Sizes and Specifications

rings

DESCRIPTION OF POLYETHYLENE MANHOLE ADJUSTING RING FLAT DESIGN:

  • Plastic injection molded adjusting ring
  • Molded from high density polyethylene as defined in ASTM specification D-4976
  • Actual resin properties will vary allowing for the utilization of 100% regrind material
  • The percent of post consumer waste to industrial waste will vary with availability and property retention needs
  • Color, shade, and uniformity will vary with the mix of the post consumer and industrial waste materials
  • Dimensions shown are normal - actual size will vary within allowable tolerance and required fit


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DIMENSION SCHEDULE
Cone Size Dim A Dim B Dim C Dim D Dim H
24" 33.50" 23.75" 5.00" 23.25" 1.25, 1.50, 2.00, 4.00"
27" 36.50" 26.75" 5.00" 26.25" 1.25, 1.50, 2.00, 4.00"
30" 39.50" 29.75" 5.00" 29.25" 1.50, 2.25, 4.00"
32" 41.50" 31.75" 5.00" 31.25" 2.00, 3.00"
34" 41.50" 33.75" 4.00" 33.25" 2.00, 3.00"