CWT Valve is the supplier of Butterfly Valve, and we keep track of the product with quality checks and make sure to excel within industrial principles. At present, there is a kind of butterfly valve that is also called a triple eccentric multiplex ring metal-seat butterfly valve. Butterfly valves are greatly used in advanced technologies because the valve body and the valve seat are one piece. Contact Us: CWT Valve Industries Email: info@cwtvalve.com Phone No: +1 403-8006686 Address: 234-5149 Country Hills Blvd NW, Calgary, AB, Canada T3A 5K8