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110/120 Series Steel Round Manholes
110/120 Series Steel Round Manholes
110/120 Series Steel Round Manholes

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OPW 6100 Series 110/120 Series Steel Round Manholes

24 to 48 in.

Ships From Manufacturer

Select Model & Quantity:

Model # Description Price Qty
6110-3010 30 in., Standard with Fab Steel Ring $778.43
6110-3710 37 in., Standard with Fab Steel Ring $940.18
6110-4010 40 in., Standard with Fab Steel Ring $1,196.59
6110-4200 42 in., Standard with Fab Steel Ring $1,521.41
6120-24WT 24 in., Roto-Lock Raintight with Fab Steel Ring $1,322.03
6120-30WT 30 in., Roto-Lock Raintight with Fab Steel Ring $1,429.53
6120-37WT 37 in., Roto-Lock Raintight with Fab Steel Ring $1,545.38
6120-42WT 42 in., Roto-Lock Raintight with Fab Steel Ring $2,106.45
6120-48WT 48 in., Roto-Lock Raintight with Fab Steel Ring $2,684.51
6110-30WT 30 in., Raintight with Fab Steel Ring $845.43
6110-37WT 37 in., Raintight with Fab Steel Ring $1,084.89
6110-42WT 42 in., Raintight with Fab Steel Ring $1,695.06
6110-48WT 48 in., Raintight with Fab Steel Ring $2,629.93
6110-42WT18 42 in., Raintight with Fab Steel Ring and 18 in. Skirt $1,777.41
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OPW - 6100 Series - 110/120 Series Steel Round Manholes

POMECO/OPW 110/120 Series Round Manholes are designed for use in a wide range of service station driveway, industrial, and commercial applications. The 110s and 120s are used to provide access to all types of underground equipment, including vapor recovery connections, UST monitoring equipment and submersible pumps. The 120 Series includes Roto-Lock fasteners on 24'' and larger manholes.

  • Skirt: Galvanized steel
  • Cover: Steel diamond plate
  • Ring: Cast iron or fabricated steel
  • Gasket: Nitrile
  • Standard and Raintight Models Available - Raintight models include Buna-N gaskets and recessed hex-head bolts or Roto-Lock fasteners to help prevent water intrusion.
  • Wide Range of Sizes - Sizes range from 24" to 48" (61 to 122 cm) to accommodate a wide range of applications. Custom sizes and configurations are also available.
  • Easy Cover Removal - An integral recessed handle is included on all raintight and plain manholes 24" and larger. Manholes 42" and larger include dual recessed handles and provision for centered 1/2" - 13 threaded allen head blind plug for easy removal so that a 1/2" - 13 eyebolt can be threaded into the hole for easier removal of covers.
  • Highway 20 Rated (h50) - All OPW spill containers and manholes exceed the requirements of the Highway 20 rating.
Model # Description Cover O.D. Skirt I.D. Thickness Weight Ring
in. cm in. cm in. cm lbs kg
6110-24WT Raintight* 24 61 21 518 55 38 9 88 40 Fab Steel
6110-2410 Standard* 24 61 21 518 55 38 9 88 40 Fab Steel
6110-30WT Raintight* 30 76 27 518 70 12 13 160 73 Fab Steel
6110-3010 Standard* 30 76 27 58 70 38 9 160 73 Fab Steel
6110-37WT Raintight* 37 94 34 58 88 12 13 178 81 Fab Steel
6110-3710 Standard* 37 94 34 58 88 38** 9 178 81 Fab Steel
6110-4010 Standard* 40 102 37 58 96 38 9 198 90 Fab Steel
6110-42WT Raintight* 42 107 39 58 101 12** 13 290 132 Fab Steel
6110-4200 Standard 42 107 39 58 101 12** 13 290 132 Fab Steel
6110-48WT Raintight* 48 122 45 58 116 12** 19 390 177 Fab Steel
6120-24WT Roto-Lock Raintight 24WT* 24 61 22 58 55 38** 9 88 40 Fab Steel
6120-30WT Roto-Lock Raintight 30WT* 30 76 28 58 70 12 13 160 73 Fab Steel
6120-37WT Roto-Lock Raintight 37WT* 37 94 35 58 88 35 13 178 81 Fab Steel
6120-42WT Roto-Lock Raintight 42WT* 42 107 40 58 101 12** 13 290 132 Fab Steel
6120-48WT Roto-Lock Raintight 48WT* 48 122 46 58 116 12** 19 390 177 Fab Steel
OPW 110/120 Series Steel Round Manhole Dimensions