Group of industrial butterfly valves with various colored lever handles

What It Means to Be on an End User’s Approved Manufacturer List (AML)

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Refining, chemical, and other industrial processing facilities operate under extreme pressure, high temperatures, and strict environmental regulations. They rely on high-performance flow control equipment to prevent unplanned downtime and protect worker safety. That’s where an approved manufacturer list, or AML, comes in. If you’ve heard the term used internally but are unsure exactly what it […]

OEM Valve Modifications vs. Unauthorized Third-Party Shops: What’s the Real Risk?

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Valve modification services involve adapting standard valves for corrosive media, oxygen or chlorine service, automation, and other specialized requirements. Under tight project schedules, many buyers turn to a local shop promising a quick turnaround. But an unauthorized shop may not meet the same standards as the original manufacturer, which can raise operational and compliance risks. […]

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Inside KITZ Engineered Services: The Most Commonly Requested Valve Modifications and How We Deliver Them

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In petrochemical and refinery environments, off-the-shelf valves do not always meet the full scope of application demands. Media compatibility, automation requirements, and access constraints often require thoughtful modification. KITZ Corporation of America’s Engineered Services department closes that gap and turns proven catalog valves into application-specific solutions while maintaining OEM quality and documentation. Our Engineered Services […]