Poly Products

18 inch Roll Top Sump & Sewage Basins

Installation Instructions (PDF)

Material: Non-Corrosive, No Break High Density Polyethylene

Weight: 18×22 10Lbs, 18×30 17Lbs

Volume: 18×22 22 Gallons, 18×30 30 Gallons

Wall Thickness:  0.250″

Warranty: One Year

Accepts Plate with Pump Feet

Accepts 3″ & 4″ Adaptaflex, PVC Hubs and Cast Iron Hubs

Reinforced Recessed Flange

8 Molded  1/4″ – 20 Inserts to protect hardware from concrete

Allows for Maximum Cover Rotation

Perfect for use in Sump or Sewage Applications

Works with dozen of cover configurations (Click Here For Available 18″ Structural Foam & Steel Covers Covers)

Features / Specifications

Part NumberDescriptionTechnical Drawing
AKP30000Roll Top 18×22 PlainAKP30000 (PDF)
AKP30020Roll Top 18×22 (2) 4″ Cast Iron Hubs, 180° Apart, 11″ Down (Installed)AKP30020 (PDF)
AKP30030Roll Top 18×22 W/ (2) 4″ Internal Hubs, 180° Apart, 11″ Down (Installed)AKP30030 (PDF)
AKP30050Roll Top 18×22 W/ (1) 4″ Cast Iron Hub, 11″ Down (Installed)AKP30050 (PDF)
AKP30060Roll Top 18×22 W/ (1) 4″ Internal Hub, 11″ Down (Installed)AKP30060 (PDF)
AKP30070Roll Top 18×30 PlainAKP30070 (PDF)
AKP30085Roll Top 18×30 W/ (1) 5″ Hole 9″ Down (Installed)AKP30085 (PDF)
AKP30115Roll Top 18×30 W/ Feet, (1) 4″ Hole 11.5″ Down, (1) 3″ AAF (Loose)AKP30115 (PDF)
AKP30120Roll Top 18×30 W/ Feet, (1) 4″ AAF 11.5″ Down (Installed)AKP30120 (PDF)
AKP30125Roll Top 18×30 W/ Feet, (1) 4″ PVC Hub, 13.5″ Down (Installed)AKP30125 (PDF)
AKP30130Roll Top 18×30 W/ Feet, (1) 4″ Cast Iron Hub, 13.5″ Down (Installed)AKP30130 (PDF)
AKP30140Roll Top 18×30 W/ Feet, (1) 4″ Cast Iron Hub, 13.5″ Down (Installed)AKP30140 (PDF)
AKP30150Roll Top 18×30 W/ (2) 4″ Cast Iron Hubs, 180° Apart, 11.5″ Down (Installed)AKP30150 (PDF)
AKP30160Roll Top 18×30 W/ (2) 4″ Internal Hubs, 180° Apart, 11.5″ Down (Installed)AKP30160 (PDF)
AKP30190Roll Top 18×30 W/ (1) 4″ Internal Hub, 11.5″ Down (Installed)AKP30190 (PDF)