What is Cast Iron Wafer Butterfly Valve? A wafer style butterfly valve is designed to make the complete elimination of a control valve from a pipe easy, without influencing the honesty of the line. In the 'wafer' variation, the value is pressed in between or secured with flanges (what https://waylonyyume.blogchaat.com/37711077/comprehending-the-benefits-applications-industrial-piping-systems-resilient-affordable-flow-control-service-valves-for-actors-iron-wafer-butterfly-shutoff