PureFlex® Series 200 Black Glass Filled 411 Derakane Premium Vinyl Ester Swing Check Valve, 175 psig, 200 deg F

The 200 series valve is a full face wafer design that conforms to ISO 9001 standards and ANSI B16.5 Class 150. They are built to be corrosion resistant and can unseat with less that 1 psig of pressure. It can also seat itself without any flow, in both horizontal and vertical lines.