What is Cast Iron Wafer Butterfly Shutoff? A wafer design butterfly valve is developed to make the complete elimination of a control valve from a pipe easy, without impacting the integrity of the line. In the 'wafer' variation, the value is pushed between or attached with flanges (what benefits https://paxtoniihua.canariblogs.com/understanding-the-advantages-applications-industrial-piping-equipments-long-lasting-cost-effective-flow-control-remedy-valves-for-cast-iron-wafer-butterfly-valve-52350852