Astropak

Precision cleaning, Citric passivation and Ultra Pass passivation of high purity gas and fluid systems treat and improves the surface condition of stainless steel by dissolving iron that has been imbedded in the surface during forming or machining.

Precision cleaning companies are committed to providing their clients with the level of excellence they expect and deserve. High purity cleaning and Ultra Pass passivation is an integral part of system preparation and maintenance. They believe the synergism of technical knowledge, logistical mobility, superior equipment and a dedicated field experienced staff will provide Owner with the highest economic return. Furthermore, their processes and procedures meet or exceed Industry Standards such as ASTM A-967 and ASTM A-380.

Passivation is the chemical treatment process by which the electrochemical condition of passivity is obtained on the surface of metal alloys. Passivity as it relates to austenitic stainless steel is the state in which chemical reactivity is minimized under special environmental conditions, such that the metal exhibits a very low corrosion rate.

Astro Pak has been precision cleaning and passivating high purity stainless steel systems and components since 1959. The processes they carry out when they passivate include citric acid based or nitric acid based chemistries depending on customer specifications and industry standards.

Services Include:

Pre-operational alkaline cleaning

Citric Acid passivation of stainless steel

Nitric Acid passivation of stainless steel and other alloys

Preventative maintenance high purity cleaning and Nitric passivation

Derouging of fouled piping and equipment

Sanitization of process and utility piping

Particulate flushing of pre-operational construction debris

1. Biofilm and organic deposits removal

Testing Includes:

1. Iron dissolution testing

2. Conductivity rinseate testing

3. Temperature, flow and PH monitoring

4. Water quality

The ability to passivate components utilizing the Ultra Pass ® passivation process meets industry standards and provides the best solution for service expectations.

Who is Astropak?

With a staff over 140, and service centers worldwide, Astro Pak has the capability to perform in-house or onsite high purity cleaning and Ultra Pass passivation for the following systems:

1. Water for Injection

2. Pure Steam

3. Reverse Osmosis

4. De-ionized Water

5. High Purity Gas and Vacuum

6. Product and Process

7. WFI Stills

8. Pure Steam Generators

9. CIP and SIP Skids and Components

10. Autoclave and Isolation Barriers

11. Vessels and Tanks

12. Fermenters and Bio-reactors

Equipment Used

• pH meter
• Conductivity Meter
• Hach Colorimeter
• 480v. Passivation pump skid with filtration, flow control, heat exchanger, temperature and flow gauges, and mix tank.
• Teflon-lined, stainless steel encased hoses
• Temporary stainless steel tubing

Disclaimer: This blog or article is for information purpose only, and should not be treated a professional advise or price protection guarantee. This blog is mainly used for search engine optimization and other commercial purposes and it is advised that readers seek professional consultation in the field of interest for more information.

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Disclaimer: This blog or article is for information purpose only, and should not be treated a professional advise or price protection guarantee. This blog is mainly used for search engine optimization and other commercial purposes and it is advised that readers seek professional consultation in the field of interest for more information.