lid Product List and Ranking from 42 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Oct 01, 2025～Oct 28, 2025
This ranking is based on the number of page views on our site.

lid Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Oct 01, 2025～Oct 28, 2025
This ranking is based on the number of page views on our site.

  1. 北村コンクリート工業 Tokyo//Building materials, supplies and fixtures manufacturers
  2. オカグレート 本社、東北支社、大阪支店、他17拠点。 Mie//Other construction industries
  3. ヴェインシステムズ Tokyo//Other construction industries
  4. 4 虹技 小型鋳物事業部 Hyogo//Building materials, supplies and fixtures manufacturers
  5. 4 川本コンクリート工業所 Mie//Building materials, supplies and fixtures manufacturers
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lid Product ranking

Last Updated： Aggregation Period:Oct 01, 2025～Oct 28, 2025
This ranking is based on the number of page views on our site.

  1. Reinforced concrete road drainage covers (Type 1 and Type 3) JIS standard products 北村コンクリート工業
  2. Airport and Electrical Construction Related Products Catalog VOL. 11 ヴェインシステムズ
  3. Reinforced concrete U-shaped cover (top cover type U-shaped drainage cover) U-shaped gutter cover 北村コンクリート工業
  4. 4 Leaf Fall Flood Prevention Cover "Kansuke" 北村コンクリート工業
  5. 5 For nurseries and schools | Safe cover for U-shaped ditches with rubber grates 'Color Rubber Lid' 光陽産業

lid Product List

46～60 item / All 253 items

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Jump prevention "Bridge Manhole Cover"

Jump prevention "Bridge Manhole Cover"

A structure that maintains strength T-25! The problem is solved by replacing the lid while keeping the bridge drainage box body as it is.

The "bridge drainage cover" prevents bouncing with a locking pin mechanism. The problem is solved by replacing the cover while keeping the existing drainage box made of insufficiently strong cast iron. A locking pin is installed to prevent the cover from coming off or bouncing, and the structure maintains a strength of T-25 in accordance with the revised road bridge guidelines. Furthermore, this locking pin mechanism can reduce the time required for opening and closing the cover. 【Features】 ■ Equipped with a locking pin to prevent the cover from coming off or bouncing ■ Structure maintains a strength of T-25 in accordance with the revised road bridge guidelines ■ This locking pin mechanism can shorten the time required for opening and closing the cover *For more details, please download the catalog or feel free to contact us.

  • Gutters and U-shaped gutters

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Adoption example: Tochigi Prefecture - 2, National Route, Road Flood Prevention Iron Cover "Gabunomi"

Adoption example: Tochigi Prefecture - 2, National Route, Road Flood Prevention Iron Cover "Gabunomi"

Adopts a one-touch lock pin system! A flood prevention product with comprehensive safety measures.

The "Gabunomi" road flood prevention iron cover is designed to prevent flooding on roads and similar areas. 【Examples of Adoption of This Product】 In Tochigi Prefecture-2, the "Gabunomi" has been adopted on national roads. ★For actual site photos, please refer to the PDF materials available in the "Catalog Download" below. 【Reasons for Choosing This Product】 It employs an economical one-touch lock pin system that only requires replacing the cover and the edge block. Additionally, it features anti-slip measures to prevent tires from getting stuck or slipping, ensuring safety for bicycles on roadways. We offer both open and closed types in our lineup. You can choose based on the landscape of the installation location and the amount of rainfall. *For more details, please download the catalog or feel free to contact us.

  • Gutters and U-shaped gutters

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Adoption example: Kanagawa Prefecture - 2, National Route, Road Flood Prevention Iron Cover "Gabunomi"

Adoption example: Kanagawa Prefecture - 2, National Route, Road Flood Prevention Iron Cover "Gabunomi"

Adopts a one-touch lock pin system! A flood prevention product with comprehensive safety measures.

The "Gabunomi" road flood prevention iron cover is an iron cover designed to prevent flooding on roads and similar areas. 【Examples of "Gabunomi" Adoption】 We present a case study of the trial installation of "Gabunomi" on a national road in Kanagawa Prefecture. ★For actual site photos, please refer to the PDF materials available in the "Catalog Download" section below. 【Reasons to Choose "Gabunomi"】 It adopts an economical one-touch lock pin system that only requires the replacement of the cover and the edge block. Additionally, it is equipped with anti-slip features, preventing tires from getting stuck or slipping, thereby ensuring safety for bicycles on the roadway. We offer both open and closed types in our lineup. You can choose based on the landscape of the installation site and the amount of rainfall. *For more details, please download the catalog or feel free to contact us.

  • Gutters and U-shaped gutters

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[Installation Example] Road Flood Prevention Iron Cover "Gabunomi"

[Installation Example] Road Flood Prevention Iron Cover "Gabunomi"

Adopts a one-touch lock pin system! A flood prevention product with comprehensive safety measures.

The road flood prevention iron cover "Gabunomi" is an iron cover designed to prevent flooding on roads and similar areas. 【Examples of "Gabunomi" Installation Status】 We would like to introduce the installation status of "Gabunomi." ★For actual site photos, please refer to the PDF materials available for download below. 【Reasons to Choose "Gabunomi"] It adopts an economical one-touch lock pin system that only requires the replacement of the cover and the edge block. Additionally, it is designed to prevent slipping, ensuring that tires do not get stuck or slip, thus addressing safety measures for bicycles on roadways. We offer both open and closed types in our lineup. You can choose based on the landscape of the installation location and the amount of rainfall. *For more details, please download the catalog or feel free to contact us.

  • Gutters and U-shaped gutters

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Adoption example: Kanagawa Prefecture-1, National Route - Road Flood Prevention Manhole Cover "Gabunomi"

Adoption example: Kanagawa Prefecture-1, National Route - Road Flood Prevention Manhole Cover "Gabunomi"

Adopts a one-touch lock pin system! A flood prevention product with comprehensive safety measures.

The "Gabunomi" road flood prevention iron cover is designed to prevent flooding on roads and similar areas. 【Examples of "Gabunomi" Adoption】 We introduce a case of "Gabunomi" installation on a national highway in Kanagawa Prefecture. ★For actual site photos, please refer to the PDF materials available for download below. 【Reasons to Choose "Gabunomi"】 It adopts an economical one-touch lock pin system that only requires the replacement of the cover and the edge block. Additionally, it features anti-slip measures, preventing tires from getting stuck or slipping, thus ensuring safety for bicycles on the roadway. We offer both open and closed types in our lineup. You can choose according to the landscape and rainfall conditions of the installation site. *For more details, please download the catalog or feel free to contact us.

  • Gutters and U-shaped gutters

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Adoption example: Tokyo-1, National Route - Road Flood Prevention Manhole Cover "Gabunomi"

Adoption example: Tokyo-1, National Route - Road Flood Prevention Manhole Cover "Gabunomi"

Adopts a one-touch lock pin system! A flood prevention product with comprehensive safety measures.

The "Gabunomi" road flood prevention iron cover is designed to prevent flooding on roads and similar areas. 【Examples of "Gabunomi" Adoption】 Here, we introduce examples of "Gabunomi" being used on national roads in Tokyo. ★For actual site photos, please refer to the PDF materials available for download below. 【Reasons to Choose "Gabunomi"】 It adopts an economical one-touch lock pin system that only requires replacing the cover and the edge block. Additionally, it features anti-slip measures, preventing tires from getting stuck or slipping, thus ensuring safety for bicycles on roadways. We offer both open and closed types in our lineup. You can choose based on the landscape of the installation site and the amount of rainfall. *For more details, please download the catalog or feel free to contact us.

  • Gutters and U-shaped gutters

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Adoption example: Tokyo-1, Metropolitan Road, Rainwater drainage manhole cover 'Chari Grey'

Adoption example: Tokyo-1, Metropolitan Road, Rainwater drainage manhole cover 'Chari Grey'

Bicycle Riding Safety Measures: Ensuring riding safety in all directions! Preventing tire slippage with a square grid.

"Charigre" is a rainwater drainage manhole cover that ensures driving safety in all directions by making the groove holes square. The surface of the cover is coated with powder paint made from saturated polyester resin, and inorganic coarse particles are adhered to the paint film and then cooled and solidified. The inorganic coarse particles that are firmly attached to the painted surface provide excellent anti-slip effects. [Examples of "Charigre" Adoption] We introduce examples of "Charigre" being used in the automobile lanes of Tokyo's roads. ★ For actual site photos, please refer to the PDF materials available in the "Catalog Download" below. [Features] ■ Prevents tires from getting stuck with a square grid design ■ Measures to prevent bouncing (special bolt fixation method) ■ Anti-slip resin processing (resin color options available) *For more details, please download the catalog or feel free to contact us.

  • Gutters and U-shaped gutters

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Covering "Ever Plate CP (FRP Single Molded Board)"

Covering "Ever Plate CP (FRP Single Molded Board)"

Excellent corrosion resistance and insulation! FRP checker plates are ideal for indoor and outdoor flooring and coverings.

The "Everplate CP (FRP Single Molded Plate)" is a checker plate made by reinforcing thermosetting resin with glass fibers and pressing it into shape. Being made of FRP, it is corrosion-resistant and has insulating properties, making it suitable for use as flooring and coverings both indoors and outdoors. Since it does not use mortar as core material, cutting and hole processing on-site is easy, and it is also possible to install handles, inspection ports, locks, and gaskets. 【Features】 ■ Corrosion-resistant ■ Insulating properties ■ Easy processing on-site ■ Installation of handles and other fittings is possible For more details, please refer to the catalog or feel free to contact us.

  • Synthetic Resin Plywood
  • Inspection hatches, manhole covers, and ditch covers
  • Special flooring/indoor and outdoor

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Duct cover

Duct cover

Prevent vibrations and noise! Duct cover that meets the destructive load standard!

The "duct cover" is a product mainly used to protect cables (power, communication, machinery) in the Shinkansen (bullet train). Production resumed in 2011 for the Hokuriku Shinkansen. It is designed for cold climates, offering excellent durability against freeze damage, and we also have eco-friendly options available. Please feel free to contact us. 【Features】 ■ Clears the destructive load standard ■ Prevents vibration and noise ■ Comes with flame-retardant cushioning ■ Equipped with handles for improved work efficiency ■ Eco Mark certified product (specification required at the time of order) *For more details, please refer to the PDF materials or feel free to contact us.

  • Concrete construction

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Ductile cast iron medium-grain non-slip pattern manhole cover (gap 10mm)

Ductile cast iron medium-grain non-slip pattern manhole cover (gap 10mm)

A crosswalk and gutter solution that prevents wheelchair casters from falling off! Its connected structure provides anti-theft benefits.

We handle "Ductile Cast Iron Medium Non-Slip Pattern Grate (Gap 10mm) for Crosswalks and Ditches." It features a three-point support delta grade with a locking connection system. Due to its three-point support structure, it is characterized by minimal bouncing and play. The BPN value is around 40, and the protruding shape of the lid surface enhances drainage and non-slip effects. We also offer an optional handle "MF-1." 【Features】 ■ Three-point support delta grade with locking connection system - Minimal bouncing and play due to the three-point support structure - Enhanced drainage and non-slip effects due to the protruding shape of the lid surface (BPN value around 40) - Theft prevention effect due to the connected structure ■ Wheelchair casters do not fall through *For more details, please refer to the PDF document or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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Hydro Staff Construction Examples

Hydro Staff Construction Examples

Available for various uses such as shopping centers, parks, hospitals, logistics warehouses, and school grounds.

We would like to introduce examples of projects using "Hydro Staff," which we handle. It is used for various purposes such as shopping centers, residential land development, parks, hospitals, logistics warehouses, and school grounds. Please contact us if you need our services. 【Project Examples】 ■ Residential ■ Park ■ Hospital ■ Shopping Center ■ Factory ■ Logistics Warehouse *For more details, please refer to the PDF materials or feel free to contact us.

  • Rainwater infiltration facilities

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Safety Walker <Liner Design - General Drain Type>

Safety Walker <Liner Design - General Drain Type>

For general drainage ditches such as on-site casting. Additionally, for drop-in type grates, drainage covers, and drainage covers with special dimensions.

We would like to introduce the "Safety Walker - Liner Design General Type Drainage Channel" handled by Okagreat Co., Ltd. The "Liner Design - General Type" is suitable not only for general drainage channels such as those made on-site but also for various types of recessed drainage covers, side channel covers, and specially sized drainage covers. Due to its structural design, the top surface is made of a panel structure, making it resistant to twisting and impacts from vehicle tires, which helps prevent the grating from breaking. Additionally, the grating is less likely to trap stones or debris, maintaining the aesthetic appeal. Multiple slit holes are made in the special steel plate "patterned steel plate" on the top surface, balancing drainage capability and strength. It has also been reported that its anti-slip effect exceeds that of conventional types. *For more details, please refer to the PDF document or feel free to contact us. 【Features】 ■ Safety (durable panel structure) ■ Reliability (non-slip patterned steel plate) ■ Strength (up to maximum T-25 load) ■ Lightweight (lighter than fine mesh) ■ Aesthetic (prevents clogging) ■ Damage prevention (distributes force over a surface)

  • Grating

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Safety Walker <Grip Design, Flush Type Manhole Cover>

Safety Walker <Grip Design, Flush Type Manhole Cover>

For use with on-site poured catch basins. Additionally, for drop-in type manhole covers, special dimension manhole covers and sumps, and various types of basins.

We would like to introduce the "Safety Walker Grip Design Masubuta Type" handled by Okagreat Co., Ltd. The "Grip Design Masubuta Type" is suitable not only for site-cast water collection manholes but also for various types of drop-in manhole covers, sump covers, and specially sized manhole covers. (Please feel free to consult us for concrete precast products, etc.) Due to its structural design, the top surface is made of a panel structure, making it resistant to twisting and impact from vehicle tires, thus preventing damage to the grating. Additionally, the design minimizes the likelihood of stones and debris getting stuck in the grating, preserving the aesthetic appearance. Multiple slit holes are created in the special steel plate "ribbed steel plate" on the top surface, balancing drainage and strength. It has also been reported that the slip resistance exceeds that of conventional types. Please feel free to consult us when you need our services. 【Features】 ■ Safety (difficult to break due to panel structure) ■ Reliability (non-slip due to patterned steel plate) ■ Strength (up to maximum T-25 load) ■ Lightweight (lighter than fine types) ■ Aesthetics (prevention of clogging) ■ Damage prevention (distributes force over a surface) *For more details, please refer to the PDF materials or feel free to contact us.

  • Grating

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Safety Walker <Liner Design - Drop-in Type Manhole Cover>

Safety Walker <Liner Design - Drop-in Type Manhole Cover>

For use with on-site poured catch basins. Additionally, for drop-in type manhole covers, manhole covers with special dimensions, sumps, and various types of basins.

We would like to introduce the "Safety Walker - Liner Design Square Manhole Cover Type" handled by Okagreat Co., Ltd. The "Liner Design Square Manhole Cover Type" is suitable not only for site-cast water collection manholes but also for various types of drop-in manhole covers, sump covers, and manhole covers with special dimensions. (Please feel free to consult us for concrete precast products, etc.) Due to its structural design, the top surface is made of a panel structure, making it resistant to twisting and impact from vehicle tires, thus preventing the grating from breaking easily and making it ideal for damage prevention. Additionally, the structure minimizes the likelihood of stones and debris getting caught in the grating, preserving the aesthetic appearance. Multiple slit holes are made in the special steel plate "patterned steel plate" on the top surface, balancing drainage and strength. Furthermore, it has been reported that the slip resistance exceeds that of conventional types. *For more details, please refer to the PDF document or feel free to contact us. 【Features】 ■ Safety (difficult to break due to panel structure) ■ Reliability (less slippery due to patterned steel plate) ■ Strength (up to maximum T-25 load) ■ Lightweight (lighter than fine types) ■ Aesthetics (prevention of clogging) ■ Damage prevention (distributes force over a surface)

  • Grating

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"Design pit" can also be used for drainage pits, wiring, piping, etc. as a line pit.

"Design pit" can also be used for drainage pits, wiring, piping, etc. as a line pit.

High non-slip effect! A pit cover that combines high drainage functionality with excellent slip resistance and aesthetics has been born.

"Design Pit" is a groundbreaking product that expresses various slip-resistant patterns on the surface of the lid in silhouette, pursuing aesthetic appeal. By adding the accent of "patterns" to products that are constantly in view in shared spaces where people gather (such as bathrooms and pools), it leaves a special impression on those who see it. Not only does it serve the function of drainage, but it also adds a new value of "design" that is visually appealing, enhancing the atmosphere in a wide range of environments as a decorative product. 【Features】 ■ Safe and secure design considerate of people ■ Custom original designs available ■ Production limited to board thickness t=3mm *For more details, please refer to the PDF materials or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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