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LaGrange Products


Every quality assurance and continuous improvement program our company facilitates represents an ongoing, never-ending commitment to the development and betterment of our products, services and processes. Our company serves customers from all points of the globe, and satisfies a variety of inspections, including the American Bureau of Shipping, Australian Standard AS1210, the American Welding Society, OSHA and the Canadian Registration, to name a few. In addition, we perform hydrostatic-integrity tests on 100% of the vessels we produce.

Quality Assurance

Quality Assurance is a process or program set up to ensure that our customer’s specified quality and satisfaction requirements are being met. All aspects of the job are regulated, including design, purchasing, raw materials, R&D, production, and after-the-sale service.

LaGrange Products Quality Assurance emphasizes identifying defects before they find their way into the final product.

 Continuous Improvement

Continuous Improvement is a never-ending, flexible management effort that seeks to improve products, services and processes. It can focus on small tweaks as well as large process changes, and is set in motion by feedback from anyone along the purchasing, design, manufacturing and delivery process. At LaGrange Products, our processes are constantly monitored to improve the efficiency and effectiveness of our manufacturing processes.

100% Hydrostatic-Integrity Testing

A Hydrostatic Test is a commonly-used non-destructive method of checking the integrity of pressure vessels. The vessel is filled with liquid, and air is purged from the system. The test pressure is at least 1.3 times higher than the standard operating pressure of the vessel. At test pressure, we visually inspect for welded joint leaks, flaws or permanent changes in shape. LaGrange Products performs Hydrostatic-Integrity Tests on 100% of the pressure vessels we produce.

Non-destructive Examination (NDE)

Non-Destructive Examination is used to locate imperfections in a pressure vessel without destroying the vessel. Several methods are employed, including visual testing, hardness testing, radiography, ultrasonic testing, magnetic particle testing and liquid penetrant testing. These processes are designed to ensure a higher level of joint efficiencies and high quality vessels.

American Welding Society (AWS)

The American Welding Society is a nonprofit, international organization that advances the science, technology and safety procedures of welding. The AWS was created in 1919, and now boasts close to 50,000 members worldwide. LaGrange Products follows AWS standard practices when producing pressure vessels.

Occupational Safety and Health Association (OSHA)

The Occupational Safety and Health Association sets standards and conducts workplace inspections to ensure that employers provide a safe and healthful workplace for their employees. OSHA was formed in 1970 as an agency of the U.S. Department of Labor, and is the main federal agency charged with the enforcement of safety and health legislation.

Numerous Additional Third-Party Inspections

Outside third-party inspections are mandatory where required by customers or agencies, when shipping pressure vessels into parts of Canada, and are also required by many other countries worldwide. As a manufacturer of pressure vessels, LaGrange Products welcomes outside third-party technical assessment and certification to prove to our clients that our manufacturing techniques comply with their particular codes and standards.