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manhole Product List and Ranking from 9 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Oct 08, 2025～Nov 04, 2025
This ranking is based on the number of page views on our site.

manhole Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Oct 08, 2025～Nov 04, 2025
This ranking is based on the number of page views on our site.

  1. MONOVATE(旧：日東金属工業) 八潮工場 Saitama//Industrial Machinery
  2. AISHIN INDUSTRIAL CORPORATION Saitama//Industrial Machinery
  3. アクアインテック Shizuoka//others
  4. 昭和コンクリート工業 Gifu//Building materials, supplies and fixtures
  5. 5 関西ポラコン 大阪技術サポート部 Osaka//Glass and clay products
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manhole Product ranking

Last Updated： Aggregation Period:Oct 08, 2025～Nov 04, 2025
This ranking is based on the number of page views on our site.

  1. Manhole for stainless steel container 【MH】 MONOVATE(旧：日東金属工業) 八潮工場
  2. One-Touch Manhole/Inspection Window AISHIN INDUSTRIAL CORPORATION
  3. Es-Hole - "Large Assembled Box-Type Manhole" 昭和コンクリート工業
  4. Design manhole アクアインテック
  5. 4 Permeable Polacon Manhole "EW Series" 関西ポラコン 大阪技術サポート部

manhole Product List

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Manhole for stainless steel container 【MH】

Manhole for stainless steel container 【MH】

Lightweight and serves as an inspection and cleaning access point! Manhole for large stainless steel tanks!

This is an optional component that can be installed on large stainless steel containers or tanks as inspection ports or cleaning windows. It is welded onto the container or tank. The attached parts are lightweight and easy to handle. Custom sizes and heights outside of the standard lineup can also be produced. "Can you make something like this?" Please feel free to consult us, even for small requests.

  • mh-2.JPG
  • Stainless steel container

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Es-Hole - "Large Assembled Box-Type Manhole"

Es-Hole - "Large Assembled Box-Type Manhole"

Assembled manhole combining box shape and circular shape.

The "S-Hole - Large Assembled Box-Type Manhole" can accommodate level 2 seismic motions as indicated in the "Guidelines and Explanations for Seismic Measures of Sewer Facilities" published by the Japan Sewer Association in most cases. To meet the needs of the site, we have standardized 13 sizes ranging from 1000mm x 1000mm to 3500mm x 1500mm. Since the components are assembled sequentially from the foundation block to the manhole cover, on-site construction is easy and does not require skilled workers. The foundation block is divided into two parts, making it easy to install inflow and outflow pipes. As a factory-produced product with quality control, there is no variation in quality or strength.

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  • 3D CAD

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Assembled Manhole "Radahole"

Assembled Manhole "Radahole"

Manufactured and shipped under high quality standards! Highly versatile assembly manhole.

"Radahole" is a modular manhole used for the maintenance and management of sewer pipelines, as well as for the storage and infiltration of rainwater. Each component can be suspended from three or more points, allowing for rapid installation in a nearly horizontal position. It is joined with a special silicone resin adhesive called "Radaseal," enabling it to withstand seismic motions of Level 1 and Level 2. 【Features】 ■ Manufactured and shipped under high quality standards at certified factories ■ Performance category I can be installed up to 5m ■ Performance category II can be installed up to 10m ■ Withstands seismic motions of Level 1 and Level 2 ■ The watertight performance of the joints can withstand water pressure of 0.05MPa for category I and 0.10MPa for category II *For more details, please refer to the PDF document or feel free to contact us.

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Manhole "Ebahole"

Manhole "Ebahole"

Technological innovation in pipe joints! Manholes designed for earthquake resistance and maintenance management.

The "Evahole" is a manhole that corresponds to a proper deflection angle of within 7.5 degrees for pipes and a seismic level 2 pull-out resistance of 6 cm. Since sufficient compaction can be achieved during backfilling, uneven settling does not occur after installation. It shuts out unknown infiltrating water from the pipe connection. Simply insert the pipe and tighten two stainless steel bands, making it easy for anyone to install reliably and ensuring a uniform finish. 【Features】 ■ Integrated rubber joint socket with invert ■ Supports earthquake measures and maintenance management ■ Shuts out unknown infiltrating water from the pipe connection ■ Prevents pipe drop-out (does not fall out or come loose) ■ Enables speed-up and standardization of installation *For more details, please refer to the PDF document or feel free to contact us.

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Jointed FRP manhole

Jointed FRP manhole

This is a product designed for the renovation of inspection covers installed on box girders and bridge piers.

**Overview** NETIS Registered Product: KT-200143-A This product is designed for the renovation of inspection covers installed on box girders and bridge piers. Made of FRP, it is significantly lighter compared to traditional steel, making transportation to the installation site easy. Its unique drainage system prevents water from infiltrating the interior of the structure. **Features** - **FRP Material** Excellent corrosion resistance, eliminating concerns about rust. Allows for significant weight reduction compared to steel. - **Waterproofing Capability** The unique drainage system prevents water infiltration into the structure. - **Ease of Installation** The use of adhesive bonding enables quick and easy installation. Being made of FRP reduces the burden of transportation and installation work. - **Custom Made** Can be designed in shapes and opening/closing patterns tailored to the site. We can also accommodate requests for color matching with the structure. - **Fail-Safe System** Standard equipment includes a wire connection between the cover and the structure to prevent falling. Ensures strength that can withstand weight during work without breaking.

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Permeable Polacon Manhole "EW Series"

Permeable Polacon Manhole "EW Series"

For emergency domestic water and fire prevention tanks! The large capacity for rainwater storage and infiltration is expected to be effective in saving space.

The "EW Series" is the largest series of infiltration Polacon manholes in our rainwater storage and infiltration facilities in terms of processing capacity. Due to its large processing capacity per unit, it provides an equivalent effect to installing multiple other infiltration facilities. It can replace 5 to 30 infiltration Polacon pits with one unit of this product. Including the gravel layer, it has a storage capacity of approximately 25m³ per unit at maximum size, and it demonstrates an infiltration capacity of about 300m³ per hour at maximum size for sand and gravel layers. 【Features】 ■ The largest storage and infiltration volume among our products ■ Ability to consolidate multiple infiltration facilities ■ Can be utilized as emergency water supply and fire-fighting tank ■ Structure resistant to clogging *For more details, please refer to the PDF document or feel free to contact us.

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Sewer Ground Manhole

Sewer Ground Manhole

Equipped with safety features against lid tilting, lid damage, and lid floating or scattering!

We would like to introduce the "Sewer Ground Manhole" that we handle. It serves the role of widely promoting the sewer business by designing features unique to each region, while also possessing the basic performance necessary for citizens to live safely. It has various safety features to address issues such as lid corrosion, falls, illegal dumping, and intrusion. 【Safety Features (Excerpt)】 ■ Lid wobbling ■ Lid damage ■ Lid buoyancy and scattering ■ Slipping on the lid ■ Lid corrosion *For more details, please download the PDF or feel free to contact us.

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Design manhole

Design manhole

We also propose colorful manhole covers made of colored resin! Introducing our products.

Design manholes incorporate important elements that enhance the image of the streetscape, promote the region, and foster public interest in sewer facilities. We strive to propose original designs that utilize distinctive local motifs. We also offer colorful manhole covers made of colored resin. 【Features】 - Important elements that enhance the streetscape image, promote the region, and foster public interest in sewer facilities are incorporated. - We are committed to proposing original designs. - We also offer colorful manhole covers made of colored resin. *For more details, please download the PDF or feel free to contact us.

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Sewer assembly manhole "Pre-Hole"

Sewer assembly manhole "Pre-Hole"

Installation is easy and can be done quickly.

The "Pre-Hole" is a precast concrete assembly manhole for sewage systems, registered under the Class I standard (JSWAS A-11) of the Japan Sewage Works Association, utilizing an impregnation adhesive method (elastic adhesive). By employing the impregnation adhesive method with elastic adhesive, it holds the components through adhesive and shear strength, while the adhesive's properties of watertightness and toughness at the joints enhance seismic resistance, making it an economical manhole. Please feel free to contact us if you have any inquiries. 【Features】 ■ The main body is made of concrete that is forcibly compacted using centrifugal or roller compaction methods, resulting in high-strength, high-water-tight components. ■ The joints of each component utilize the impregnation adhesive method with elastic adhesive, eliminating the need for sealing rubber, gaskets, or fastening hardware. ■ The performance of the components has been verified through various tests, allowing for the creation of an ideal manhole with no misalignment or leakage at the joints. *For more details, please download the PDF or feel free to contact us.

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One-Touch Manhole/Inspection Window

One-Touch Manhole/Inspection Window

Low price, short delivery time! Inspection manhole that can be opened and closed with one touch!

"One-Touch Manhole/Inspection Window" supplies essential hand holes, manholes, and inspection windows for hoppers and silos at low prices and with short delivery times. Each can be opened and closed with one touch. They are made from materials such as SUS304, SUS316, and SUS316L, and can be finished with buffing or electropolishing. [Features] ■ Low price ■ Short delivery time ■ One-touch opening and closing *For more details, please refer to the catalog or feel free to contact us.

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Easily inspect and clean large containers! Manhole for stainless steel containers 【MH】

Easily inspect and clean large containers! Manhole for stainless steel containers 【MH】

Lightweight and serves as an inspection and cleaning access point! Manhole for large stainless steel tanks!

This is an optional component that can be installed on large stainless steel containers or tanks as an inspection port or cleaning window. It is welded onto the container or tank. The attached parts are lightweight and easy to handle. Custom sizes and heights outside of the lineup are also possible. "Can you make something like this?" Please feel free to consult us, even for small matters.

  • mh-2.JPG
  • Stainless steel container

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