20 Cu Ft Roto-Finish ST-20 Vibratory Bowl w/ Parts Discharge | 7.5HP | 1983 Build

Roto-Finish ST-20 Spiratron Vibratory Finisher

20 Cubic Foot | S/N 20M-80-83 | EXCELLENT LINER CONDITION

Available for immediate acquisition is this Roto-Finish ST-20, the industry standard for high-volume deburring and polishing. This 1983 "Heavy Iron" model has been exceptionally well-maintained, featuring a polyurethane liner in good condition—a critical factor that ensures immediate production readiness and long-term cost savings.

Technical Specifications:

• Model: ST-20 Spiratron (Straight-Wall Design)
• Capacity: 20 Cubic Feet (Working Volume)
• Serial Number: 20M-80-83 (1983 Build)
• Power: 230/460V, 3-Phase
• Footprint: Approx. 72" Diameter Bowl

Key Features & Condition:

• Premium Liner Integrity: The interior polyurethane lining is intact and in good operational condition. Buyers can deploy this unit immediately without the significant downtime and expense of a factory reline.
• Automated Part Separation: Includes the pneumatic dam and internal screening deck for efficient media/part separation during the discharge cycle.
• Rugged 1980s Build: Engineered with the heavy-duty cast components that define Roto-Finish's most durable era, offering superior vibration dampening and stability.
• Versatile Media Compatibility: Ideal for ceramic, plastic, or steel media applications across aerospace, automotive, and medical manufacturing sectors.

Dealer Notes: Finding a 20-cubic-foot bowl of this vintage with a preserved liner is rare. This unit is a "plug-and-play" solution for shops looking to scale their finishing capacity without the $30k+ investment of a new system. YouTube video: https://www.youtube.com/watch?v=WKiV1mlOXZM