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

Last Updated： Aggregation Period:Aug 13, 2025～Sep 09, 2025
This ranking is based on the number of page views on our site.

lid Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Aug 13, 2025～Sep 09, 2025
This ranking is based on the number of page views on our site.

  1. オカグレート Mie//Other construction industries 本社、東北支社、大阪支店、他17拠点。
  2. 北村コンクリート工業 Tokyo//Building materials, supplies and fixtures manufacturers
  3. 安全器材 Hyogo//Building materials, supplies and fixtures manufacturers
  4. 4 光陽産業 Mie//Building materials, supplies and fixtures manufacturers
  5. 5 虹技 Hyogo//Building materials, supplies and fixtures manufacturers 小型鋳物事業部
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lid Product ranking

Last Updated： Aggregation Period:Aug 13, 2025～Sep 09, 2025
This ranking is based on the number of page views on our site.

  1. Leaf Fall Flood Prevention Cover "Kansuke" 北村コンクリート工業
  2. Lightweight rubber drainage covers as an alternative to grating [Case study collection giveaway!] 安全器材
  3. For nurseries and schools | Safe cover for U-shaped ditches with rubber grates 'Color Rubber Lid' 光陽産業
  4. 4 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
  5. 5 Waterway Fall Prevention Cover "Barrier Through" (Safety measure product to prevent falls into irrigation channels) オカグレート 本社、東北支社、大阪支店、他17拠点。

lid Product List

46～60 item / All 251 items

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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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Iron cover "EVS"

Iron cover "EVS"

Next-generation manhole cover with enhanced performance through innovative ideas.

"EVS" is a cast iron cover with a support structure that has evolved by incorporating new ideas to prevent excessive sinking and wobbling of the lid. When a load is applied to the top surface of the cast iron cover, it deforms the contact area between the lid and the frame, preventing excessive sinking and wobbling of the lid. Performance can be achieved by changing the shape of the contact area without significantly altering the basic shape of the steep slope receiving structure. 【Features】 ■ Utilizes metal deformation ■ Utilizes steep slope receiving structure *For more details, please contact us or download the catalog.

  • Manhole body
  • Inspection hatches, manhole covers, and ditch covers

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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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Gazelle Slit "GSR (CGS) U-shaped Drainage Type"

Gazelle Slit "GSR (CGS) U-shaped Drainage Type"

Both the gazelle slit cover and the receiving frame are made of stainless steel SUS304. For U-shaped gutters. U150, U180, U240, U300, etc.

We would like to introduce the features of our "Gazelle Slit" (for U-shaped gutters). Stainless steel "Gazelle Slit" for U-shaped gutters. A slim and beautiful slit cover that enhances the landscape. By simply placing a frame on top of the concrete secondary product U-shaped gutter and securing it with bolts, construction time can be significantly reduced. After installation, the slim and beautiful slit lines can adorn the pavement surface. Suitable for U-150, U-180, U-240, U-300, etc. Additionally, the cover uses a rain gap type with a 6mm gap, allowing comfortable passage for wheelchairs, strollers, and high heels. Ideal for exteriors, entrance areas, and other outdoor spaces of buildings, apartments, and commercial facilities. 【Features】 - After installation, the slim and beautiful drainage slit lines enhance the pavement surface. - Load capacity compatible with T-14, T-2, and pedestrian use. - Simple installation by placing a frame on top of the U-shaped gutter and securing it with bolts. - The cover uses a fine gap type with a 6mm gap. *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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Gazelle Slit "GSR (CGS) Circular Water Channel Type"

Gazelle Slit "GSR (CGS) Circular Water Channel Type"

The 'Gazelle Slit' slit cover and receiving frame are made of stainless steel. For circular water channels. Suitable for exteriors and landscaping of buildings, apartments, and commercial facilities.

We would like to introduce the features of our "Gazelle Slit." Both the stainless steel Gazelle Slit cover and frame are made of SUS304 stainless steel. The slim and beautiful slit cover enhances the landscape. By placing the frame on top of a circular concrete drainage product and securing it with anchor bolts, the construction time can be significantly reduced. After installation, the slim and beautiful lines of the slit will adorn the pavement surface. Additionally, the cover uses a rain gap type with a 6mm opening, allowing for comfortable passage for wheelchairs, strollers, and high heels. It is suitable for exteriors, entrance areas, and other outdoor spaces of buildings, apartments, and commercial facilities. 【Features】 - After installation, the slim and beautiful drainage slit lines will enhance the pavement surface. - Load capacity is compatible with T-14, T-2, and pedestrian use. - The frame is simply placed on top of the circular drainage and secured with anchor bolts. - The cover uses a fine gap type with a 6mm opening. *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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Gazelle Slit "GSR (CGT-S) Circular Water Channel Type"

Gazelle Slit "GSR (CGT-S) Circular Water Channel Type"

The slit cover is made of stainless steel SUS304, and the frame is finished with galvanized steel with SUS joints.

We would like to introduce the features of the "Gazelle Slit" that we handle. The stainless steel Gazelle Slit cover features a steel zinc-coated frame (with SUS joints), creating a slim and beautiful slit cover that enhances the landscape. By placing the frame on top of a circular concrete drainage channel and securing it with anchor bolts, the construction time can be significantly reduced. After installation, the slim and beautiful lines of the slits will beautify the paved surface. Additionally, the cover uses a rain gap type with a 6mm gap, allowing comfortable passage for wheelchairs, strollers, and high heels. It is suitable for exteriors, entrance areas, and the outdoor spaces of buildings, apartments, and commercial facilities. 【Features】 ■ After installation, the slim and beautiful drainage slit lines will enhance the paved surface. ■ Load capacity is compatible with T-14, T-2, and pedestrian use. ■ The frame is simply placed on top of the circular drainage channel and secured with anchor bolts. ■ The cover uses a fine gap type with a 6mm gap. *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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Gazelle Slit "GSD (CGT) Circular Water Channel Type"

Gazelle Slit "GSD (CGT) Circular Water Channel Type"

The material of the slotted lid is cast iron (FCD500) with a slit gap of 6 millimeters! For concrete secondary products "circular water channels." Can be arranged for various applications.

The material of the slit cover is cast iron (FCD500) with a slit gap of 6mm! We would like to introduce the features of our "Gazelle Slit GSD" (for circular drainage channels). The slit cover is made of cast iron (FCD500), and the frame is finished with galvanized steel. It is designed for concrete precast products "circular drainage channels." The cast iron (FCD500) slit cover is considerate of the landscape. By simply placing the frame on top of the concrete precast circular drainage channel and securing it with anchor bolts, the construction time can be significantly reduced. After installation, the slit lines blend into the calm landscape, enhancing the paved surface. Additionally, the cover uses a rain gap type, with a gap of 6mm, allowing for comfortable passage for wheelchairs, strollers, and high heels. It is suitable for exteriors, entrance areas, buildings, apartments, commercial facilities, and temples and shrines. 【Features】 ■ After installation, the drainage slit lines blend into the calm landscape, enhancing the paved surface. ■ Load capacity is compatible with T-14, T-2, and pedestrian use. ■ Simply place the frame on top of the circular drainage channel and secure it with anchor bolts. ■ The slit gap of the cover is 6mm. *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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Stainless steel "cosmetic cover" for site-cast drainage channel interlocking blocks.

Stainless steel "cosmetic cover" for site-cast drainage channel interlocking blocks.

Active in public sites, commercial facilities, and other exterior construction projects such as landscaping! A stainless steel 'decorative cover' that blends into the landscape, smart and beautiful!

We would like to introduce the "Decorative Cover" (made of stainless steel for drainage ditches) handled by Okagreat Co., Ltd. This stainless steel "Decorative Cover" is designed to be filled with interlocking blocks in private sites, commercial facilities, and other exterior construction projects, blending smartly into the landscape. Being made of stainless steel, it has high corrosion resistance and is very sleek and attractive. The frame for the on-site drainage ditch is also made entirely of stainless steel. We can provide stainless steel frames that can be fixed simply by tightening bolts to the U-shaped concrete secondary products for the decorative cover. *For more details, please refer to the PDF document or feel free to contact us.

  • Exterior and paving materials <General>

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