Stainless steel tanks are well-known for their longevity, durability, and versatility, making them one of the most popular options for manufacturing and storage applications across many industries – including breweries, dairy processing plants, pharmaceutical companies, and cosmetics manufacturers. These tanks process and store the liquid materials and chemicals used in all of these production areas and offer a robust reputation for quality control – whether by maintaining product integrity or facilitating safety measures. Guaranteeing the quality and dependability of these tanks necessitates stringent quality control measures of their own in order to optimize product performance and consistency.
Quality Control: Material Selection
When fabricating a storage or manufacturing tank, choosing the appropriate stainless steel materials is vital. Various grades of stainless steel provide graduated levels of corrosion resistance, temperature control/tolerance, and strength. A comprehensive understanding of each specific application—as well as associated operating conditions—is required to choose the right stainless steel grade for optimal performance and tank longevity.
Quality Control: Fabrication Techniques
The fabrication process is critical to determining the quality and structural integrity of the required storage tanks. Quality control protocols such as precise cutting, welding, and forming methods are vital for guaranteeing consistency, uniformity, and durability, as well as seams that will not leak under extreme pressure and heat. Professional welders and fabricators follow stringent industry best practices and quality standards to manufacture tanks that meet or exceed client expectations and needs.
Controlling Quality in Welding
Welding is a crucial aspect of stainless-steel tank fabrication, as the integrity of welds directly influences the tank’s performance, longevity, and strength. Quality control measures include weld inspections, welder qualifications, and non-destructive testing (NDT) needed to ensure that the welds do not present any defects or imperfections that may compromise the tank’s structural integrity or leak resistance.
Surface Finish and Polishing
The surface finish of stainless steel tanks is not only important so that the tank looks good on the manufacturing floor. In fact, the surface finish is integral to not only enhancing aesthetics but also ensuring optimal corrosion resistance, cleanliness, and integrity. Quality control protocols include the preparation, polishing, and passivation* of the steel surface – all of which work to deliver smooth, hygienic tank surfaces that resist bacterial growth and wear and tear, especially corrosion. Surface finishing is vital for applications in many industries, especially food processing, pharmaceutical, and sanitary. * Passivation is a corrosion protection method that involves treating the steel to render it less vulnerable to chemical reactions that may lead to tank failure. The process builds a protective oxide layer that creates a surface more resistant to corrosion and oxidation.
Quality Control: Leak and Pressure Testing
Leak testing and pressure testing are essential measures used in quality control efforts. These tests fortify the integrity and leak resistance of stainless-steel storage tanks. Several different testing methods – including pneumatic testing, hydrostatic testing, and vacuum testing – are used to find any leaks or defects that may be inherent in the welds, fittings, or seams. Comprehensive testing ensures that the tank can contain, process and store the intended contents safely – without worry of leakage or contamination.
Compliance with Standards
Staying in compliance with stainless steel industry standards and regulatory requirements is an essential aspect of quality control. Tanks made of this material are required to follow all relevant codes, standards, and regulations that apply to their specific industry. Quality control processes guarantee that tanks meet or exceed safety and performance standards.
Trust Zwirner Equipment for Quality Control
If you are seeking high-quality stainless steel tanks—no matter the application—call Zwirner Equipment. We adhere to strict quality control procedures that allow us to offer used, refurbished, and fabricated steel tanks at an affordable cost. We stand behind our workmanship and reputation, and we look forward to helping your company acquire the manufacturing equipment needed for success.
