What is Cast Iron Wafer Butterfly Shutoff? A wafer style butterfly valve is created to make the total removal of a control valve from a pipeline very easy, without influencing the honesty of the line. In the 'wafer' version, the value is pressed between or fastened with flanges (what's https://arthurhsvsu.blogscribble.com/37704028/comprehending-the-benefits-applications-industrial-piping-systems-durable-cost-effective-circulation-control-solution-shutoffs-for-actors-iron-wafer-butterfly-valve