OUR QUALITY PROMISE The Southern Valve Flow quality system operates in accordance with all international specifications and needs. Our staff has engineering experience in the butterfly valve and electric areas. We ensure all valves are tested before they leave our location in the United States. VALVE PRODUCTS Our products are manufactured, developed and tested here in the good ol’ United States of America. The valves are crafted from industrial strength materials such as stainless steel, PVC, brass and cast iron. We are constantly working closely with your engineers we will help you select the correct valve and actuator combination for your application. Southern Flow Valves are developing new applications for many different valves and building partnerships to develop new valve products and actuators for even more capable products into the 21st century and beyond.