Riser Safety Grates (RG)

Orenco® Riser Safety Grates rest on the flange at the bottom of an access riser to help prevent people or tools from falling into a tank. They are also used to prevent soil buildup in the bottoms of valve boxes. Orenco Riser Safety Grates are sized to fit Ultra-Rib™, Perma-Loc™, Kor-Flo™, and equivalent risers.

  • Polypropylene construction
  • Non-corroding
  • Easy to install
  • Sizes available for 12-inch, 18-inch, 21-inch, and 24-inch nominal diameter risers (300-mm, 450-mm, 525-mm, and 600-mm DN)
  • Fits most brands of ribbed riser pipe


Product Codes

  • RG12 — riser safety grate for 12-inch nominal diameter risers
    (300-mm DN)
  • RG18 — riser safety grate for 18-inch nominal diameter risers
    (450-mm DN)
  • RG21 — riser safety grate for 21-inch nominal diameter risers
    (525-mm DN)
  • RG24 — riser safety grate for 24-inch nominal diameter risers
    (600-mm DN)

Orenco strongly recommends that all tank risers 12-in. and larger in diameter be equipped with riser safety grates to help prevent accidental or unauthorized entry.

Technical Data Sheet

RG24 installed in 24-inch (600-mm) Riser, Cutaway View