Strataflo Products is offering a flanged check valve for irrigation, designed for higher flow and durability. Strataflo check valve It uses the same fully-formed rubber poppet as the standard line, a more durable seal than traditional O-rings and plastic seals. The valve is made from a one-piece cast ductile iron body, with all other components of stainless steel and a body epoxy-coated with NSF-approved powder paint. Made in the US, the valves come in 3- and 4-inch pipe sizes. For more information, visit