What is Cast Iron Wafer Butterfly Valve? A wafer style butterfly shutoff is made to make the total elimination of a control valve from a pipeline easy, without impacting the integrity of the line. In the 'wafer' version, the value is pressed in between or fastened with flanges (what https://castironwaferbutterflyval03345.wssblogs.com/37399740/understanding-the-conveniences-applications-industrial-piping-systems-long-lasting-cost-effective-flow-control-solution-valves-for-actors-iron-wafer-butterfly-shutoff