612.392.2414   |   Sales@BestTechnologyInc.com
Precision Cleaning, Passivation,
& Finishing Systems

Ultrasonic Automated Passivation Equipment

System Description |Common Applications |Common Configurations | Case Studies

Our automated ultrasonic passivation equipment using nitric or citric acid perform an automated process of cleaning-rinsing-passivation-rinsing-drying by moving the fluids from heated storage tanks into a single ultrasonic process tank, rather than moving the parts basket through a series of tanks.

With this passivation machine, the entire process required to clean, rinse, passivate, rinse, rinse and dry manufactured stainless steel metal parts is performed at the push of a button using user defined cycles via touch panel screen.  The process is PLC computer-controls the fill-and-drain sequence to cycle parts through the cleaning, rinsing, and hot air drying processes; all within a single chambered unit.

Ultrasonic Automated Passivation EquipmentUltrasonic-Automated-Passivation-System

Video: Automated Ultrasonic Passivation Equipment for Citric or Nitric Acid



Small Ultrasonic Automated Passivation Equipment


Modular heated storage tanks complete the Ultrasonic cleaning machine for re-use of detergents and rinse water. This system configuration removes operator interaction, variability and eliminates exposure to chemicals.The end result is higher quality cleaned and passivated parts with tighter process controls which can be easily validated for regulated products like medical device and aerospace.  The operator simply puts dirty, dry parts in, hits start and returns to cleaned, passivated and dry parts.

Need More Throughput?  Dual Ultrasonic Automated Passivation Equipment


We move the fluids NOT the parts! Savings of nearly 50% of system cost over traditional multi-tanks with overhead basket carrier automation.


Common Applications for Automated Passivation Equipment

Typical Configurations

The automated passivation equipment configurations below are most common, but systems of any size from 3.5 to 100+ gallon and 1 foot to 15 foot long can be fabricated based on customer application for little to no custom costs.  Systems can contain pH and conductivity meters to monitor wash, acid and RO / DI rinse solutions.

Model Series


Capacity (gallons)

Ultrasonic Power


Hot Air Dryer (Watts)

Tank Dimensions (l x w x h)

Main Process Unit Dimensions

(l x w x h)

Storage Tank Capacity

(gallons ea)

1002P3.5 300150012″ x 10″ x 8″ 24″ x 13″ x 18″ (tabletop) 15
700P9 1200300018″ x 12″ x 10″ 28″ x 22″ x 39″ 15-30
992P18 1800300024″ x 14″ x 12″ 28″ x 22″ x 39″ 30

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Best Technology Inc.
14040 23rd Avenue N.   Minneapolis, MN 55447
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