TSI Flow Products, a Houston, Texas based business, began as a machine shop providing high pressure components to the major suppliers of API 6A gate valves around the globe. This knowledge, experience and expertise over the years expanded into high pressure flow control products. TSI Flow Products are based on field proven designs and manufactured from the highest quality materials with stringent quality control checks and statistical process control. TSI Flow Products is an API 6A Q1 and ISO 9001 licensed facility. TSI Flow Products facilities cover over 1.2 million sq.ft. under-roof for manufacturing, assembly and testing facilities. TSI Flow Products is a vertically integrated company from forge shop to test and assembly operation. Over the last 30 years, TSI Flow Products has invested significant amounts of capital into key processes, including, but not limited to: Forging Presses. Heat Treatment and Stress Relieving Operations. CNC high performance & precision machine tools with the ability to provide six sigma levels of quality with repeatable and reliable product quality. Assembly and Testing facilities. 11 TSI Flow Product locations throughout the US and Canada to provide you the product you need, when you need it. Here at TSI Flow Products we pride ourselves on our ability to design, forge, heat treat, machine and test our products in house. All of these processes are performed by TSI employees who are fully trained, knowledgeable and skilled to understand current product and quality requirements.