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home Best Technology / Passivation Equipment & Ultrasonic Passivation Systems for Stainless Steel with Nitric / Citric Acid / Benchtop Ultrasonic Stainless Steel Passivation Equipment

Benchtop Ultrasonic Stainless Steel Passivation Equipment

  • System Description
  • Common Applications
  • Common Configurations

Our multi-tank ultrasonic stainless steel part passivation equipment combined with our model hot air dryer make an effective passivation line by housing heated cleaning solution, cascading DI rinse water, citric or nitric acid passivation solution, and a final cascading DI rinse water with a final hot air drying step.

Small 386P Benchtop Ultrasonic
Stainless Steel Passivation Machine

Small Stainless Steel Passivation Machine

The process moves from left to right. Parts are cleaned, rinsed, passivated, rinsed and then dried. The clean and passivation tanks can be optionally equipped with pump filter systems which provide 5-micron filtration of the cleaning and passivation solution. The common configuration of parts cleaning machines is 3.5 gallon tanks, as shown below, but any size tanks can be used.

3.5 Gallon 782P Benchtop Ultrasonic
Stainless Steel Passivation Equipment

Tabletop MultiTank Ultrasonic Passivation System

9-Gallon 188P Benchtop Ultrasonic
Stainless Steel Passivation System

Manual Ultrasonic Citric Acid Passivation System

18-Gallon E782RC Semi-Automated Inline
Citric Passivation Console

Semi-Automated Inline Citric Passivation Solution

Need Larger Stainless Steel Passivation Equipment?

Ultrasonic-Automated-Passivation-System

Our automated passivation systems are typically lower cost than our multi-tank steel benchtop passivation systems and give you all the benefits of automation.

Common Applications for Stainless Steel Passivation Equipment

  • Ultrasonic part cleaning of water soluble machining coolants, chips, particulate, and true machining/cutting oils, buffing and lapping compounds.
  • Medical device stainless steel parts cleaning and passivation
  • Aerospace parts cleaning and passivation
  • Nitric acid passivation type 2, 3, 4 ASTM A967
  • Citric acid passivation type 1, 2, 3, 4, & 5 ASTM A967 using CitriSurf® by Stellar Solutions
  • General washing for maintenance, manufacturing, rework and/or remanufacturing.

Common Configurations

We offer this system in a console unit in the 1.25 and 3.5 gallon models. We can easily make any tank configuration sizing required for your application with little to no additional custom size pricing.

Model Series Liquid Capacity
(gallon)
Inside Working Zones
(l x w x h)
386P 1.25 9.5″ x 5.5″ x 6″
782P 3.5 12″ x 10″ x 8″
499P 5 15″ x 10″ x 8″
598P 7.5 36″ x 8″ x 6″
188P 9 18″ x 12″ x 10″
487P 12 24″ x 12″ x 10″
300P 15 24″ x 24″ x 6″
592P 18 24″ x 14″ x 12″
1001P 26 25″ x 18″ x 14″
29P 29 36″ x 14″ x 14″

Latest News & Products from Best Technology

Semi-Automated Inline Citric Passivation Solution with Data Tracking

For one medical device manufacturer, the design of a citric passivation solution faced two major challenges: The manufacturing process required performing a water-break test after cleaning parts, before proceeding to passivation. This meant that they could not use a fully automated passivation solution. The system had to have data tracking for quality control purposes. Semi-Automated […]

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