Passivation Equipment
Passivation equipment provides a precise and controlled process for enhancing the corrosion resistance of stainless steel and other metals. By utilizing either nitric or citric acid chemistries, these systems effectively remove free iron and surface contaminants, forming a protective oxide layer that improves durability and performance. From small ultrasonic tanks to fully enclosed automated systems, passivation solutions are designed to meet the stringent requirements of industries such as aerospace, medical, and manufacturing.
Advanced passivation systems integrate essential features like precise chemical control, temperature regulation, and exhaust management to ensure safe and efficient operation. Proper ventilation is particularly critical for nitric acid-based processes, where managing emissions is necessary for workplace safety and regulatory compliance. Whether for small-scale batch processing or high-volume automated production, these systems deliver consistent results while prioritizing safety and environmental responsibility.
Manual Multi-tank
multi-tank system is an efficient and cost-effective solution for small-scale manual passivation using citric acid. Designed with industrial-grade reliability, this system features ultrasonic cleaning with sweep, degas, and normal frequency functions to ensure thorough surface treatment. With temperature-controlled heating in three tanks for optimal performance and a dedicated drip/dry tank, it streamlines the passivation process while maintaining precision and consistency. Built with stainless steel construction and high-quality transducers, this system provides a durable, long-lasting solution for passivating stainless steel components.
| Model | Tank Size (LxWxH) | Tank Capacity | Average Power | Overall Size (W x D x H) |
|---|---|---|---|---|
| FMT-2.5L-4T | 6"x5.25"x6" | 2.5 L / 0.66 Gal. | 250 Watts | 24 cm x 15 cm x 25 cm (24"x6"x10") |
| FMT-3L-4T | 9"x5.5"x4" | 3 L / 0.75 Gal. | 300 Watts | 24 cm x 23 cm x 20 cm (24"x9"x8") |
| FMT-6L-4T | 11.75"x6"x6" | 6 L / 1.5 Gal. | 750 Watts | 28 cm x 33 cm x 25 cm (28"x13"x10") |
| FMT-8L-4T | 11.75"x9.5"x4" | 8 L / 2.1 Gal. | 850 Watts | 36 cm x 28 cm x 20 cm (36"x11"x8") |
| FMT-11L-4T | 12"x9"x6" | 11 L / 3.5 Gal. | 960 Watts | 36 cm x 33 cm x 20 cm (36"x13"x8") |
| FMT-15L-4T | 11.5"x11"x8" | 15 L / 4.5 Gal. | 1200 Watts | 52 cm x 38 cm x 30 cm (52"x15"x12") |
| FMT-25L-4T | 18.5"x11.5"x8" | 25 L / 7.5 Gal. | 2000 Watts Heat / 1500 Watts Ultras. | 63 cm x 64 cm x 38 cm (63"x25"x15") |
| FMT-9L-4T | 19"x6"x6" | 9 L / 2.5 Gal. | 2000 Watts Heat / 1500 Watts Ultras. | 65 cm x 33 cm x 25 cm (65"x13"x10") |
Manual Passivation Consoles
Manual passivation consoles provide a flexible and controlled solution for small-scale passivation, accommodating both citric and, with proper PPE and exhaust, nitric acid. These systems offer a contained work area with operator-controlled processing, ensuring precision and safety during treatment. Featuring durable stainless steel construction, integrated ventilation options, and temperature control, they provide a reliable and efficient passivation method. While nitric acid can be used when necessary, citric acid remains the preferred choice for its safety, environmental benefits, and effectiveness in removing free iron from stainless steel surfaces.
A typical manual console passivation process follows a structured sequence: washing removes oils, greases, and particulate contamination, followed by a rinse to remove washing detergent so as not to dilute the passivation fluid. The passivation stage then applies citric or nitric acid to remove free iron and enhance corrosion resistance. After passivation, parts undergo a one- or two-stage rinse, ensuring complete acid removal before drying. In some cases, when using citric acid, the washing and passivation steps can be combined into a single station to improve efficiency, but this should be evaluated based on contamination levels and process requirements.
Manual passivation systems are made to order, allowing for customization in size, features, and materials to match the specific application and chemistry used. Systems can be designed with tailored work areas, integrated ventilation, adjustable temperature controls, and material compatibility to ensure optimal performance and safety. Whether accommodating larger parts, specific process requirements, or enhanced operator control features, these systems can be configured to meet the exact needs of the user while maintaining efficiency and compliance with industry standards.
Automated Passivation Consoles
Automated Passivation Consoles are compact, self-contained systems designed for efficient, repeatable, and safe metal surface treatment. These systems utilize an automated fill-and-drain process, sequentially cycling cleaning, rinsing, and passivation fluids while minimizing operator exposure to hazardous chemicals. Their enclosed design and integrated exhaust system ensure a controlled environment, reducing airborne vapor emissions and maintaining a safe workspace.
Optimized for Industrial Applications:
Designed for aerospace, medical, and precision manufacturing, Automated Passivation Consoles ensure compliance with ASTM A967, enhance process efficiency, and prioritize safety. Their advanced vapor containment and exhaust system significantly reduce the risks associated with nitric acid fumes, making them a superior choice for high-performance passivation in regulated industries.
Passivation Chamber
The Automated Passivation Chamber is a self-contained, precision-controlled system designed for safe and efficient metal surface treatment. By utilizing an automated fill-and-drain process, this system eliminates the need for manual fluid handling, ensuring repeatable, high-quality results while significantly reducing operator exposure to hazardous chemicals.
Process Overview:
Wash (Optional) – A detergent or cleaning fluid removes oils, residues, and contaminants if required.
Rinse – The chamber fills with rinse water to eliminate any remaining detergent or debris.
Passivation – A controlled immersion in passivation acid (citric or nitric) removes free iron and enhances corrosion resistance.
Rinse – The chamber is refilled with fresh rinse water to clear residual passivation acid.
Final Fresh Water Rinse – Ensures a clean, residue-free surface for optimal performance.
Optional Forced Air Drying – High-efficiency air drying can be applied for moisture removal and faster processing.
Safety & Environmental Benefits:
No Part Motion: The stationary design prevents splashing and agitation, minimizing acid vapor generation and exposure.
Reduced Operator Risk: The automated system limits direct handling of chemicals, significantly decreasing operator exposure to nitric acid fumes.
Controlled Acid Vapor Emission: The closed, fill-and-drain process minimizes airborne acid vapors, enhancing workplace safety and air quality.
Efficient Chemical Use: Automated fluid cycling optimizes chemical consumption, reducing waste and lowering operating costs.
Designed for aerospace, medical, and precision manufacturing industries, the Automated Passivation Chamber ensures process reliability, compliance with ASTM A967, and enhanced operator safety, making it an ideal solution for high-performance metal treatment applications.
Passivation Chemicals
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Medical Nitric Acid
Pre-Mixed ASTM and Medical Device Standards
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Aerospace Nitric Acid
Pre-Mixed ASTM Standards
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Citric Acid Passivation
A complete line of Citric Acid Solutions
Other Product Categories
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Aqueous Systems
Spray Washers, Agitation Washers, Consoles, Conveyors
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Solvent Degreasers
Open Top, Vacuum, CO2, Low Flashpoint
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Ultrasonics
Cleaning Tanks, Transducers, Consoles
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Vapor Blasting
Water + Blasting Media + Air Pressure
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Aqueous Chemistry
Choose the right chemistry for your application.
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CO2 Cleaning
CO2 Spray and Liquid CO2 Degreasing units
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Passivation
Consoles and Chemicals for the Passivation of Metal Parts
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Chemical - Solvent
Engineered Cleaning Solvents, Hydrocarbons/Modified Alcohol, IPA, Acetone
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Parts Finishing
Barrel, Vibratory, Wet and Dry Blasting
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Spray Washing
Rotation, Conveyors, Chambers
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