Steriflow is your single source for high performance, high quality, sanitary valves and accessories. We have earned our reputation for quality through twenty-five years of success in bio-pharmaceutical, pharmaceutical, food, cosmetics, and clean process industries. We have the most experience in designing and manufacturing valves, steam traps and applications in the industry. Over the years, Steriflow has sold thousands of sanitary control valves and pressure regulators into the most demanding applications. From precise nutrient and WFI flow control into bioreactors, to flow control of buffer into delicate chromatography columns, the world's premier pharmaceutical and biotech firms call on Steriflow to help them research, develop and manufacturer their cutting-edge products. Our control valve and regulator diaphragms have an industry first and best, lifetime warranty. We have so thoroughly vetted our diaphragm that if it ever fails while operating within the valve design parameters, we will replace the diaphragm, and ship it anywhere in the world at our expense.