What is Cast Iron Wafer Butterfly Valve? A wafer design butterfly valve is developed to make the full elimination of a control valve from a pipe easy, without influencing the stability of the line. In the 'wafer' version, the worth is pressed in between or fastened with flanges (what https://stephenvaazz.oblogation.com/36540869/understanding-the-advantages-applications-industrial-piping-systems-resilient-affordable-flow-control-service-valves-for-actors-iron-wafer-butterfly-shutoff