FIVALCO is an inventor and leading manufacturer of superior flow control products. Our products are design-tested and certified by the leading testing agencies, including Underwriters Laboratories (UL) and Factory Mutual (FM), based on a wide range of global standards. Founded in 1985 by Michael J. Graham in California, USA, after a successful international career in flow control and piping products, we have dedicated ourselves to the production of critical flow control products for fire protection service, saving lives and protecting property. Today, FIVALCO is a widely recognized brand name synonymous with a quality approach to manufacturing valves for demanding applications in Fire Protection, Heating Ventilation and Air Conditioning (HVAC), Water Works, Water Treatment, General Industries. Fivalco’s legacy starts with innovative engineering and superior construction, built upon proven science and cutting-edge technology. Commitment to quality and performance are at the top of our agenda. From start to completion, and design to construction, every piece is to built to perfection.