Poly Basin Extensions


The AK Industries Polyethylene constructed basin risers / extensions are great for changing inlet depths, due to grade adjustments. The risers are available nearly all of our polyethylene sump and sewage pit line.

Material: Non-Corrosive, No Break High Density Polyethylene

Warranty: One Year

Non- Corrosive Polyethylene Construction

Available In 6″ & 12″ Lengths

Available in 18″, 24″ & 36″ Inside Diameters

Easily Bolts To Existing Basins In Minutes

Includes Gasket And Bolt Pack

Accepts All 18″, 24″ & 36″ Covers

Rotationally Molded With No Seams

Part Number Description Technical Drawing
AKP10260 18″ x 12″ Extension AKP10260 (PDF)
AKP10270 18″ x 6″ Extenion AKP10270 (PDF)
AKP20005 24″ x 12″ Poly Rib Basin Extension AKP20005 (PDF)
AKP20250 36″ x 12″ Poly Rib Basin Extension AKP20250 (PDF)


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