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Gulf Coast Modification is a factory authorized valve modification facility, offering trim changes, end connection changes, gear installation and many other valve modification services. We have a reputation for quick, on-time deliveries, high-quality and excellent documentation. Our 50,000-square-foot facility in Houston gives us the ability to modify valves of all types, classes and sizes. Additional services include cryogenic extensions, packing and gasket changes, stem extensions for buried service and cleaning for oxygen or chlorine service. Our 24/7 on-call team is ready to assist you with all of your valve modification needs. Please contact us for more information.