lid Product List and Ranking from 85 Manufacturers, Suppliers and Companies | IPROS

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
This ranking is based on the number of page views on our site.

lid Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
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. ダイドレ Osaka//Building materials, supplies and fixtures manufacturers
  4. 4 川本コンクリート工業所 Mie//Building materials, supplies and fixtures manufacturers
  5. 5 安全器材 Hyogo//Building materials, supplies and fixtures manufacturers
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lid Product ranking

Last Updated： Aggregation Period:Feb 18, 2026～Mar 17, 2026
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. Cast iron protective cover for sewer "DBK" ダイドレ
  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 Lightweight rubber drainage covers as an alternative to grating [Case study collection giveaway!] 安全器材
  5. 5 Airport and Electrical Construction Related Products Catalog VOL. 11 ヴェインシステムズ

lid Product List

211～240 item / All 265 items

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Rubber drainage cover [Aichi Prefecture Private Baseball Field]

Rubber drainage cover [Aichi Prefecture Private Baseball Field]

There is no damage from spikes! We will introduce examples of rubber drainage cover installations.

The "Perfect Cover" is a high-quality rubber-made drainage cover that excels in weather resistance, color retention, and abrasion resistance. It is elastic and has a non-slip surface, which helps prevent accidents caused by slipping. Compared to conventional concrete drainage covers, it is lightweight, making it easy to move and remove, thus facilitating easy cleaning of the drainage. We would like to introduce a case where it was implemented in a private baseball field to enhance accident prevention and drainage functionality. Since it is made of high-quality rubber, it does not suffer damage from spikes. 【Case Study】 ■ Location: Nagoya City, Aichi Prefecture, Private Baseball Field ■ Product: Perfect Cover B ■ Purpose: Accident prevention and improved drainage functionality → Adopted to address slip accidents with spike shoes and the occurrence of puddles. *For more details, please refer to the PDF document or feel free to contact us.

  • Gutters and U-shaped gutters
  • lid

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Rubber Drain Cover [Fukuoka Prefecture Baseball Stadium]

Rubber Drain Cover [Fukuoka Prefecture Baseball Stadium]

Introducing examples of rubber drainage covers that do not slip even when wet, thanks to anti-slip processing!

The "Perfect Cover" is a drainage cover made of high-quality rubber that excels in weather resistance, colorfastness, and abrasion resistance. The underside of the cover has grooves cut into it to improve drainage from the sides, and its elasticity ensures that no injuries occur even if someone falls. We would like to introduce a case where it was implemented in a baseball field for accident prevention and improved drainage functionality. Since it uses high-quality rubber, it is not damaged by rollers or spikes. 【Case Study】 ■Location: A certain baseball field in Fukuoka Prefecture ■Product: Perfect Cover G ■Purpose: Accident prevention and improved drainage functionality → Adopted to prevent accidents with slippery spike shoes and to prevent puddles during overflow. *For more details, please refer to the PDF document or feel free to contact us.

  • Gutters and U-shaped gutters
  • lid

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Fukuhara Foundry Co., Ltd. Business Introduction

Fukuhara Foundry Co., Ltd. Business Introduction

We handle a wide range of products for manhole cover safety, including "fall prevention ladders" and "hand grips" for entering and exiting.

Fukuhara Casting Manufacturing Co., Ltd. is a company that is constantly striving to advance into new fields, handling FCD cast iron and manhole buoyancy prevention methods. We are dedicated to developing forward-thinking products and technologies, such as "Tree Circles" (root protection for trees) for urban greening and "New Type Valve Boxes" suitable for cost reduction of water supply materials. 【Products Offered】 ■ Improved Water Supply Partition Valve Box PAT.P ■ Heavy Rain Response Type Collection L-shaped Curb and Cover ■ Water Supply Partition Valve Box (Benkyou) KPE Type ■ Inner Weight Method *Please feel free to contact us for more details.

  • Inspection hatches, manhole covers, and ditch covers
  • Other earthworks, foundation works, and exterior floors
  • Road facilities
  • lid

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Technical Document: Manhole Uplift Prevention Measures "Inner Weight Method"

Technical Document: Manhole Uplift Prevention Measures "Inner Weight Method"

The definitive method for preventing manhole floatation! Includes examples of the inner weight method construction!

This document introduces the "Inner Weight Method" to prevent the phenomenon of manhole uplift caused by liquefaction. It includes information on damages caused by manhole uplift, as well as the evaluation and characteristics of method selection and weight-increasing methods. 【Contents (partial)】 ■ Damages caused by manhole uplift ■ Mechanism of manhole uplift ■ Diagnosis of manhole uplift ■ Method selection (Part 1 to Part 3) ■ Evaluation of weight-increasing methods *For more details, please refer to the PDF document or feel free to contact us.

  • Earthquake-resistant construction method
  • Ground foundation construction method
  • Inspection hatches, manhole covers, and ditch covers
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[Concrete Product Case] Mie Prefecture: Custom Well Cover

[Concrete Product Case] Mie Prefecture: Custom Well Cover

The product dimensions are for Φ600 with an opening of Φ165! Changes to hole size and position are also possible.

Here is a product example of a "custom well cover" from Mie Prefecture. The product dimensions are for a Φ600 well cover with an opening of Φ165. A large hole has been made. Standard products also have round holes. At the customer's request, changes to the hole size and position are possible. Please consult with us. 【Case Overview】 ■ Product Dimensions: Custom well cover for Φ600 with opening Φ165 ■ Installation Location: Ise City, Mie Prefecture ■ Installation Period: March 2021 *For more details, please refer to the related links or feel free to contact us.

  • Wells and hot springs
  • lid

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[Concrete Product Example] Mie Prefecture: Special GC NS Cover Set of 2

[Concrete Product Example] Mie Prefecture: Special GC NS Cover Set of 2

We would like to introduce a case where a custom GC lid was finished in the Mie Prefecture color version.

Here is a case study of the "Special GC NS Cover Set of 2" in Mie Prefecture. There was a request to change from a grating to a concrete cover at the square in front of Ise City Station. Since a regular concrete cover raised concerns about strength, we opted for the GC specification. Additionally, it was finished in the colors of Mie Prefecture. 【Case Overview】 ■Product Dimensions: Special GC NS Cover Set of 2, 460×960×t75, set of 2 ■Installation Location: Ise City, Mie Prefecture ■Installation Period: April 2022 *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 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.

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

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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
  • lid

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[Concrete Product Example] Hyogo Prefecture: Well Side Φ1000 Collection Φ1000

[Concrete Product Example] Hyogo Prefecture: Well Side Φ1000 Collection Φ1000

Well side with dimensions Φ1000×H1000 and thickness 85! Delivery combined to Hyogo Prefecture.

Here is a product example of "Well Side Φ1000 Collection Φ1000 with Lid" in Hyogo Prefecture. It was delivered to Hyogo Prefecture as a combined shipment. The combination of the main pipe and collection pipe is left to the customer. The lid specification is two pieces. If a one-piece lid is desired, the size will remain the same, but we will create it as a one-piece according to your request. 【Case Overview】 ■ Product Dimensions - Well Side Φ1000×H1000 Thickness 85 - Well Side Collection Φ1000×H1000 Thickness 85 - Well Lid for Φ1000 (Diameter 1170 Thickness 80) ■ Installation Location: Kakogun, Hyogo Prefecture ■ Installation Period: March 2021 *For more details, please refer to the related links or feel free to contact us.

  • Other earthworks, foundation works, and exterior floors
  • lid

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[Concrete Product Example] Nara Prefecture: Precast NS Deck Slab

[Concrete Product Example] Nara Prefecture: Precast NS Deck Slab

Slab floor panels are custom-made to your specifications!

We would like to introduce a product case of the "Precast NS Deck Slab" in Nara Prefecture. The Φ600 high-grip manhole cover is a simple sealed type, odor-proof, and designed for heavy loads, equipped with two locations for grating covers and chequered steel plate covers. The top surface features a non-slip chequered pattern. Recently, there has been an increase in the replacement of aging septic tank covers with integrated slab construction. 【Case Overview】 ■ Product Dimensions - Precast NS Deck Slab 2,800×1,000×t240 - Heavy load simple sealed manhole cover Φ600 with sewage mark ■ Installation Location: Tenri City, Nara Prefecture ■ Installation Period: March 2022 *For more details, please refer to the related links or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers
  • Other flooring materials
  • lid

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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
  • lid

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[Concrete Product Example] Gifu Prefecture: Custom Cover Wave Type

[Concrete Product Example] Gifu Prefecture: Custom Cover Wave Type

Examples of products that are cute in appearance and made with heartfelt dedication!

Here is a case study of a "custom lid with wave pattern" from Gifu Prefecture. As you can see, it is a lid with waves on both sides. You might wonder what it is used for, but it is said to be for experiments. Nevertheless, it looks cute. It was made with heartfelt care. Please feel free to contact us when you need our services. 【Case Overview】 ■Product Dimensions: Custom Lid 375×567×t60 with wave pattern on both sides and ribs ■Installation Location: Anpachi District, Gifu 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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[Concrete Product Example] Osaka Prefecture: Side Drain Cover K1-A400

[Concrete Product Example] Osaka Prefecture: Side Drain Cover K1-A400

Product dimensions are w490×t100×L600! Construction period is November 2020.

We would like to introduce a product case of the "Sewer Cover K1-A400" in Osaka Prefecture. The product dimensions are w490×t100×L600, and the construction period was November 2020. Please feel free to contact us when you need our services. 【Case Overview】 ■Product Dimensions: Sewer Cover K1-A400 w490×t100×L600 ■Construction Location: Sakai City, Osaka Prefecture ■Construction Period: November 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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Repair lid (slit type) for side ditch rehabilitation.

Repair lid (slit type) for side ditch rehabilitation.

Effective use of the flat sidewalk over the side ditch! It is less prone to wear and damage, which helps reduce maintenance.

The "Repair Lid (Slit Type)" is a renewal cover for existing gutters that enhances the functionality of sidewalks. It collects surface water through continuous slits and drains it into the gutter via drainage holes. The slits and drainage holes are designed to minimize sand clogging, ensuring reliable surface drainage compared to conventional covers. Additionally, the sidewalk area is unified and wide with a smooth pavement surface, creating a neat appearance, and the cover is covered by the pavement, reducing noise caused by cover rattling. 【Features】 ■ Barrier-free sidewalks ■ Excellent drainage performance ■ Improved sidewalk aesthetics ■ Noise reduction ■ Superior workability *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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[Production Example] Titanium (two types of pure titanium) lid

[Production Example] Titanium (two types of pure titanium) lid

Providing customers with excitement through technical skills and proposal capabilities! Introducing our production examples.

Here is a case study of the production of a "titanium (pure titanium of two types) lid." Over time, it became warped from the center and was no longer usable. Therefore, after consulting with the customer, we reinforced the top surface of the lid to ensure it could withstand the usage conditions. [Case Overview] ■ Issue - It became warped from the center and was no longer usable over time. ■ Solution - Reinforced the top surface of the lid after consulting with the customer. *For more details, please refer to the PDF document or feel free to contact us.

  • Metal plate
  • lid

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Stackable hotel pan lid specification

Stackable hotel pan lid specification

A lid that makes hotel pans stackable! Stable and easy to carry even when stacked!!

While maintaining the capacity of conventional hotel pans, we have improved the shape of the lid's tier to allow for stacking. The bottom of the hotel pan fits securely and stably.

  • others
  • lid

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Cast iron manhole cover

Cast iron manhole cover

This is a catalog of cast iron manhole covers. They are manufactured in accordance with the standards of the Air Conditioning and Sanitary Engineering Society (Shase-s).

Comprehensive manufacturer of water-related products such as drainage equipment and manhole covers. This is the catalog for DaiDore's cast iron 'manhole covers.' Manhole covers are broadly classified into those for public roads and those for building facilities, but the products we handle are primarily for building facilities. Additionally, our manhole covers for building facilities are manufactured in accordance with the Air Conditioning and Sanitary Engineering Society standard "SHASE-S 209 Cast Iron Manhole Covers." The catalog includes part numbers and detailed dimensions. [Contents] - Water-sealed / Simple sealed manhole covers - Sealed manhole covers *If you have any questions, please feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers
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Cast iron grating cover

Cast iron grating cover

This is a catalog for "cast iron grates." They are manufactured in accordance with the standards of the Society of Heating, Air-Conditioning and Sanitary Engineers (SHASE-S).

Comprehensive manufacturer of water-related products such as drainage fixtures and manhole covers. This is the catalog for DaiDore's "Cast Iron Grate Covers." Manhole covers are broadly categorized into those for public roads and those for building facilities, but the products we handle are for building facilities. Our building facility manhole covers are manufactured in accordance with the Air Conditioning and Sanitary Engineering Society standard "SHASE-S 209 Cast Iron Manhole Covers." The catalog includes part numbers and detailed dimensions. [Contents] - Square grate covers - Stainless steel leaf catchers for square grate covers - Round grate covers - Manhole opening and closing tools - Chains for manholes *If you have any questions, please feel free to contact us.

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

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
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[Construction Example] Color Rubber Cover for U-shaped Ditch | Shima Integrated Nursery and Kindergarten Facility

[Construction Example] Color Rubber Cover for U-shaped Ditch | Shima Integrated Nursery and Kindergarten Facility

Introducing examples of the installation of "colored drainage covers" that protect the aesthetics of U-shaped gutters and ensure safety. They can also be replaced with existing concrete covers.

Koyo Sangyo's "Color Rubber Cover" is a U-shaped drain cover that safely covers U-shaped drains while maintaining aesthetic appeal. It is made from excellent weather-resistant and durable rubber, and is widely used in places where safety is a priority, such as kindergartens, nursery schools, schools, and outdoor sports venues. 【Example of Color Rubber Cover Installation 1】 ■Location: Shima Integrated Nursery and Kindergarten Facility (Mie Prefecture) 【Currently Active in These Places!】 Elementary Schools / Junior High Schools / Nursery Schools / Kindergartens / Sports Venues / Parks / Parking Lots / Pools / Tennis Courts / Golf Courses, etc. *If you would like a cut sample, please let us know via the contact form. *For more details, please refer to the PDF materials or feel free to contact us.

  • Drainage material
  • Gutters and U-shaped gutters
  • Inspection hatches, manhole covers, and ditch covers
  • lid

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[Construction Example] Color Rubber Cover for U-shaped Drainage Ditch | Adachi Ward Shikahama First Elementary School

[Construction Example] Color Rubber Cover for U-shaped Drainage Ditch | Adachi Ward Shikahama First Elementary School

Introducing a case study of the installation of "colored drainage covers" that protect the aesthetics of U-shaped ditches and ensure safety. They can also be replaced with existing concrete covers.

Koyo Sangyo's "Color Rubber Cover" is a U-shaped drain cover that safely covers U-shaped drains while maintaining aesthetic appeal. It is made from high-quality weather-resistant and durable rubber, and is widely used in places where safety is a priority, such as kindergartens, nursery schools, schools, and outdoor sports venues. 【Example of Color Rubber Cover Installation 2】 ■Location: Adachi Ward Shikahama First Elementary School (Tokyo) 【Currently in Use Here!】 Elementary Schools / Junior High Schools / Nursery Schools / Kindergartens / Sports Venues / Parks / Parking Lots / Pools / Tennis Courts / Golf Courses, etc. *If you would like a cut sample, please let us know through the contact form. *For more details, please refer to the PDF materials or feel free to contact us.

  • Drainage material
  • Gutters and U-shaped gutters
  • Inspection hatches, manhole covers, and ditch covers
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[Construction Example] Color Rubber Cover for U-shaped Drainage Ditch | Nakai Park Tennis Court

[Construction Example] Color Rubber Cover for U-shaped Drainage Ditch | Nakai Park Tennis Court

Introducing examples of the installation of "colored drainage covers" that protect the aesthetics of U-shaped gutters and ensure safety. They can also be replaced with existing concrete covers.

Koyo Sangyo's "Color Rubber Cover" is a U-shaped drain cover that safely covers U-shaped drains while maintaining aesthetic appeal. It uses excellent weather-resistant and durable rubber, and is widely used in places where safety is a priority, such as kindergartens, nursery schools, schools, and outdoor sports venues. 【Example of Color Rubber Cover Installation 5】 ■Location: Nakai Park Tennis Court (Gifu Prefecture) 【Currently Active in These Places!】 Elementary Schools / Junior High Schools / Nursery Schools / Kindergartens / Sports Venues / Parks / Parking Lots / Pools / Tennis Courts / Golf Courses, etc. *If you would like a cut sample, please let us know through the contact form. *For more details, please refer to the PDF materials or feel free to contact us.

  • Drainage material
  • Gutters and U-shaped gutters
  • Inspection hatches, manhole covers, and ditch covers
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Cross-drainage ditch grating cover "T-25"

Cross-drainage ditch grating cover "T-25"

Supports a 2% cross slope! The non-slip treatment is effective in preventing slipping.

The "T-25" is a dedicated product designed to solve the issues of cross drainage ditches, such as strength for heavy vehicles and anti-slip measures for driving safety. The grating is fixed to the body of the ditch with four bolts, and a vibration-damping rubber gasket is installed between them to prevent rattling, warping, and noise. Additionally, the cover plate encases the tip of the body, enhancing durability against impact loads. 【Features】 - Non-slip processing effectively prevents slipping. - Allows for quick passage by using cross drainage ditches. - Accommodates a 2% cross slope. - Available in lengths that can be ordered in 10 cm increments. - Variable slope ditches are also available. *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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Drop-in type U-shaped drainage channel flow rail specification "Flow Rail Cover"

Drop-in type U-shaped drainage channel flow rail specification "Flow Rail Cover"

Water collection capacity increased by 5 times! A barrier-free design that minimizes slopes and steps, considerate of pedestrians and cyclists.

The "Flow Rail Cover" is a drop lid type U-shaped drainage channel product designed to enhance drainage capacity. By incorporating a water collection slope and creating a curved handle section, it allows for easier water intake, while minimizing step height to 3mm and maintaining a slope of 2.0% to reduce the impact on pedestrians. Improving road drainage helps prevent vehicle accidents and pedestrian falls, and the water collection system, which replaces grating, also aids in theft prevention. 【Features】 ■ Easier water intake achieved by establishing a water collection slope and creating a curved handle section ■ Barrier-free design by minimizing slopes and step heights ■ Covers designed with consideration for pedestrians and cyclists ■ Prevents vehicle accidents and pedestrian falls by improving road drainage ■ Aids in theft prevention through water collection that replaces grating *For more details, please refer to the PDF document or feel free to contact us.

  • Gutters and U-shaped gutters
  • lid

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FX Cover Slit Type

FX Cover Slit Type

The slit is a safe barrier-free feature! It can prevent rainwater from crossing from both the private land and the road.

We handle the "FX Cover with Slit Type." By incorporating a slit in the center of the cover, the water collection efficiency is significantly improved compared to conventional covers. The slit prevents rainwater from crossing from both the private land and the road. The slit width is designed with barrier-free considerations for wheelchairs, high heels, and elderly canes. (The width of conventional drainage grates is approximately 25mm.) Of course, soundproofing functionality is standard. 【Features】 ■ Excellent water collection efficiency ■ Slit designed for safety and barrier-free access ■ Noise reduction features included as standard ■ Usable with standard FX drainage and variable drainage *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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Existing Drainage Ditch Renewal Method "W2R Method"

Existing Drainage Ditch Renewal Method "W2R Method"

A drainage renewal method that has minimal impact on existing sidewalks, private land, and surrounding residents.

The "W2R Method" is a construction technique that involves cutting unnecessary parts of an existing drainage ditch with a specialized cutter called the "W2R Cutter" from the inside of the ditch, and then installing a precast concrete cover known as the "W2R Drainage Ditch Cover" to renew the ditch. The "W2R Cutter" can cut from the inside without damaging the ditch. It improves the so-called "three K's" (kiken - danger, kitanai - dirty, kitsui - tough) associated with traditional methods. The "W2R Drainage Ditch Cover" excels in workability, pedestrian safety, and drainage performance. Please feel free to consult us if you have any requests. 【Suitable Situations】 ■ When there are walls or similar structures close to the private land side, and there is a risk of damage during the demolition of the existing drainage ditch. ■ When there are many access points for stores, requiring construction to be completed in as short a time as possible. ■ When there are residential houses or stores close to the construction site, and there is a desire to minimize noise and dust issues during the demolition of the existing drainage ditch. ■ When the width of the sidewalk is narrow, and it is necessary to minimize the impact on pedestrians and cyclists during construction. *For more details, please download the PDF or feel free to contact us.

  • Renovation and repair methods
  • Road construction
  • lid

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Opening protection cover

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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Colored paving iron cover (decorative iron cover)

Colored paving iron cover (decorative iron cover)

Contribute to the beauty of urban landscapes.

This is a series of iron covers made from cast iron material, which excels in strength and durability. They can be filled with paving materials similar to those used in exterior structures and streets, enhancing the aesthetics of the road surface. We offer a wide selection of models to accommodate everything from building exteriors to residential site roads and roadways. 【Product Lineup】 ■ Simple Sealed Type ■ Sealed Type ■ General Type *For more details, please download the PDF or contact us.

  • Inspection hatches, manhole covers, and ditch covers
  • Exterior and paving materials <General>
  • lid

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Cast iron manhole cover

Cast iron manhole cover

Maintains road safety with excellent durability.

This is a cast iron grate used for drainage ditches on roads, sidewalks, and building exteriors. We offer a wide variety of models tailored to specific usage purposes and load conditions. For major roads with heavy traffic, we use ductile cast iron, which excels in toughness, impact resistance, corrosion resistance, and wear resistance. It demonstrates sufficient durability against vehicle impacts and repeated loads. Additionally, for sidewalks, we provide narrow opening types that allow smooth passage over the grate, as well as slip-resistant patterns with surface textures. This enhances the safety of the roadway. 【Product Lineup】 ■ For cross ditches ■ For side ditches ■ For catch basins *For more details, please refer to the PDF document or feel free to contact us.

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

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Iron cover and frame for water supply sewer.

Iron cover and frame for water supply sewer.

It is a manhole cover for stop valves, sprinklers, and water meters.

This is a cast iron cover for water meters, stop valves, and hydrants. We also have products that correspond to various standards. 【Product Lineup】 ■ Iron cover for water meter pits ■ Housing for stop valves ■ Iron cover for stop valves ■ Hydrant box *For more details, please download the PDF or contact us.

  • Manhole body
  • lid

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