中部美化企業 List of Products and Services

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

The "Easy Gate (Round and Square)" is a simple lifting sluice gate used for irrigation from water channels to various fields. Since it has an internal screw mechanism, the spindle does not protrude from the frame or the top of the water channel when opened, preventing obstruction to passage. The frame is made of stainless steel, while the gate body and stop are made of synthetic resin. The handle is detachable, preventing unnecessary operation. It is more affordable compared to all-stainless gates. 【Features】 ○ Internal screw mechanism ○ Lightweight gate body allows for easy operation ○ Can be manufactured for three-way and four-way water tightness ○ Simple maintenance management For more details, please contact us or download the catalog.

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 manufacturing three-way and four-way watertight designs ○ Easy maintenance and management ○ Custom design and manufacturing to match civil engineering structures For more details, please contact us or download the catalog.

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 operations. It is more affordable compared to all-stainless steel gates. 【Features】 ○ Internal screw mechanism ○ Lightweight operation ○ Capable of producing three-way and four-way watertight designs ○ Easy maintenance and management ○ Custom design and manufacturing to fit civil engineering structures For more details, please contact us or download the catalog.

The slide gate "CG type" can be designed and manufactured to match civil engineering structures. We also produce and provide CAD data for the designed sluice gates specific to each site. The gate 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 coating) and stainless steel (SUS304). It only supports positive water pressure direction. Rack-type and bevel-type lifting machine specifications can also be manufactured. 【Features】 ○ Lightweight operation ○ Proper water intake volume adjustment and management possible ○ Capable of producing three-way and four-way watertight designs ○ Custom design and manufacturing to match civil engineering structures For more details, please contact us or download the catalog.

The Armco-type gate "CA type" is a round-shaped simple sluice gate. The door body and stop are made of cast iron (FC) or stainless steel casting (SCS13). It is easy to install as it is secured with all anchors. We offer two types of frame materials: steel (SS400, painted in light blue) and stainless steel (SUS304). It only supports positive water pressure direction. *If you are considering reverse water pressure, please consult us. 【Features】 ○ Enables proper management of water intake adjustment ○ Easy installation with all anchors ○ Custom design and manufacturing to fit civil engineering structures ○ Compatible with internal screw type, rack type, and bevel type For more details, please contact us or download the catalog.

The internal screw-type simple gate "CT type" is a simple sluice gate with an internal screw structure. The frame is made of stainless steel, and the gate body is made of glass fiber reinforced plastic, making it lightweight and highly resistant to corrosion. The handle is detachable, preventing unnecessary operations. Due to its internal screw design, the spindle does not protrude upwards when opened. It is designed to handle only positive water pressure. 【Features】 ○ Internal screw type ○ Lightweight operation ○ Allows for proper management of water intake adjustment ○ Can be manufactured for three-way and four-way water tightness ○ Customizable For more details, please contact us or download the catalog.

The "CY type" grating with a rotating lid allows for easy and safe gate operation without the need to open and close heavy gratings by installing a spindle with a non-discharging internal screw type gate in the grating of the chamber. Since it uses high-tensile steel, the thickness of the grating itself can be reduced, leading to weight reduction and cost savings. 【Features】 - Easy gate operation - Lid with a locking function for vehicle passage - High-tensile steel - Made with "high-tensile steel" that excels in strength For more details, please contact us or download the catalog.

The stainless steel shatterproof plate "TAS·TBS type" is a compact drop prevention product that replaces inner and outer auxiliary pipes used in sewage and rainwater drainage pipe construction. It is available with an inspection hole. It is an anchor-fixed type, making installation easy. 【Features】 ○ Easy inspection of inflow pipes ○ Simple installation ○ High durability For more details, please contact us or download the catalog.

The "mountable water distribution faucet" is an easy-to-operate, lightweight, corrosion-resistant, and watertight structure for simple water extraction. It allows for easy adjustment of the water extraction volume. 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 volume adjustment ○ Excellent durability made of synthetic resin ○ No maintenance required For more details, please contact us or download the catalog.

The "corner water distribution valve" is a water distribution valve that can be easily attached to a concrete water outlet for irrigation channels. The amount of 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.

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). The amount of water intake can be finely adjusted with an adjustment cap. By removing this water distribution valve, the water intake amount can also be increased. 【Features】 ○ Easy to operate, lightweight, and water-tight structure ○ Allows for proper management of water intake amount adjustments ○ 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.

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 handle. 【Features】 ○ Easy to operate with a lightweight, water-tight structure ○ Allows for proper management of water intake volume ○ 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.

The "manual sluice gate" is a lightweight, corrosion-resistant gate that is easy to maintain and operate. It features a structure that enhances water tightness. Made of synthetic resin, the operation of the gate involves minimal friction resistance, making it lightweight and easy to handle. This gate is designed with a stainless steel chain handle, considering scenarios where a cover or grating is placed over the sluice gate installed in a 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.

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 gradient 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 ○ Lightweight and easy to install due to synthetic resin construction ○ 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.

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 is made of synthetic resin, making it lightweight and easy 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 Track Record】 ◎ It has been used for many years across the country. 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

The "FU type" insert backflow prevention valve (for discharge side) is an insert-type check valve that can be retrofitted to existing pipes. There have been many instances of backflow damage in sewer and rainwater pipes, and this product is proposed as a countermeasure. It is also effective 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.

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 water resistance, and achieve high pressure resistance by having a spherical surface. The two-point support arm allows for smooth opening and closing, enhancing 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 and water resistance ○ Direct attachment to pipes possible (F5 type only) ○ Allowable water depth: 3.5m to 5.0m For more details, please contact us or download the catalog.

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"! ◎ Double hinge mechanism allows for easy opening and closing with minimal effort! [Easy Post-Installation Type] ◎ Can be easily installed with post-installation anchors!

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

The weep holes for the base, "GD type and GDL type," are check valves for drainage methods. Their simple structure means 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 does not get 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 ○ Simple installation For more details, please contact us or download the catalog.

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 malfunctions, 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.

The "GF type" is a screen-equipped weep hole used to reduce uplift pressure in rivers, retention basins, and waterways. It can also be used in the bottom section where sediment tends to accumulate, making it ideal for waterways and retention basins. The three-layer separation filter structure minimizes the impact of sediment and debris. It can be selectively used depending on the site conditions. 【Features】 ○ Easy cleaning of waterways ○ Ideal for waterways and retention basins ○ Three-layer separation filter For more details, please contact us or download the catalog.

The "CH type" is a simple and easy-to-use lightweight sluice gate. The frame is made of stainless steel, and the gate body is constructed from glass fiber reinforced plastic, making it lightweight and highly corrosion-resistant. By using a round handle type stopper, the lifting amount of the gate body can be freely adjusted. The water-tight structure is of the three-way water-tight type. It is finished with colors and materials that consider the landscape. 【Features】 ○ Lightweight and corrosion-resistant structure ○ Adjustable water intake ○ Landscape-oriented design For more details, please contact us or download the catalog.

The Simple Gate "CMK-CMB type" is lightweight, highly corrosion-resistant, and easy to maintain. The water-stopping section is made of synthetic resin, ensuring high and stable water tightness. Additionally, synthetic resin is used for both the door body and sliding surface, resulting in low friction resistance and allowing for easy opening and closing operations. 【Features】 ○ Lightweight and durable ○ Allows for proper adjustment and management of water intake ○ Two types of operation methods available: handle type and chain type ○ The position of the mounting anchor plate can be freely adjusted up and down For more details, please contact us or download the catalog.

The Wedge Gate "CR1-A type" is a stainless steel simple hand-operated water gate. It features a one-touch operation where you simply pull the handle straight up and tilt it to the side. The gate can be fixed at any desired position, allowing for proper management of water intake volume. The main body is made of stainless steel, providing excellent durability. 【Features】 ○ Made of stainless steel for high durability ○ Easy installation with all anchors ○ The gate can be fixed at any desired position ○ There is also a detachable handle model available (CR1-C type) ○ A model that can withstand reverse water pressure is also available (CR1G type) For more details, please contact us or download the catalog.

The "CW type" check gate is a simple and easy-to-use, corrosion-resistant, lightweight sluice gate. Made of synthetic resin, the operation of the door has low friction resistance, making it easy to maintain. The door body is in a two-stage design, allowing for water level adjustment. By using a round handle stopper, the lifting amount of the door body can be freely adjusted. 【Features】 - The two upper and lower door bodies can be adjusted to set the desired water level. - The handle can be lifted and fixed at any position using the round handle. For more details, please contact us or download the catalog.

The "outlet plug" is a simple plug used for water intake and drainage. It is designed for reverse water pressure. We offer a lineup of products including the "rotary valve (D1 type)" and "reverse gate (D3 type)" for use when converting irrigation channels into roads or when it is necessary to install a water flow control device at the outlet due to surrounding conditions, as well as the "insert gate (D2 type)" for use when drawing water from the irrigation channel and placing it in the middle of the water conveyance pipe. 【Features】 ○ Capable of stopping the flow of water from the pipe ○ Easy to operate, lightweight, and water-tight structure ○ Allows for proper management of water intake flow adjustment For more details, please contact us or download the catalog.

The "drainage tube" is a drainage regulator used to remove surface water from each plot of farmland into the drainage channel. The water level on the field can be adjusted by operating the inner cylinder up and down. After drainage or during the winter period (off-season), it removes rainwater through the winter drainage holes of the outer cylinder, allowing for dry field conditions. Additionally, when combined with an optional orifice cap, it exhibits a paddy dam effect. 【Features】 ○ Adjustable water level ○ ER type: Two height options available depending on the position of the drainage pipe ○ EA type: Free setting of winter drainage position For more details, please contact us or download the catalog.

【High Workability】 ◎ The door stop and door body can be disassembled, reducing the burden of welding work! ◎ The installation of the door body can be done with standard tools! * A post-installation specification with embedded anchor fixation can also be designed. 【High Water Stopping and Opening/Closing Performance】 ◎ Adopting our unique double hinge mechanism for smooth opening and closing! ◎ Improved water stopping performance with water stopping rubber and smooth movement! 【Conventional Design Tailored to the Site】 ◎ Wide compatibility with various sizes and design water depths! * Please feel free to consult us regarding design conditions.

【Low Cost】 ◎ Achieve low cost with a simple structure! 【Rich Variations】 ◎ Available in three types: stainless steel, aluminum, and iron! ◎ You can choose between round and square shapes! ◎ Designs without door stops are also possible! ◎ Custom sizes can be designed to fit your site! (Up to width x height 1000mm) 【High Performance】 ◎ Double hinge design allows for smooth opening and closing! ◎ High water tightness ensured by using waterproof rubber! 【Easy Retrofit】 ◎ Simple installation with the included drive anchors!

The harbor flap gate (round and square type) "F8 type" prevents external water from backflowing during storm surges. It adopts a double hinge design, achieving high water tightness and smooth opening and closing. The door and stops are made of SUS323L (equivalent to SUS316L), which is particularly resistant to seawater. The allowable wave height is equivalent to 6.0m (equivalent to a water depth of 30m). It comes with all-anchor theft prevention nuts (at two locations). 【Features】 ○ Double hinge design ○ Resistant to seawater ○ Easy installation For more details, please contact us or download the catalog.

The flap gate (band type) "F9 model" prevents backflow of external water during floods or when fully submerged. It pursues a simple structure, achieving lightweight and significant economic efficiency improvements. The arm is supported at two points, allowing for smooth opening and closing, enhancing water tightness. It has minimal protrusions to prevent debris accumulation as much as possible. Installation involves wrapping and securing it around existing pipes with a band (some types of pipes may not be suitable for installation). 【Features】 ○ Direct installation on pipes possible (VU/VP/HP/SUS pipes/SGP pipes, etc.) ○ High corrosion resistance ○ Aluminum version has a baked-on paint finish For more details, please contact us or download the catalog.

The "GH1 type and GH2 type" driven weep holes are products that are primarily installed in existing waterways to address issues such as cracks caused by infiltrating water from the rear or concerns about uplift. Since the valve can be installed after the main construction is completed, there is no worry about damage to the valve body during installation. The steel plate inside the rubber valve prevents warping of the valve body and maintains its sealing effectiveness. 【Features】 ○ Can be installed after construction ○ No damage to the valve body during installation ○ Easy installation For more details, please contact us or download the catalog.

The "GP1 type" weep hole for sheets is a check valve that is installed on waterproof sheets. It consists of a stainless steel cover, a retaining ring, a rubber valve, and a screw-type body made of synthetic resin, making it robust and free from failures due to its simple structure. Its compact and lightweight design allows for direct and easy installation on the sheet. By using it in conjunction with drain pipes or air vent pipes, additional safety can be achieved. Furthermore, the weep hole for sheets ensures the safety of the embankment while significantly reducing construction effort and costs. 【Features】 - Simple structure with no failures - Can be installed on waterproof sheets up to 4mm thick - Slim design, with minimal visibility of irregularities after installation on pond waterproof sheets - Can be easily installed on waterproof sheets without the use of special tools - Made of synthetic resin and stainless steel, allowing for semi-permanent use For more details, please contact us or download the catalog.

The "GS type" weep hole for steel sheet piles is a specialized backflow prevention valve designed to prevent disasters caused by the phenomenon of moisture increase in the rear area. The steel sheet pile method used for waterway revetments and other structures in soft ground areas has seen increased utilization in recent years. However, the weep holes or drain pipes used in this method are still not commonly employed, and the reduction of back pressure is not being addressed. By treating the water in the rear area, back pressure can be alleviated, leading to greater ground stability. 【Features】 - Easily attachable from the front of the steel sheet pile - Reduction of back pressure can be achieved through water treatment in the rear area For more details, please contact us or download the catalog.

The tunnel weep hole "GT type" (without valve) is integrated with a drainage pipe filter with an inner diameter of 26mm and an outer diameter of 32mm, using PVC pipe VP-25 (L = lining length). This product is inserted through a pre-drilled wall hole of approximately 50mm, sealed for water tightness with an O-ring, and the surface is finished with sealing material. 【Features】 ○ Option to choose with or without valve ○ Adjustable length For more details, please contact us or download the catalog.

The "JA type" one-touch joint allows for easy connection to PVC pipes after installation by pre-setting the one-touch joint within the concrete wall, ensuring good water-tightness and enabling drainage slope adjustments. It requires no secondary treatment with mortar or similar materials, making installation simple as it only requires insertion, saving time and effort. The unique shape of the rubber packing ensures water-tightness and facilitates the slope adjustment of the PVC pipe. 【Features】 ○ Compatible with various concrete thicknesses ○ Ensures slope adjustment for PVC pipes (up to approximately 14°) ○ Simple installation by just inserting (no mortar needed) For more details, please contact us or download the catalog.

The Dowell Bar Cap "JD type" is used as a sheath pipe for reinforcing bars at the expansion and contraction joint section of concrete structures in the transverse direction. It can be processed to the specified dimensions. 【Features】 ○ Adjustable length ○ Made of PVC ○ Comes with TS cap For more details, please contact us or download the catalog.

In the construction of underground drainage systems, various types of water shields have been developed based on the site conditions and objectives in different regions. The "K1 type" water shield pipe features a lightweight, corrosion-resistant, and watertight structure. It is used when the height difference between the drainage channel and the field surface is relatively small, and the drainage outlet is deep. 【Features】 ○ Smooth water flow ○ Safe for grass cutting ○ Freely adjustable underground water level For more details, please contact us or download the catalog.

The "K3 type" water valve is used for draining or collecting surface water and groundwater in agricultural fields during rainfall, due to the large-scale consolidation of farmland. The water valve was developed with particular consideration for use in shallow drainage ditches that are easily accessible. The outlet area of the main body can be adjusted infinitely by a band-shaped outer cylinder. 【Features】 ○ Lightweight, corrosion-resistant, and watertight structure ○ Infinitely adjustable ○ Easy connection to the collection pipe due to the socket structure For more details, please contact us or download the catalog.

The "N type" is used for water intake from agricultural ponds, reservoirs, and adjustment ponds. Its simple structure allows for easy opening and closing without any failures. Made of bronze, it can be used semi-permanently. Anchor installation is also possible (except for N-250). 【Features】 ○ High corrosion resistance ○ Easy installation For more details, please contact us or download the catalog.

The "O-type" hole cover camouflages the drainage pipe holes in retaining walls, maintaining the landscape while preserving the functionality of the drainage pipes. Even if sediment accumulates inside the pipe, it is difficult for grass to grow, and since it is made of synthetic resin, it does not rust and can be used semi-permanently. Additionally, it can be installed even after construction. It can be easily attached with adhesive. 【Features】 ○ Prevents pranks by keeping stones, empty cans, and bottles out ○ Can be retrofitted and attached with adhesive ○ Excellent corrosion resistance due to synthetic resin ○ Opening area: more than 1/3 of the pipe's cross-sectional area For more details, please contact us or download the catalog.

The pit valve (with filter) "PA type" allows infiltrated water from pits (such as handholes for information boxes or joint trenches) buried underground to permeate into the ground, preventing the intrusion of groundwater and soil. The length of the main body can be adjusted to match the thickness of the pit wall. The socket part of the main body has ribs, which enhances its compatibility with concrete and its water-stopping ability. 【Features】 ○ Prevents backflow into the pit even when groundwater levels are high ○ Prevents the intrusion of soil and other materials by using a filter ○ Can be capped with the included water-stopping cap (only for PA-75) ○ Can be retrofitted and is compatible with both new and existing installations For more details, please contact us or download the catalog.

"Qseries" is a filter for drainage pipes used in concrete retaining walls, block masonry, and stone masonry. It prevents clogging and effectively maintains drainage performance. 【Features】 - Made from synthetic resin and synthetic fibers - Can be retrofitted - Simply inserted without adhesive - High compressive strength - Excellent shape against soil pressure For more details, please contact us or download the catalog.