Double Flanged Butterfly Valves offer a single piece body design with flanges at either end to provide greater resistance for dead-end service. This particular TTV Butterfly Valves’ main strength is its face to face interchangeability and has been designed to meet international standards for not only Butterfly Valves but even some Gate Valves giving the End User far more options when it comes to replacing existing valves in the line. Hand polished streamlined discs result in much greater CV than alternative products on the market which makes them preferable choice for applications that require optimal performance at all times of the process.