lid(500) - List of Manufacturers, Suppliers, Companies and Products

Last Updated： Aggregation Period:Oct 01, 2025～Oct 28, 2025
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lid Product List

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[Concrete Product Example] Nagano Prefecture: GC Cover 500×500

[Concrete Product Example] Nagano Prefecture: GC Cover 500×500

With a handle for easy handling! Introducing a case where loss was eliminated.

Here is a case study of the "GC lid 500×500" in Nagano Prefecture. Since we often lost the hanging hardware for opening and closing the lid, we decided to attach it from the beginning as a precaution. It comes with a recessed handle, so there is no risk of losing it. 【Case Overview】 ■Product Dimensions: GC lid 500×500 ■Installation Location: Chikuma City, Nagano Prefecture ■Installation Date: June 2021 *For more details, please refer to the related links or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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[Concrete Product Example] Mie Prefecture: Side Drain Cover C3-B500

[Concrete Product Example] Mie Prefecture: Side Drain Cover C3-B500

Introducing a case of delivering a trench cover with dimensions w630×t150×L500.

Here is a product case of the "Drain Cover C3-B500" in Mie Prefecture. The dimensions are w630×t150×L500. Normally, it is not installed, but there was a request this time. Installation can be done separately, but we ask for your cooperation in securing the site and ensuring safety. 【Case Overview】 ■ Product Dimensions: Drain Cover C3-B500 w630×t150×L500 ■ Installation Location: Tsu City, Mie Prefecture ■ Installation Period: December 2020 *For more details, please refer to the related links or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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Edge Warning Block Lid "Hashikkokun"

Edge Warning Block Lid "Hashikkokun"

The surface color can also be selected in yellow. It has good visibility and is easy for visually impaired individuals to understand, making it effective.

"Hashikkokun" is a cover that combines a drainage ditch cover and tactile paving blocks for visually impaired individuals, serving as a warning for the edges of roads. By combining the "cover" of a drainage ditch, which is typically installed on the road (often at the edge of the road), with "tactile paving blocks" (arranged for platform edge warning), it becomes possible to alert and guide individuals to hazardous areas on the road. Additionally, since only the drainage ditch cover needs to be replaced, it allows for low-cost and prompt responses. Please feel free to contact us if you have any inquiries. [Case Examples] 1. Utility poles on the road pose a risk of collision for visually impaired individuals, but they can navigate around the poles. 2. Even if a wheelchair unintentionally rolls off the road due to drainage gradients into fields or similar areas, it can prevent falling. *For more details, please download the PDF or feel free to contact us.

  • Paving of sidewalks, roads, parking lots and stadiums

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[Concrete Product Case] Kanagawa Prefecture: Custom Lid

[Concrete Product Case] Kanagawa Prefecture: Custom Lid

Here is an example finished with a thickness of 100mm at the front right and 120mm at the back left.

Here is a case study of "custom lids" in Kanagawa Prefecture. We received requests from Hiratsuka City asking if we could create a lid with a sloped thickness and if we could also add drainage holes. We finished the lid with a thickness of 100mm at the front right and 120mm at the back left. Please contact us when you need a lid like this for repair work. 【Case Overview】 ■ Product Dimensions - Custom lid w430xt100x/120xL600 - Custom lid w330xt80xL500 - Custom lid w380xt80xL500 - Custom lid w390xt80xL500 ■ Installation Location: Kanagawa Prefecture ■ Installation Period: March 2023 *For more details, please refer to the related links or feel free to contact us.

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[Concrete Product Example] Hyogo Prefecture: General Cover for 300

[Concrete Product Example] Hyogo Prefecture: General Cover for 300

Chamfered along the long side! Introducing product examples from Kawamoto Concrete Industry.

Here is a product example of "General Lid 300" in Hyogo Prefecture. The product dimensions are made to w300×50×500. The feature of the general lid is that it has a chamfer in the longitudinal direction. Please feel free to contact us if you have any requests. 【Case Overview】 ■Product Dimensions: General Lid 300 w300×50×500 ■Installation Location: Kobe City, Hyogo Prefecture ■Installation Period: February 2021 *For more details, please refer to the related links or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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[Concrete Product Example] Nara Prefecture: Side Drain Cover C1-B600

[Concrete Product Example] Nara Prefecture: Side Drain Cover C1-B600

Since it was not an in-stock item, we will introduce a case of manufacturing a drainage cover.

Here is a product case of "Sewer Grate C1-B600" in Nara Prefecture. Our company manufactures various types of sewer grates. This particular sewer grate was not in stock, so we produced it. The dimensions are w730×t100×L500. 【Case Overview】 ■Product Dimensions: Sewer Grate C1-B600 w730×t100×L500 ■Installation Location: Yamato-Koriyama, Nara Prefecture ■Installation Period: December 2020 *For more details, please refer to the related links or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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Reinforced concrete road drainage covers (Type 1 and Type 3) JIS standard products

Reinforced concrete road drainage covers (Type 1 and Type 3) JIS standard products

Road Reinforced Concrete Drain Covers (Type 1 and Type 3) JIS A5372

U-shaped drainage covers used in connection with roads and land drainage channels. Drainage channels We handle the following sizes: ● Type 1: 250, 300, 400, 500 ● Type 3: 250, 300, 400, 500 * Type 1: Mainly installed on sidewalks * Type 3: It is rare for vehicles (with a rear wheel load of 50kN or less) to run adjacent, and even if they do, it is in places where they run at low speeds, such as during temporary stops, installed parallel to the roadway * For more details, please download the catalog or contact us.

  • Gutters and U-shaped gutters

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Iron cover for utility duct.

Iron cover for utility duct.

Compatible with the sizes of C.C. BOX manhole covers and joint trench manhole covers throughout Japan.

Nijigi has been involved in the design and manufacturing of iron covers for underground electrical wiring since the early days of undergrounding electrical lines with CAB covers. Nijigi's iron covers are designed to ensure safe and smooth road traffic and to enhance the road's landscape in line with the purpose of installing C.C. Boxes, while being as compact and cost-effective as possible, maximizing functionality.

  • Road facilities
  • Road signs and road accessories
  • Secondary paving products

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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.

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Wooden drainage cover

Wooden drainage cover

Lightweight, durable, and size flexible! A wooden drainage cover with the warmth and texture of natural materials.

The "Wooden Drain Cover" is a lightweight and durable wooden drain cover made by Murooka Forestry Co., Ltd., which is well-versed in local cedar wood. It solves problems such as "the steel plate covers are very noisy with clanging sounds," "I got injured when putting back the heavy cover," and "there are no covers that fit the dimensions of the drain." With appropriate anti-corrosion treatment, it can be used for 10 to 15 years. Experience the warmth and texture of natural materials. Your awareness of the environment will also change. 【Features】 ■ Lightweight ■ Durable ■ Custom sizes ■ Anti-corrosion treatment ■ Long lifespan *For more details, please refer to the catalog or feel free to contact us.

  • wood
  • Exterior and paving materials <General>

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"Cast iron grating cover" around apartments, collective housing, and mansions, etc.

"Cast iron grating cover" around apartments, collective housing, and mansions, etc.

Essential items around apartments, collective housing, and mansions! A standard product made of cast iron mesh, the 'cast iron grating cover' with fine mesh, just like manholes!! β

We would like to introduce the "Cast Iron Grate Cover" (Cast Iron Grate Mesh) handled by Okagreat Co., Ltd. An essential item for apartment complexes and buildings such as condominiums! It collects and drains rainwater on the premises. Featuring a chic, calm color and a matte finish with "Rust-Resistant Black Paint Coating." The photo shows a fine mesh. It is almost always included in the design plans for new properties from major manufacturers of multi-family housing and is commonly installed in familiar locations. It is utilized in various scenes, such as site-cast and repurposed for concrete precast products! The material is the same as that used for manholes, with both the grate cover and frame made of "FC200 Cast Iron" or "FCD500 Ductile Iron"! 〇SHASE-S209 is compatible with the standard frame of ordinary mesh. Please feel free to consult us when you need assistance. 【Features】 ■ Aesthetic appeal ■ Easy installation ■ Safety *For more details, please refer to the PDF document or feel free to contact us.

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Gazelle Slit "GSD (CGT) U-shaped Drainage Type"

Gazelle Slit "GSD (CGT) U-shaped Drainage Type"

The material of the slit cover is cast iron (FCD500) with a slit gap of 6mm! For U150, U180, U240, U300.

We would like to introduce the features of our "Gazel Slit GSD" (for U-shaped gutters). The slit cover is made of cast iron (FCD500), and the frame is finished with galvanized steel. Available for U150, U180, U240, U300, and others. The cast iron (FCD500) slit cover is designed with consideration for aesthetics. By simply placing the frame on top of the concrete U-shaped gutter and securing it with bolts, the construction time can be significantly shortened. After installation, the slit lines blend harmoniously with the surroundings, enhancing the paved surface. Additionally, the cover uses a rain gap type with a 6mm gap, allowing comfortable passage for wheelchairs, strollers, and high heels. Suitable for exteriors, entrance areas, and other buildings, apartments, commercial facilities, and the grounds of temples and shrines. 【Features】 ■ After installation, the drainage slit lines blend harmoniously with the paved surface. ■ Load capacity supports T-14, T-2, and pedestrian use. ■ Simple installation by placing the frame on the U-shaped gutter and securing it with bolts. ■ The slit gap of the cover is 6mm. *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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Cosmetic iron cover for interlocking blocks with a secure lock.

Cosmetic iron cover for interlocking blocks with a secure lock.

It is a security-enhanced manhole cover that can prevent theft and vandalism in places like parks and station squares.

The decorative iron cover with a lock is an iron cover that excels in security and safety among decorative iron covers. Here, we will introduce its usage scenarios and benefits. First, the decorative iron cover with a lock is ideal for use in public places and facilities where a large number of people may have access. For example, it may be used in parks or in front of train stations to prevent theft and vandalism. By introducing a decorative iron cover with a lock, it can prevent unauthorized opening and closing, making it safer and more secure. Furthermore, the decorative iron cover with a lock can be locked and unlocked using a dedicated key handle, which reduces the burden on the administrator. The roller slide opening and closing type decorative iron cover is easy to open and close and is excellent in terms of maintenance. "Lock Installation Procedure" [Video] https://youtu.be/UXi6T4rp2n8

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Reinforced concrete special L-shaped (Tokyo Metropolitan Bureau of Construction type)

Reinforced concrete special L-shaped (Tokyo Metropolitan Bureau of Construction type)

L-shaped lid (also has three holes), edge block

Covers for U-shaped ditches 240 and 300, will be edge blocks.

  • Gutters and U-shaped gutters

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Tokyo Metropolitan Type Reinforced Concrete U-shaped Covers (Type 1 and Type 2)

Tokyo Metropolitan Type Reinforced Concrete U-shaped Covers (Type 1 and Type 2)

Tokyo Metropolitan Type Reinforced Concrete U-shaped Cover (Type 1 and Type 2)

U-shaped drain covers used in connection with roads, land, and drainage ditches.

  • Gutters and U-shaped gutters

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