トーテツプラス List of Products and Services

・With check valve ・Maintenance possible ・No metal used ・Internal structure of the valve body

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

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- 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.

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- The valve ball is designed to operate flexibly and sensitively without the principle of buoyancy and a fulcrum. - Maintenance-friendly - the valve ball can be replaced and the interior can be cleaned. - Large drainage capacity, eliminating the need for multiple installations. - Combining side drain pipes with management pits enables more advanced maintenance! → For details, please contact us.

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Maintenance possible - After installation on site, the canopy can be removed, allowing for internal cleaning and repair or replacement of the valve body (YS-100 is not maintenanceable).

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- Increase the drainage effect from the drainage hole - Prevent the outflow of backfill soil and reduce the likelihood of clogging - Prevent damage from rising water channels and frozen ground - Easy to install

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- 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

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The "YS50" is a float-type weep hole that ensures a strong and reliable seal on the valve seat due to the buoyancy of a special elastic float, eliminating concerns about water leakage. During dry conditions, the float completely detaches from the valve seat, allowing groundwater to be freely discharged. Since the valve seat is oriented downward, there is no risk of mud settling and hardening near the valve seat. Additionally, the operating components are built into the drainage pipe, preventing damage from impacts caused by flowing materials and theft due to tampering. 【Features】 ■ Reliable valve operation ■ No negative pressure during groundwater discharge ■ No mud deposition or adhesion ■ No risk of damage or theft ■ The elasticity and strength of the float and valve seat are stable with respect to temperature *For more details, please refer to the PDF document or feel free to contact us.

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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 retrofitted. It discharges water from handball courts, utility ducts, and information boxes, preventing groundwater intrusion. 【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 materials or feel free to contact us.

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Sandbag Station ■ Protects the city from disasters such as flooding under floors and above floors caused by heavy rain. ■ Also useful for preventing slips during snowfall. ■ Available for use in various local governments. Garbage Station ■ Does not trap odors. ■ Stores securely when not in use, and provides cooperative support when in use.

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The "Bunryu Type I" removes leaf litter and other debris that flows down with rainwater using a strainer at the top of the main body, and further removes fine dust inside the main body through diversion. 【Features】 <Bunryu Type I> ■ Fine dust is removed through diversion inside the main body ■ No need for regular maintenance ■ The water diversion rate can be adjusted arbitrarily using a "knob" ■ Compact size does not require a special location for installation

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【Features】 ■ Complete removal effect of initial rainwater and dust ■ Maintenance is easy as the management box can be placed at a low position on the ground ■ Compatible with almost all downspouts from small to large diameters * Obtained certification for rainwater retention and infiltration products from the Rainwater Retention and Infiltration Technology Association

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【Features】 ■Above-ground cylindrical tank ■No water retention area from which rainwater can be drained from the bottom of the tank, preventing sedimentation of mud and other materials ■Capacity can be increased by connecting two or more tank units ■We recommend using it in conjunction with our dust removal equipment.

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【Features】 ■ Tanks can be connected ■ The positions of the water level gauge, air vent, inlet, and overflow can be specified as desired ■ When used in connection, there will be one water level gauge ■ By using in conjunction with Type I and Type II diversion systems and pipe purification filters, higher quality rainwater utilization is possible

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