McWane Plant and Industrial Riser Valves Overflow Valves

Features & Benefits Riser Valve Spec SheetRiser Valve Stem Thread Options Guide OVERFLOW RISER VALVES provide regulation and shut-off of flow from pipelines to furrows or checks. The durable cast iron design is engineered for years of dependable use. A variety of sizes and pipe connection types is available. KEY FEATURES High-strength, close-grained grey iron frame and cover Stainless steel stems with fully machined threads for reduced corrosion and vandalism Continuous ring synthetic rubber cover seal, and a friction-resistant synthetic washer seal Field-replaceable bronze frame nut SELECTING A RISER VALVE Select the Cover Style Red Top – traditional concave, low profile design, featuring high-strength ribs Sunshine – smooth, convex (domed) design Pasture – features a flush, key operated, self-cleaning stem for use in areas where livestock are present Select the Thread Pattern Click to view stem thread ordering guide. National Standard (vee) Thread – high strength, standard on Red Top models Acme Thread – available for all models, standard for Sunshine and Pasture models 6″ and larger Select the Pipe Style Concrete PVC Plastic (PIP/IPS)