110/120 Series Steel Round Manholes

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.

Download the 110 / 120 Series Steel Round Manhole Catalog Page

110 Series

110 Series

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  • Features
  • Ordering Specifications
  • Replacement Parts
  • Downloads

Features

  • 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 (H20) - All OPW spill containers and manholes exceed the requirements of the Highway 20 rating.

Materials

  • Skirt: galvanized steel
  • Cover: steel diamond plate
  • Ring: cast iron or fabricated steel
  • Gasket: Nitrile

Ordering Specifications

Model # Description Cover O.D.  Skirt I.D. Thickness Weight  Ring
 in. cm  in. cm  in. cm lbs. kg
6110-24WT Raintight* 24 61 21-5/8 55  3/8 9 88 40 Fab. Steel
6110-2410 Standard* 24 61 21-5/8 55  3/8 9 88 40 Fab. Steel
6110-30WT Raintight* 30 76 27-5/8 70  1/2 13 160 73 Fab. Steel
6110-3010 Standard* 30 76 27-5/8 70  3/8 9 160 73 Fab. Steel
6110-37WT Raintight* 37 94 34-5/8 88  1/2 13 178 81 Fab. Steel
6110-3710 Standard* 37 94 34-5/8 88 3/8** 9 178 81 Fab. Steel
6110-4010 Standard* 40 102 37-5/8 96  3/8 9 198 90 Fab. Steel
6110-42WT Raintight* 42 107 39-5/8 101 1/2** 13 290 132 Fab. Steel
6110-4200 Standard 42 107 39-5/8 101 1/2** 13 290 132 Fab. Steel
6110-48WT Raintight* 48 122 45-5/8 116 1/2** 19 390 177 Fab. Steel
6120-24WT Roto-Lock Raintight 24WT* 24 61 22-5/8 55  3/8 9 88 40 Fab. Steel
6120-30WT Roto-Lock Raintight 30WT* 30 76 28-5/8 70  1/2 13 160 73 Fab. Steel
6120-37WT Roto-Lock Raintight 37WT* 37 94 35-5/8 88  3/8 13 178 81 Fab. Steel
6120-42WT Roto-Lock Raintight 42WT* 42 107 40-5/8 101 1/2** 13 290 132 Fab. Steel
6120-48WT Roto-Lock Raintight 48WT* 48 122 46-5/8 116 1/2** 19 390 177 Fab. Steel

* Recessed Handle
** Reinforced Cover
Standard - Plain No Bolts
Raintight - Bolt Down
Deep skirts available upon request

Dimensions

Replacement Parts

Part # Description
P110-8G 8" Replacement Gasket
P110-12G 12" Replacement Gasket
P110-16G 16" Replacement Gasket
P110-18G 18" Replacement Gasket
P110-24G 24" Replacement Gasket
P110-30G 30" Replacement Gasket
P110-37G 37" Replacement Gasket
P110-40G 40" Replacement Gasket
P110-42G 42" Replacement Gasket
P110-48G 48" Replacement Gasket
P110-36TEE “T” Handle Cover Lifter
PROTO-LOCK (1) Replacement Roto-Lock
P110-8L Replacement Cover 8"
P110-12L Replacement Cover 12"
P110-16L Replacement Cover 16"
P110-18L Replacement Cover 18"
P110-24L Replacement Cover 24"
P110-37L Replacement Cover 37"
P110-40L Replacement Cover 40"
P110-42L Replacement Cover 42"
P110-48L Replacement Cover 48"
P120-36L Replacement Cover 36" Roto-Lock
P120-37L Replacement Cover 37" Roto-Lock
P120-42L Replacement Cover 42" Roto-Lock
RPHK Replacement Handle