中部美化企業 List of Products and Services

The "GI type" is a weep hole that can be easily installed on existing drainage pipes. It prevents underground infiltration from groundwater and spring water. The valve structure is simple, ensuring no failures, and the valve body is made of synthetic rubber, which has excellent heat resistance, cold resistance, and weather resistance. The steel plate inside the rubber valve prevents warping of the valve body and maintains the sealing effect. 【Features】 ○ Easy adhesive installation ○ High heat, cold, and corrosion resistance ○ High pressure resistance ○ High water tightness For more details, please contact us or download the catalog.

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The "GD type and GDL type" weep holes for the base are check valves for drainage methods. They have a simple structure, so there are no failures. Made of synthetic resin, they do not rust and can be used semi-permanently. The steel plate inside the rubber valve prevents warping of the valve body and maintains the water-stopping effect. The valve is inserted after construction, so it is not damaged. *GD type: Comes with a resin screen to protect the rubber valve. 【Features】 ○ High weather resistance and corrosion resistance ○ High pressure resistance ○ High water tightness ○ Easy repair of rubber valves ○ Easy installation For more details, please contact us or download the catalog.

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The Weep Hole "G type, GQF type" can be used on both the side wall and the bottom plate. After the main body is installed, the valve can be added later, making installation easy. The length of the main body (using VP pipe) can be adjusted to match the wall thickness. The socket part of the main body has ribs, which enhances adhesion to concrete and water-stopping performance. The steel plate inside the rubber valve prevents warping of the valve body and maintains water-stopping effectiveness. 【Features】 ○ Can be used for both side wall and bottom plate ○ High weather resistance and corrosion resistance ○ High pressure resistance ○ High water tightness For more details, please contact us or download the catalog.

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Always open type backflow prevention product [Drain Flap Gate] [Always Open Type] Being open most of the time means... ◎ High drainage capacity! ◎ Reduces the risk of debris getting stuck! [Backflow Prevention] ◎ Automatically closes when the external water level exceeds half the height of the door! [Easy to Open and Close with Little Force] ◎ The door body is made of lightweight reinforced plastic "FFU"! ◎ Features a double hinge mechanism for easy opening and closing with minimal effort! [Easy Post-Installation Type] ◎ Can be easily installed with post-installation anchors!

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The "F4 type" and "F5 type" are stainless steel flap gates designed to prevent backflow of external water during floods or high tides. They excel in corrosion resistance and waterproofing, and achieve high pressure resistance by having a spherical surface. The arms are supported at two points, allowing for smooth opening and closing, which enhances water tightness. With minimal protrusions, they effectively prevent debris accumulation. The "F4 type" is wall-mounted (all-anchor type), while the "F5 type" is band-fixed. 【Features】 ○ High corrosion resistance and waterproofing ○ Direct attachment to pipes possible (F5 type only) ○ Allowable water depth: within 3.5m to 5.0m For more details, please contact us or download the catalog.

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The "FU type" insert-type backflow prevention valve (for discharge side) is a backflow prevention valve that can be retrofitted to existing pipes. There have been many incidents of backflow damage in sewage and rainwater pipes, and this product is proposed as a countermeasure. It also effectively functions as an odor prevention valve. It features a lightweight, corrosion-resistant, and watertight structure. 【Features】 ○ Can be installed on existing PVC pipes ○ Lightweight and highly corrosion-resistant ○ Addresses odors as well For more details, please contact us or download the catalog.

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This is a simple flap gate that is ideal for drainage channels and countermeasures against backflow during river flooding. It is an economical and easy-to-install standard product. 【Made of synthetic resin】 ◎ The door body uses synthetic resin, making it lightweight and allowing it to open and close with minimal force. ◎ It does not use rubber, so maintenance is not required for a long time. 【Direct installation on PVC pipes】 ◎ It features a socket type for easy installation by simply inserting the PVC pipe. 【Rich delivery track record】 ◎ It has been used for many years across various regions nationwide. For inquiries or requests for various materials, please feel free to contact us at the following: 　　TEL: 052-444-4634 　　FAX: 052-441-7854 　　Email: web-inq@chububika.co.jp

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The "ET1 type and ET2 type" drainage boxes are made of synthetic resin, making them lightweight and easy to install. They allow for water level adjustment in rice fields. While they are based on a slope of 10%, they can easily adapt to any gradient. The drainage boards are made of synthetic resin. By increasing the size of the drainage boards, it is also possible to prevent slope collapse. They can be easily connected to various pipes with diameters of φ100, φ125, and φ150. The functionality of a rice paddy dam using this product is also under consideration. 【Features】 - Water level adjustment in rice fields is possible with the drainage boards. - Made of synthetic resin, lightweight, and easy to install. - ET1 type: A drainage box primarily for surface drainage. - ET2 type: Capable of back crop drainage and winter drainage. For more details, please contact us or download the catalog.

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The slide gate "CG type" can be designed and manufactured to match civil engineering structures. We also create and provide CAD data for the designed sluice gates for each site. The door body is made of glass fiber reinforced plastic, which prevents corrosion and makes the lifting operation lighter. This also contributes to reducing product costs. The frame material is available in two types: steel (SS400 with silver paint) and stainless steel (SUS304). It is designed to handle only positive water pressure. Rack-type and bevel-type lifting mechanisms can also be manufactured. 【Features】 ○ Lightweight operation ○ Proper water intake adjustment management is possible ○ Capable of manufacturing three-way and four-way water-tight designs ○ Custom design and manufacturing to match civil engineering structures are possible For more details, please contact us or download the catalog.

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The simple lift-up sluice gate, the "CD type" with internal screw mechanism, does not protrude from the frame or the top of the waterway when opened, thus not obstructing passage. The material consists of aluminum alloy for the frame and gate body, and synthetic resin for the door stop. The handle is detachable, preventing unnecessary operation. It is more affordable compared to all-stainless steel gates. 【Features】 ○ Internal screw mechanism ○ Lightweight operation ○ Capable of producing three-way and four-way water-tight designs ○ Easy maintenance and management ○ Custom design and manufacturing to fit civil engineering structures For more details, please contact us or download the catalog.

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The internal screw-type compact gate "CC type" can be designed and manufactured to match civil engineering structures. Since it has an internal screw mechanism, the spindle does not protrude when opened, preventing obstruction to passage. The handle can be detached to prevent unnecessary operation. You can choose between a crank handle and an extended handle. The material is made of stainless steel (SUS304). 【Features】 ○ Internal screw type ○ Simplified structure ○ Capable of producing three-way and four-way watertight seals ○ Easy maintenance and management ○ Custom design and manufacturing to match civil engineering structures For more details, please contact us or download the catalog.

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The simple lifting sluice gate, the simple sluice gate (square type) "CS type," can be designed and manufactured to fit civil engineering structures. There are two material options available: steel (SS400 with water blue coating) and stainless steel (SUS304). It is designed to handle only positive water pressure. Internal screw specifications are also available. We can manufacture rack-type lifting mechanisms and bevel-type lifting mechanisms. 【Features】 - Enables proper management of water intake volume adjustment - Capable of manufacturing three-way and four-way watertight structures - Custom design and manufacturing to fit civil engineering structures For more details, please contact us or download the catalog.

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The "manual sluice gate" is a lightweight, corrosion-resistant gate that is easy to maintain and manage. It has been designed with a structure that enhances water tightness. Due to its synthetic resin material, the operation of the gate involves minimal friction resistance, making it lightweight and easy to use. This gate is designed with a handle that has been changed to a stainless steel chain, considering the scenario where a cover or grating is placed over the sluice gate installed in the waterway. 【Features】 ○ Easy to operate, lightweight, and water-tight structure ○ Allows for proper management of water intake adjustments ○ Available in two types: handle-operated and chain-operated ○ Excellent durability made from synthetic resin ○ No maintenance required For more details, please contact us or download the catalog.

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The "Manual Water Gate Door - Small Diameter Round Type" is lightweight, highly corrosion-resistant, and easy to maintain. It features a structure that enhances water tightness. Made of synthetic resin, the operation of the door has low friction resistance, making it lightweight and easy to use. 【Features】 ○ Easy operation with a lightweight and water-tight structure ○ Allows for proper management of water intake volume ○ Available in two types: handle type and chain type ○ Excellent durability made of synthetic resin ○ No maintenance required For more details, please contact us or download the catalog.

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The "insert type water distribution valve" is a simple water intake valve that can be easily inserted into water intake points (concrete pipes, hume pipes, PVC pipes) for use. The adjustment cap allows for fine-tuning of the water intake volume. By removing this water distribution valve, the water intake volume can also be increased. 【Features】 ○ Easy operation, lightweight, and watertight structure ○ Allows for proper management of water intake volume adjustment ○ Compatible with various types of pipes ○ Excellent durability made of synthetic resin ○ No maintenance required For more details, please contact us or download the catalog.

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The "corner diversion valve" is a diversion valve that can be easily attached to a concrete water inlet for irrigation channels. The water intake can be freely adjusted using an adjustment plate. It is easy to operate, lightweight, corrosion-resistant, and has a watertight structure. 【Features】 ○ Four-way watertight structure ○ Custom dimensions available to fit the site ○ Proper water intake adjustment using a chain ○ Excellent durability made of synthetic resin ○ No maintenance required For more details, please contact us or download the catalog.

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The "mountable water distribution faucet" is an easy-to-operate, lightweight, corrosion-resistant, and watertight structure for simple water extraction. The water extraction amount can be easily adjusted. If the opening and closing of the lid is difficult due to the installation position, please use a separate handle (optional). When connecting to PVC pipes, the use of adhesive is generally unnecessary. 【Features】 ○ Easy operation with a lightweight, watertight structure ○ Allows for proper management of water extraction amount adjustment ○ Excellent durability made of synthetic resin ○ No maintenance required For more details, please contact us or download the catalog.

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The civil engineering materials comprehensive catalog includes a variety of products such as the simple water intake valve "mountable dividing valve" used for irrigation from water channels to individual fields, the "corner drop dividing valve" which can be manufactured to site-specific dimensions with a four-sided water-tight structure, the "insert type dividing valve" that is easy to operate and features a lightweight, water-tight design, the "manual sluice gate" which allows for precise water intake volume adjustment and management, and the "manual simple gate" made with glass fiber reinforced plastic for the gate body, among many others. 【Featured Products】 ○ Mountable dividing valve ○ Corner drop dividing valve ○ Insert type dividing valve ○ Manual sluice gate ○ Weep hole (filters) ○ Simple sluice gate (thru gate, slide gate) ○ Flap gate ○ Water control pipe ○ Rice field drainage products (rice paddy dam) ○ Reservoir valve ○ Splash prevention board (baffle board) and more For more details, please contact us or download the catalog.

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The "Water Shutter Blind" is a waterproof blind that automatically responds to water levels without the need for manual operation. It can be installed on windows, vents, and air ducts, and when the water level rises, the internal float detects the flooding and automatically closes to prevent water ingress. The water-stopping performance is equivalent to JIS standard Ws-4. Please feel free to contact us regarding installation locations. 【Features】 ■ Can be installed on windows, vents, and air ducts ■ Allows ventilation and natural light during normal conditions ■ Maximum height of 1,784mm ■ Unlimited width when connected ■ Water-stopping performance is equivalent to JIS standard Ws-4 *For more details, please refer to the PDF document or feel free to contact us.

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The "Water Shutter Light" is a water stop board (waterproof board) that allows for easy locking of the panel by simply inserting and lowering a one-touch lever. The water stop panel uses a hollow structure aluminum panel for lightweight design. It is easy to install and can be done as a DIY project by the customer. The water stop performance is equivalent to Ws-4. Due to its low water level compatibility, the product price has become more affordable. Please feel free to contact us regarding possible installation locations. 【Features】 ■ New one-touch lock allows for quick and secure assembly ■ Easy to install, and can be done as a DIY project by the customer (we also offer installation services) ■ The panel can be locked in place simply by inserting and lowering the one-touch lever ■ The water stop panel uses a hollow structure aluminum panel for lightweight design *For more details, please refer to the PDF document or feel free to contact us.

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"WATER SHUTTER OS" is a waterproof window that can quickly prevent water from entering the ventilation duct. It features easy operation with just a turn of the handle for effective water stopping. It allows for ventilation and natural light while also contributing to security. It can be installed in both new and existing buildings. Please feel free to contact us regarding installation locations. 【Features】 ■ Measures against flooding damage from heavy rain ■ Quickly prevents water from entering the ventilation duct ■ Simple operation with just a turn of the handle ■ Easy installation, allowing for DIY by customers *For more details, please refer to the PDF document or feel free to contact us.

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NETIS Registration Number: KT-230274-A The "Water Shutter," developed by Chubu Bika Corporation, which has been involved in water stoppage for many years as a floodgate manufacturer, is a removable water barrier (waterproof panel) that is easy to install and can be mounted in any location for flood prevention. This case study collection includes numerous examples, starting with a project where it was installed on the inside of an underground parking garage entrance to prevent rainwater intrusion. Please feel free to download and take a look. [Construction Examples (Excerpt)] ■ Underground Parking Garage Entrance ■ Subway Station Entrance ■ Apartment Building Front Entrance ■ Apartment Building Parking Garage Entrance ■ Swing Door at Apartment Building Front Entrance ■ Automatic Door at Office Entrance *For more details, please refer to the PDF document or feel free to contact us.

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NETIS Registration Number: KT-230274-A The waterproof board/water stop board "Water Shutter" boasts excellent water-stopping capabilities and can be assembled quickly and easily by anyone. *If the width is 5m and the height is 50cm, it can be assembled by one person in about 10 minutes. This waterproof board can withstand impact tests simulating floating debris during flooding, withstanding a weight of 53kg dropped from a height of 1.15m. As a flood prevention product, it has a proven track record not only in residential homes and apartments but also in various sectors such as factories, commercial buildings, schools, hospitals, drainage pumping stations, water pumping stations, electrical equipment (cubicles), subways, and underground parking lots. 【Features of the Waterproof Board "Water Shutter"】 ■ Simple structure… Utilizes a hollow structure aluminum panel, making it very simple and lightweight at 2.8kg per meter. ■ High performance… Achieves high water-stopping capability leveraging years of expertise as a floodgate manufacturer. - Leakage amount per square meter is 0.4 liters per hour. - Corresponds to the highest leakage grade [Ws-6] in [JISA4716]. ■ Excellent workability… The use of an intermediate frame (removable) allows for unlimited adaptation to wide openings. *For more details, please download the PDF document or feel free to contact us.

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NETIS Registration Number: KT-230274-A The "Water Shutter" is a high-performance and easy-to-handle water barrier (waterproof board) that can be assembled by one person in about 10 minutes if the width is 5m and the height is 50cm. It has passed impact tests by colliding a weight of 53kg, simulating driftwood during flooding, from a height of 1.15m. It is widely adopted as a product to prevent flooding in facilities where water should not enter during disasters. Custom products are available for heights over 2m, up to about 3m (not subject to NETIS). 【Features】 - Utilizes a hollow structure aluminum panel. Very simple and weighs only 2.8kg per meter. - Achieves high water resistance by leveraging the know-how accumulated over many years as a floodgate manufacturer. The standard product has a leakage rate of 0.4L per square meter per hour, corresponding to the highest rank of Ws-6 in the JISA4716 leakage rate classification. - The use of an intermediate frame (removable) allows for unlimited width openings. *For more details, please download the PDF document or feel free to contact us.

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NETIS Registration Number: KT-230274-A The "Water Shutter" is high-performance, easy to handle, and can be assembled by one person in about 10 minutes if the width is 5m and the height is 50cm. It is a waterproof board designed to withstand impact tests against floating debris during flooding, with a weight of 53kg dropped from a height of 1.15m. This product is used to prevent flooding in facilities where water should not enter during disasters, and is adopted by factories, commercial buildings, schools, hospitals, drainage pumping stations, water lifting stations, power facilities, subways, underground parking lots, and condominiums. 【Features】 ■【Simple】 Utilizes a hollow structure aluminum panel, making it very simple and lightweight at only 2.8kg per meter. ■【High Performance】 Achieves high water-stopping capability leveraging years of expertise as a floodgate manufacturer, with a leakage rate of 0.4 liters per square meter per hour, corresponding to the highest rank Ws-6 in JISA4716 leakage classification. ■ The use of an intermediate frame (removable) allows for unlimited adaptation to wide openings. For more details, please download the PDF document or feel free to contact us!

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