トーテツプラス List of Products and Services

- Equipped with a check valve - Maintenanceable - No metal used - Internal structure of the valve body

- The structure is designed to minimize direct exposure of the valve body to ultraviolet rays, resulting in excellent durability. - The upper filter prevents the intrusion of sediment and protects the valve body. - Maintenance and valve body replacement are possible, and no metal is used.

- The valve ball is designed to operate flexibly and sensitively without the principle of buoyancy and a fulcrum. - Maintenance is possible - the valve ball can be replaced and internal cleaning is feasible. - It has a large drainage capacity, so there is no need for multiple installations. - Combining the side drain pipe with a management chamber enables more advanced maintenance! → For details, please contact us.

- Simple drainage device for waterways, retaining walls, and drainage holes - Due to its three-dimensional structure, it is less likely to clog and can be easily installed by simply inserting it into the drainage hole - Effective when retrofitting weep holes

We would like to introduce our underdrain, the "P-100S." It has a structure that allows for easy installation in existing facilities. It can contribute to solving various challenges at construction sites, including those for consultants and general contractors. To use it, you need to chisel the bottom of the waterway, insert the product into the riser pipe, set the rubber packing, and secure the underdrain body with anchor bolts. 【Features】 ■ Retrofit type ■ Can be used when there is a riser pipe and no valve seat in the base plate *For more details, please download the PDF or feel free to contact us.

We would like to introduce our underdrain, the "P-100." It has a structure that allows for easy installation on existing equipment. It can be used by a wide range of users, including government and local authorities. Please feel free to contact us if you have any inquiries. 【Features】 ■ Retrofit type ■ Can be used if a valve seat remains on the waterway base ■ Can be used if there are only concrete holes on the waterway base *For more details, please download the PDF or feel free to contact us.

The "YS-150" is an underdrainer that starts operating with a head difference of 20mm. It has an extremely large drainage capacity among base plates, making it suitable for use in large waterways and dams. By removing the cover, internal cleaning and maintenance or replacement of the valve body can be easily performed. It is made of materials with excellent corrosion resistance, ensuring outstanding durability. Please feel free to contact us when you need assistance. 【Features】 ■ Extremely large drainage capacity among base plates ■ Suitable for large waterways, retention basins, dams, etc. ■ High drainage capacity ■ Starts operating with a head difference of 20mm ■ Internal cleaning and maintenance or replacement of the valve body can be performed by removing the cover *For more details, please download the PDF or feel free to contact us.

The "F-100" is an underdrainer that can be installed completely flat on the base plate. It has a large drainage capacity and starts operating with a head difference of 20mm. By removing the cover, internal cleaning and valve body repair or replacement can be performed. It is made from materials with excellent corrosion resistance, ensuring outstanding durability. Please feel free to contact us when you need assistance. 【Features】 ■ Can be installed completely flat on the base plate ■ Large drainage capacity ■ Starts operating with a head difference of 20mm ■ Internal cleaning and valve body repair or replacement can be performed by removing the cover *For more details, please download the PDF or feel free to contact us.