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AFS 30" Diameter PVC Kor-Flo Tank Access Riser

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The Automated Flow Systems (AFS) PVC Kor-Flo TM 30" septic tank risers provide access to septic tank openings. Constructed of ribbed PVC pipe, these plastic septic tank risers are available in the following 30 in. diameter.

Automated Flow Systems PVC Ribbed 30" Diameter Septic Tank Riser Typical Applications

  • Septic Tanks
  • Pump Tanks
  • Pump Basin Extensions
  • Valve Vaults
  • Electrical Vaults
  • Drip System Headwork Vaults

Automatic Flow Systems PVC Ribbed Riser Technical Details

  • Inside Diameter 29.5 inches
  • Outside Diameter 32.13 inches
  • Rib spacing 2 inches
  • Risers come in various diameters and can be cast into a concrete tank, or bolted down with adapters.
  • Adapter rings can also be cast right into a concrete tank.
  • Risers and adapters can be easily bonded to fiberglass tanks with a structural adhesive.
  • Grade rings allow installers to stack extensions onto risers in the field.
  • Accessories such as adhesive, pipe grommets, cord grips, splice boxes, pipe cutting and drilling tools, insulation, vents, and fiberglass brackets are available.

WARNING Cancer and Reproductive Harm - Cancer and Reproductive Harm -

Automated Flow Systems PVC Ribbed Riser Product Resources


Download Orenco Systems, Inc. Kor-Flo TM Technical Data Sheet

AFS Warranty

Automated Flow Systems (AFS) warrants to the original consumer purchaser of AFS products, that they will be free from defects in material and workmanship for the Warranty Period of 12 months from date of purchase. Our warranty will not apply to any product that, in our sole judgement, has been subject to negligence, misapplication, improper installation, or improper maintenance. Your only remedy, and AFS’s only duty, is that AFS repair or replace defective products (at AFS’s choice). You must pay all labor and shipping charges associated with this warranty and must request warranty service as soon as a problem is discovered. No request for service will be accepted if received after the Warranty Period has expired. This warranty is not transferable.

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