What is Cast Iron Wafer Butterfly Valve? A wafer style butterfly shutoff is designed to make the full removal of a control valve from a pipeline easy, without affecting the honesty of the line. In the 'wafer' variation, the value is pushed in between or attached with flanges (what's https://cashorkez.blogkoo.com/comprehending-the-benefits-applications-industrial-piping-equipments-resilient-affordable-circulation-control-option-shutoffs-for-cast-iron-wafer-butterfly-shutoff-56863909