中部美化企業 List of Products and Services

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.

• Sanitary fixtures

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.

• Hoist/Crane

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.

• Sanitary fixtures

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.

• Sanitary fixtures

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.

• Sanitary fixtures

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.

• Sanitary fixtures

【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.

• Hoist/Crane

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.

• Sanitary fixtures

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.

• Concrete sheet piles and piles

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.

• Sanitary fixtures

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.

• Sanitary fixtures

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.

• Sanitary fixtures

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.

• Steel construction

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.

• Piping and insulation

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.

• Dam construction

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.

• Sanitary fixtures

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.

• Unit Products

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.

• Sanitary fixtures

"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.

• Unit Products

The "Q7A type" wave filter smoothly drains groundwater and is an easy-to-install planar drainage material that stabilizes structures such as concrete retaining walls and waterways. The core material has a rugged shape resembling crushed stone, providing a large collection area and exhibiting high backside drainage performance. It has a large collection area and drains quickly. *It has drainage performance comparable to conventional crushed stone collection layers. 【Features】 ○ High backside drainage performance ○ Easy installation ○ High compressive strength ○ Compatible with slopes For more details, please contact us or download the catalog.

• Unit Products

The "QI type" insert filter (for PVC pipes) is an aftermarket filter material that can be installed on existing PVC drainage pipes. It excels in drainage effectiveness and prevents the outflow of soil and sand from concrete retaining wall drainage pipes during heavy rainfall. 【Features】 ○ Easy installation by simply applying adhesive to the main body and inserting it into the pipe's inner diameter ○ Uses synthetic fiber non-woven fabric in the filter section to prevent suction ○ Excellent pressure resistance For more details, please contact us or download the catalog.

• Unit Products

The Slab Drain "R Type" can be used as a roof drain for rooftops, preventing the inflow of floating debris and clogging at drainage outlets. Made of synthetic resin, it boasts excellent corrosion resistance, and its arch-shaped top provides a structure that is strong against external pressure. Additionally, its design makes it difficult for leaves and plastic to adhere. With a simple installation that only requires insertion, it can be attached to various types of pipes, including PVC pipes, poly pipes, and steel pipes. 【Features】 ○ High pressure resistance ○ Compatible with various pipe types ○ Easy installation ○ High corrosion resistance For more details, please contact us or download the catalog.

• Piping Equipment

The PVC water stop wall "Type S1" is a measure to prevent slope collapse. When draining water from rice paddies using PVC or poly pipes from the drainage box (corner drain), water may run around the pipe at the crossing points of the ditch, which can lead to slope collapse. To prevent this, a water stop wall is installed in the middle section of the PVC (or poly) pipe to prevent slope collapse. This method allows for the installation of the PVC water stop wall without cutting the pipe, applicable to both new and existing pipes. 【Features】 ○ Two types available for new and existing pipes ○ Can be installed without cutting the pipe ○ Excellent corrosion resistance made of synthetic resin For more details, please contact us or download the catalog.

• Unit Products

The "TA type" anti-splash board is a compact drop prevention product that replaces the inner and outer auxiliary pipes used in sewer construction specifications. It is lightweight for easy installation with anchor fixing. Its structure minimally obstructs the internal cross-section, making post-installation management easy. Made of synthetic resin (H-PVC), it is easy to cut on-site and demonstrates excellent corrosion resistance. 【Features】 ○ Easy inspection of inflow pipes ○ Lightweight and easy to install ○ Easy dimension adjustment ○ High corrosion resistance For more details, please contact us or download the catalog.

• Unit Products

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.

• Unit Products

"Useries" offers a variety of screens for waste removal tailored to different applications and site conditions. Starting with the "UA type," which features a clean slope for easy waste collection, there is also the "UB type," which removes waste through the rotation of the main body, the "UC type," which is anchored to the wall of a drainage ditch, and the "UD type," which can be easily inserted into existing PVC or flue pipes. All types are simple screens that are easy to install. 【Features】 ○ High dust collection efficiency ○ Easy waste removal For more details, please contact us or download the catalog.

• Sanitary fixtures

The "V-type" surface drainage outlet is used to smoothly manage the drainage of surfaces such as concrete elevated structures, bridges, and pedestrian deck slabs during rainfall. It is easy to install and economical. Additionally, it has excellent load-bearing capacity and is corrosion-resistant. It helps prevent debris accumulation and ensures pedestrian safety (preventing tripping hazards for children and those in high heels). It can be manufactured to adapt to the thickness of the deck slab. 【Features】 ○ Length adjustable according to the thickness of the deck slab ○ High load-bearing capacity For more details, please contact us or download the catalog.

• Drainage and water removal

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.

• Concrete wall