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

Last Updated: Aggregation Period:Apr 08, 2026~May 05, 2026
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lid Product List

1~30 item / All 74 items

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[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
  • lid

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[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
  • lid

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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
  • lid

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[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.

  • Inspection hatches, manhole covers, and ditch covers
  • lid

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[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
  • lid

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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
  • lid

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[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
  • lid

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Opening protection cover

Protective cover to prevent falls or drops into openings.

- Compatible with openings of size 500 × 500 - Equipped with two handles for easy portability - Easy installation by simply placing it with anti-shift bolts attached to match the opening - Includes a door for passing drainage hoses and wiring 【Notes】 - Always use the anti-shift bolts. - Use within the allowable load (maximum load 300 Kg). Excessive loads other than pedestrian traffic are prohibited. - Please ensure that the lid does not hang less than 50mm. - If there are walls, columns, or protrusions near the opening, the lid may hit and not fit into the opening. Please check the situation near the opening before use. - When lifting, be sure to grab both handles to avoid pinching fingers or other body parts. - Be careful of falls or drops when installing or removing the lid.

  • Floor and equipment composite system
  • lid

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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
  • lid

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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
  • lid

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Lighter opening and closing than before | High-tensile flow snow groove grating

Shoveling snow is tough. At least, I want to make the lid lighter.

As the population ages, a budget was allocated to introduce spring-operated snowmelt gutter grates. Residents were thrilled with the light opening and closing during snow removal! However, a few years later, the device deteriorated, resulting in the same heavy standard grates as before... If that was the case, it would have been better to use standard snowmelt gutters from the beginning and allocate the funds to other maintenance costs. Therefore, we now have lighter snowmelt gutter grates without the weight reduction device.

  • Grating
  • Snow melting equipment
  • Exterior snow melting equipment
  • lid

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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>
  • lid

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"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.

  • Inspection hatches, manhole covers, and ditch covers
  • lid

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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
  • lid

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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

  • Inspection hatches, manhole covers, and ditch covers
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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
  • lid

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Sleeve protective cover "CF Cap"

Properly protect the sleeve holes during building construction.

Ideal for preventing foreign objects from falling to the lower floor and water droplets from entering, reusable, and compatible with various hole diameters! 【Features】 ■ The top cover and legs can be removed with a single touch. Compact storage makes on-site management easy. ■ Compatible with sleeve diameters from 50φ to 230φ. The legs are common for all sizes, and the top cover can be selected from four sizes. ■ Reusable. It is less likely to shift from the sleeve hole, making it resistant to deformation and suitable for repeated use. ■ Prevents water leakage. By applying caulking all around, it prevents water from entering the lower floor. Additionally, the shape allows the caulking material to fit securely, enabling effective protection while minimizing usage. Removal after installation can also be done smoothly. ■ Fits perfectly in the sleeve hole with spring power. It fits securely in the center position relative to the sleeve hole.

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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
  • lid

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Grease trap lid

Choose whether to have a handle and select the material! Introducing a lid for grease traps that takes hygiene management into consideration!

The "grease trap cover" is a product designed to prevent the entry of garbage, odors, and pests from the handle. There are types without handles and cheaper types made of different materials, and the aluminum version is lightweight, making it easy to handle during work. Additionally, it contributes to improving hygiene management in accordance with HACCP. 【Features】 ■ For grease traps ■ Consideration for preventing garbage entry, odors, and pests ■ Contributes to improved hygiene management ■ Customizable with or without handles and material changes ■ Made to order *For more details, please refer to the PDF document or feel free to contact us.

  • Drainage and ventilation equipment
  • Drainage material
  • lid

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Concrete product - Tame Mas cover (drainage basin cover)

Concrete product: Tame Mas lid (drainage pit lid)

This is a concrete cover for a catch basin (drainage basin) corresponding to the main body of the catch basin. It has recesses on both sides for easy removal. Since there are no holes, it can prevent odor leakage. The available sizes are as follows: - For 150 (5 inches) - For 180 (6 inches) - For 240 (8 inches) - For 300 (1 foot) - For 360 (1 foot 2 inches) - For 450 (1 foot 5 inches) - For 600 (2 feet) We also accept orders for custom products (sizes, processing, etc.), so please feel free to consult with us.

  • Drainage and water removal
  • Earthworks
  • Pile and foundation work
  • lid

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Concrete product well cover

Concrete product well cover

This is a concrete lid for the well side that corresponds to the main body of the well. The available sizes are as follows: - For well side 600 - For well side 750 - For well side 900 - For well side 1200 We also accept orders for custom products (sizes, processing, etc.), so please feel free to consult with us.

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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.

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Steel "cosmetic cover" for site-cast gutters interlocking blocks.

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

We would like to introduce the "Decorative Cover" (made of steel for drainage ditches) handled by Okagreat Co., Ltd. This is a steel "decorative cover" (finished with hot-dip galvanizing) that blends smartly into the landscape when filled with interlocking blocks in private sites, commercial facilities, and other exterior construction projects. With its hot-dip galvanized steel finish, it offers high corrosion resistance and a very sleek appearance. The frame for site-cast drainage ditches is also made of hot-dip galvanized steel. We can also provide a frame for the decorative cover that can be secured simply by tightening bolts to the U-shaped concrete secondary products. *For more details, please refer to the PDF document or feel free to contact us.

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Stainless steel "cosmetic cover." For drainage ditches, colored pavement, and tiles. β

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

We would like to introduce the "Decorative Covers" (made of stainless steel, for drainage channels, color paving, and tiles) handled by Okagreat Co., Ltd. These stainless steel "Decorative Covers" are designed to be filled with color paving or tiles in private sites, commercial facilities, and other exterior construction projects, blending seamlessly into the landscape. Being made of stainless steel, they are highly corrosion-resistant and very sleek and attractive. The drainage channel covers are made entirely of stainless steel. We also offer stainless steel receiving frames that can be fixed to concrete U-shaped channels for decorative covers simply by tightening bolts. *For more details, please refer to the PDF materials or feel free to contact us.

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Stainless steel "cosmetic cover" for on-site drainage channels, for colored pavement and tiles.

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

We would like to introduce the "Decorative Covers" (made of stainless steel, for drainage ditches, color paving, and tiles) handled by Okagreat Co., Ltd. These stainless steel "Decorative Covers" are designed to be filled with color paving or tiles in private sites, commercial facilities, and other exterior construction projects, blending seamlessly into the landscape. Being made of stainless steel, they are highly corrosion-resistant and very sleek and beautiful. The drainage ditch covers are made entirely of stainless steel. We also offer stainless steel receiving frames that can be fixed to concrete U-shaped ditches simply by tightening bolts for the decorative covers. *For more details, please refer to the PDF materials or feel free to contact us.

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Stainless steel "cosmetic cover." For interlocking blocks for drainage ditches β.

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 seamlessly into the landscape. Being made of stainless steel, it has high corrosion resistance and is very sleek and clean. The frame for the on-site drainage ditch is also made entirely of stainless steel. We can also provide a stainless steel frame for the decorative cover that can be fixed simply by tightening bolts into the U-shaped concrete secondary product drainage ditches. *For more details, please refer to the PDF document or feel free to contact us.

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Manhole Fall Prevention Temporary Cover GENTI HOLE GUARD

Manhole fall prevention and falling object prevention temporary cover

GENTI HOLE GUARD is a temporary cover designed to prevent falls into manholes and to prevent falling objects. Frequently opening and closing heavy manhole covers is labor-intensive work. However, leaving them open is extremely dangerous. It can lead to serious accidents due to third parties falling or objects dropping. By using HOLE GUARD in such situations, serious accidents can be prevented.

  • Safety Supplies
  • lid

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Iron cover for utility duct: Iron cover for pedestrian and vehicle boundary.

By inserting a steel cover frame under the L-shaped drainage ditch, it is possible to reduce the relocation of existing buried pipes.

Iron cover for utility duct: Iron cover for pedestrian-vehicle boundary Product name: EV600×1200×H250 By allowing the receiving frame to slip under the L-shaped gutter, it is possible to reduce the relocation of existing buried pipes. - When installing a special section near the pedestrian-vehicle boundary, the installation position of the iron cover and the special section can be moved approximately 100 mm closer to the roadway compared to conventional iron covers. - This expands the possibility of avoiding the relocation of existing underground piping. - Inspection openings can be installed within the sidewalk even in areas where the sidewalk width is narrow. *This helps avoid road restrictions during inspection work by utility managers and ensures the safety of the work.

  • Road facilities
  • Inspection hatches, manhole covers, and ditch covers
  • Road signs and road accessories
  • lid

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Lightweight rubber drainage covers as an alternative to grating [Case study collection giveaway!]

Made of rubber, non-slip, and safe! Weighs only 1/4 of a concrete drain cover. *Case study collection available!

"Perfect Cover," "Spogre," and "Perfect Drain Covers" are high-quality rubber-made drainage covers that excel in weather resistance, colorfastness, and abrasion resistance. They are elastic and have a non-slip finish, which helps prevent accidents caused by slips and falls on grates. Additionally, they are lighter compared to conventional concrete drainage covers, making them easy to move and remove, thus facilitating easy cleaning of the drains. [Examples of Use] Drainage ditches and U-shaped drain covers in factory cafeterias, playgrounds, schoolyards, around baseball fields, tennis courts, sports fields, golf courses, and poolside areas. [Features] ■ Basic colors: Green, Anthracite ■ Sizes: Three types of drain covers (180, 240, 300) and three types of drain frames (300, 450, 600) *You can view the construction case collection via the "PDF Download" link below. *For more details, please refer to the PDF materials or feel free to contact us.

  • Gutters and U-shaped gutters
  • lid

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Waterproof Manhole Cover "KSF Series"

It does not flood even under an external water pressure of 0.15 MPa! This is a product for preventing flooding inside manholes due to heavy rain and tsunamis.

The "KSF Series" is a waterproof manhole cover that can withstand external water pressure of up to 0.15 MPa, preventing water from entering the protector and protecting devices such as level gauges. By using it in combination with an oil submersible pump, it provides comprehensive flood prevention measures. Please utilize it as a countermeasure against flooding in manholes caused by heavy rain or tsunamis. 【Features】 ■ Waterproof type ■ Does not flood even under external water pressure of 0.15 MPa ■ Provides comprehensive flood prevention measures when used in combination with an oil submersible pump *For more details, please refer to the PDF materials or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers
  • lid

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