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.


  • 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


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)