トーテツプラス List of Products and Services

The "DV-50N/DV-75" is a backflow prevention valve for drainage that is resistant to functional failures and has excellent durability. It has a large drainage capacity, outstanding shut-off performance, and is easy to maintain. It can be adjusted in length and can also be installed retroactively. It discharges water from handball courts, utility ducts, and information boxes, preventing the intrusion of groundwater. 【Features】 ■ Simple structure ■ Resistant to functional failures and has excellent durability ■ Large drainage capacity and outstanding shut-off performance ■ Easy maintenance ■ Length adjustable ■ Can be retrofitted *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce our water drainage backflow prevention valve, the 'DV-50N'. It can be installed retroactively and allows for length adjustments, featuring a simple structure and excellent durability. Due to its natural permeation type, it may not provide sufficient effectiveness in areas where the groundwater level does not consistently remain below the bottom. Please feel free to contact us when you need assistance. 【Features】 ■ Retroactive installation possible ■ Length adjustable ■ Simple structure with excellent durability *For more details, please download the PDF or feel free to contact us.

The "DV-75" is a simple and durable backflow prevention valve for draining water. It can be adjusted in length to meet on-site needs. It is capable of discharging water from hand holes, electrical conduit trenches, and information boxes. Due to its natural permeable design, it may not be effective in areas where the groundwater level does not consistently remain below the bottom. 【Features】 - Discharges water from hand holes, electrical conduit trenches, and information boxes - High drainage capacity - Can be retrofitted - Length adjustable - Simple structure with excellent durability *For more details, please download the PDF or feel free to contact us.