Impregnation tank Product List and Ranking from 18 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Impregnation tank Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. 秩父ケミカル 本社 Tokyo//Building materials, supplies and fixtures manufacturers
  2. マンホール商会 本社 Tokyo//Building materials, supplies and fixtures manufacturers
  3. コクカコーポレーション Tokyo//Building materials, supplies and fixtures manufacturers
  4. 4 長島鋳物 Saitama//Building materials, supplies and fixtures manufacturers
  5. 5 荒木製作所 Osaka//Building materials, supplies and fixtures manufacturers
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Impregnation tank Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. Rainwater retention infiltration facility / infiltration trench "New Trench-kun II" 秩父ケミカル 本社
  2. Infiltration Trench 'D-Product' コクカコーポレーション
  3. Disaster-use manhole toilet "Epet-san (Western-style direct set)" 長島鋳物
  4. 4 Backflow prevention valve "MC-50" マンホール商会 本社
  5. 5 Emergency Manhole Toilet - Toilet-kun 日本ステップ工業

Impregnation tank Product List

1～15 item / All 23 items

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Rainwater retention infiltration facility / infiltration trench "New Trench-kun II"

Rainwater retention infiltration facility / infiltration trench "New Trench-kun II"

Outstanding water treatment capability significantly reduces construction area! No piping work required, shortening the construction period! Equipped with maintenance features!

In accordance with the new technical guidelines of the Public Interest Incorporated Association for Rainwater Retention and Infiltration Technology, we have launched a model-changed new standard "New Trench-kun II" (product dimensions remain unchanged). Improvements have been made compared to the conventional model as follows: - Compliance with the new technical guidelines of the Public Interest Incorporated Association for Rainwater Retention and Infiltration Technology - Improved connection pieces for easier assembly - Elimination of transport pipe ribs, allowing for internal inspection of the tank with a camera The plastic rainwater retention and infiltration facility, infiltration trench "New Trench-kun II," significantly reduces construction area with its excellent void ratio. No piping work is required, assembly is extremely simple with one-touch connections, and construction time is shortened. It is compatible with T-25 and can be installed under parking lots. The unique internal maintenance function of New Trench-kun II makes maintenance very easy. Due to these features, a cost reduction of 0-40% compared to conventional crushed stone trenches is possible (this varies by administration, so please contact us for details). *New Trench-kun II is a previously registered product in the Ministry of Land, Infrastructure, Transport and Tourism's new technology information provision system 'NETIS' (old registration number KT-130092-A).

  • Rainwater infiltration facilities
  • Flood prevention facilities, fire tanks, and flood control ponds
  • Sewerage facilities

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TG-type Rainwater Retention Infiltration Tank SRS

TG-type Rainwater Retention Infiltration Tank SRS

We will effectively utilize rainwater to prevent the deepening of global warming and protect water resources.

Currently, on Earth, the emissions of greenhouse gases due to massive energy consumption are increasing, and global warming is progressing at a pace far beyond expectations. The impacts on ecosystems and climate change, such as increased evaporation and drought areas, indicate that the future world will face intensified natural disasters and severe water shortages, with extremely serious consequences for human society. An urgent message has been issued by scientists calling for immediate action towards climate stabilization worldwide. It has been pointed out that Japanese people have historically taken water and safety for granted, reflecting a lack of awareness and sense of crisis. Our country, located in a region of heavy rainfall and high humidity, has long enjoyed abundant rainfall and clean water resources, living in a "safe society." Now is the time to re-recognize the spirit and teachings of our ancestors regarding "waste not, a single drop of water," and to effectively utilize the precious natural resource of "rainwater" that remains in our country. Each individual has a significant responsibility to start taking action from familiar matters to realize a "low-carbon society" and leave a beautiful Earth environment for future generations. For more details, please contact us or refer to the catalog.

  • Flood prevention facilities, fire tanks, and flood control ponds

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Precast manhole toilet

Precast manhole toilet

Disaster toilets installed in evacuation shelters during emergencies.

■The toilet environment can be quickly secured as it can be used immediately after the temporary tent booth is set up. ■The entrance step can be minimized, making it easier for those requiring assistance to use. ■The installation of large temporary tent booths allows for wheelchair access. ■The adoption of PCaBOX enables construction in a short period. ■The underground box cross-section can be selected according to the required capacity.

  • Secondary steel products
  • Foundation construction
  • Other civil engineering works

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Urban Flood Control! Rainwater Storage and Infiltration Tank 'Risrain Stadium II'

Urban Flood Control! Rainwater Storage and Infiltration Tank 'Risrain Stadium II'

We will suppress rainwater runoff and achieve measures against river flooding and urban water damage! Easy-to-install rainwater storage and infiltration tanks!

"Riserain Stadium II" is a rainwater retention and infiltration tank manufactured by Risukogyo Co., Ltd. This product is constructed by manually fitting and stacking plastic components, and it forms a structure with multiple tunnel components that are wrapped in a waterproof or permeable sheet, thereby creating a rainwater retention tank or infiltration tank. Taisei Kogyo Co., Ltd. can undertake both the materials and construction of rainwater retention and infiltration tanks. 【Features】 ■ Easy installation ■ Maintenance-friendly ■ Waste reduction ■ Recycled materials *For more details, please download the PDF or feel free to contact us.

  • Flood prevention facilities, fire tanks, and flood control ponds
  • others

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Plastic Rainwater Storage and Infiltration Tank "Risrain Stadium II"

Plastic Rainwater Storage and Infiltration Tank "Risrain Stadium II"

Streamlining assembly and transportation work! Protecting urban environments from river flooding and urban water disasters.

"Riserain Stadium II" is a rainwater retention and infiltration tank designed to protect urban environments from river flooding and urban water disasters. It is constructed by manually fitting and stacking plastic components, and by wrapping the formed structure, which has multiple tunnel structures, with waterproof or permeable sheets to create rainwater retention and infiltration tanks. These tanks can be buried underground in parking lots of commercial facilities, as well as under parks and school grounds, allowing for effective use of the surface area. 【Features】 ■ Simplification of assembly and transportation work ■ Improved maintenance and management ■ Environmental consideration ■ Protection of urban environments from river flooding and urban water disasters *For more details, please refer to the PDF materials or feel free to contact us.

  • Flood prevention facilities, fire tanks, and flood control ponds

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"What is a storage tank?" Summary of questions.

"What is a storage tank?" Summary of questions.

I have compiled everyone's questions regarding the storage tank!

A retention tank is a facility that temporarily holds a large amount of water and allows it to flow out gradually through a special outlet. It plays a role in protecting cities from flooding damage caused by heavy rainwater from typhoons and sudden downpours. [Part of the questions] ■ What is the difference between a retention layer and a water storage tank? ■ Can the inside of a retention tank be cleaned? ■ Is it possible to remodel an existing retention tank in a facility? ■ Are retention tanks resistant to earthquakes? *For more details, please refer to the PDF document or feel free to contact us.

  • Rainwater infiltration facilities
  • Rainwater tank
  • Water and sewerage pipe fittings

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Infiltration Trench 'D-Product'

Infiltration Trench 'D-Product'

New feature penetration trench! It is easy to construct and has a narrow excavation width, making it highly economical.

The "D-product" does not require a single-sized crushed stone layer because the permeable concrete part functions as a permeable layer. In addition to permeability, it also has a water retention function due to the permeable concrete. Furthermore, by installing a steel filter to prevent clogging at the pipe opening, maintenance such as debris removal is possible. 【Features】 ■ No single-sized crushed stone layer is needed as the permeable concrete part functions as a permeable layer. ■ It allows rainwater to directly permeate into the soil, eliminating the need for a permeable sheet. ■ Easy to install and has a narrow excavation width, making it cost-effective. ■ In addition to permeability, it also has a water retention function due to the permeable concrete. ■ When combined with a permeable well, it enables safer drainage treatment. *For more details, please refer to the PDF document or feel free to contact us.

  • Drainage material
  • Drainage and ventilation equipment

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Plastic Rainwater Storage Infiltration Tank "Geopool AE-1 Method"

Plastic Rainwater Storage Infiltration Tank "Geopool AE-1 Method"

Efficiently control rainwater in limited space!

The "GeoPool AE-1 Method" utilizes recycled olefin-based plastics (PP and PE), which are subject to the Container and Packaging Recycling Law, as raw materials. It is a rainwater retention and infiltration method that enables resource conservation, effective resource utilization, and efficient flood control. It has sufficient durability and seismic performance (Level 2). Please feel free to contact us if you have any inquiries. 【Features】 ■ Retention rate of 93% ■ Approximately 200 m³ can be assembled in one day ■ Cost reduction of 30-40% ■ Easy inspection and maintenance ■ Two types of tanks can be constructed: retention type and infiltration type *For more details, please download the PDF or feel free to contact us.

  • Earthquake-resistant construction method
  • Special Construction Method
  • Rainwater infiltration facilities

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Disaster Manhole Toilet Lid "E.T.COVER"

Disaster Manhole Toilet Lid "E.T.COVER"

Opening the central cover of the manhole lid at that location will turn it into a toilet!

The "E.T.COVER" is a manhole cover developed to instantly transform into a toilet when opened in the event of a disaster. Its design prevents large openings, eliminating the risk of users falling in. Western-style toilets are popular among the elderly and children, but some people may have reservations about using toilet seats that are touched by many individuals. Additionally, if a Western-style toilet seat is partially damaged, it becomes difficult to use. For this reason, we recommend a "dual preparation" with a manhole cover that can accommodate both Japanese and Western-style toilets. 【Three Essential Elements for Creating a Disaster Toilet Environment】 ■ Specifications for the underground section ■ Specifications for the toilet ■ Surrounding facilities *For more details, please download the PDF or feel free to contact us.

  • Inspection hatches, manhole covers, and ditch covers

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Iron cover for utility duct; iron cover replacement.

Iron cover for utility duct; iron cover replacement.

Steel cover for utility duct - Aging countermeasures" "Steel cover for utility duct - Double locking" "Steel cover for utility duct - Security measures

"Steel Covers for Joint Utility Ducts: Aging Countermeasures" "Steel Covers for Joint Utility Ducts: Double Locking Measures" "Steel Covers for Joint Utility Ducts: Security Measures" "Steel Covers for Joint Utility Ducts: Cover Replacement" Regarding the replacement of steel covers for joint utility ducts, which are said to have a lifespan of 30 years, we discuss the products and methods. ○ Aging Countermeasures, Double Locking Measures 1. Replace both the cover and the receiving frame. 2. Reuse the existing receiving frame and replace only the cover. Since 1986, we have been involved in the design and manufacturing of steel covers, and we can propose various shapes of steel covers.

  • Road facilities
  • Road signs and road accessories
  • Road construction

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Plastic Rainwater Storage Infiltration Tank "Geopool Method"

Plastic Rainwater Storage Infiltration Tank "Geopool Method"

A plastic rainwater storage infiltration tank with domestic top-class strength and a 10-year warranty!

Our company offers the plastic rainwater retention and infiltration tank "Geopool Method." It achieves industry-leading strength with a maximum vertical stress of 479.2 kN/m² (allowable stress 258 kN/m²) and a maximum horizontal stress of 283 kN/m² (allowable stress 152.8 kN/m²) in both vertical and horizontal directions. Additionally, this product, made from "mixed plastic materials," contributes to solving the rapidly emerging waste plastic problem in Japan and helps realize a resource-saving, circular economy/sustainable society. 【Features】 ■ Industry-leading strength ■ Short construction period ■ 10-year warranty ■ Retention rate of 93% *For more details, please download the PDF or contact us.

  • Special Construction Method
  • Rainwater infiltration facilities

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Water disaster prevention reinforced plastic underground storage-infiltration tank "AQUABOX"

Water disaster prevention reinforced plastic underground storage-infiltration tank "AQUABOX"

A rainwater system for storage, infiltration, and recharge facilities that excels in load-bearing performance and can be installed in industrial and commercial areas with heavy vehicle traffic.

It is a modular underground water storage unit made of polypropylene graphene, designed as a permeable water tank and a reservoir for resource recycling. The module is a rectangular prism measuring 75x75x80 cm in height, and they can be stacked, allowing for a maximum depth of 6.3 meters. It is suitable for water storage, storage, and permeable water tanks, with a single module capable of holding 432 liters. The system consists of side wall grids, a top cover, joints, and a manhole. 【Features】 ■ Utilizes an integrated fixing system and high-strength connectors, providing robustness and rigidity. It is designed to support heavy loads for SLW60/HGV* class large vehicles, making it suitable for installation under roads and parking lots. * Schwerlastwagen (German: large truck), Heavy Goods Vehicle with a total weight of 60t, compliant with the old DIN1072 standard. ■ Capable of storing rainwater equivalent to 96% of its volume. ■ Allows for inspection, regular maintenance, and cleaning operations. Patent registered and published. European Patent Registration EP4165255C0 US Patent Publication US20230220658A1

  • Rainwater tank
  • Flood prevention facilities, fire tanks, and flood control ponds
  • Rainwater infiltration facilities

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Manhole toilet

Manhole toilet

Disaster toilets are convenient when paired with storage benches! Introducing our "manhole toilet."

The "Manhole Toilet" is a disaster toilet that can be quickly assembled and installed near a manhole. The set includes a Western-style toilet, a tent set, a hammer, a fastening hardware set, a Western-style mounting base (excluding ET-400U), and an instruction manual. There are small size (φ400) manhole options and standard size (φ600) manhole options, each with a lineup of standard tents and large tents. 【Common Specifications (Partial)】 <Toilet> ■ Main body: Steel (melamine-based baked paint) ■ Toilet seat: Polypropylene and others ■ Chute: Tarpaulin and others *For more details, please refer to the PDF document or feel free to contact us.

  • Disaster prevention supplies
  • Outdoor toilet unit

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Rainwater Retention Infiltration Tank "Risrain Stadium II" [With Construction Examples]

Rainwater Retention Infiltration Tank "Risrain Stadium II" [With Construction Examples]

The tank accommodates precise heights from 0.26m to 3.64m in increments of 0.13m! It is a plastic rainwater storage infiltration tank. Achieve cost reduction!

We would like to introduce "Risrain Stadium II," which we handle. It can accommodate tank heights from 0.26m to 3.64m in increments of 0.13m, and it can also be combined with the current II standard type and S type, allowing for precise height adjustments. Additionally, this main material can be delivered to the site without using pallets, eliminating the need for pallet collection and industrial waste disposal after construction. We are also showcasing actual construction examples! Please download the materials and take a look. 【Features】 ■ Accommodates tank heights from 0.26m to 3.64m in increments of 0.13m ■ The main body material allows for easy manual construction, and the side panel materials can be attached with a single touch ■ Utilizes a communication structure within the tank, enabling cleaning operations with maintenance tools ■ No need for pallet collection and industrial waste disposal after construction ■ Uses recycled materials in part of the material *For more details, please refer to the PDF materials or feel free to contact us.

  • Flood prevention facilities, fire tanks, and flood control ponds

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