polishing with an upgraded motor, improved splash control and operator-focused features. Its enhanced spindle, all-weather hoses and redesigned controls make it a practical pneumatic polisher for professional stone fabrication.

Frequently Asked Questions

What is the maximum no-load speed of the AIR-850?

The maximum no-load speed is 5,500 RPM.

Does the polisher have a center water feed?

Yes. The AIR-850 uses a center water-feed system.

What type of motor does it use?

It features a newly developed motor with a five-vane hybrid composite design.

How long are the included hoses?

The included air and water hoses are 15 feet long.

What temperatures are the hoses rated for?

The all-weather hoses are rated for temperatures from -40°F to 140°F.

Does the polisher include wrenches?

Yes. Full-size wrenches are included to support easier tool removal.

What is the purpose of the splash guard?

The splash guard helps block water spray while maintaining visibility of the polishing area.

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