Discharge water from hand holes, cable ducts, and information boxes! Prevents the intrusion of groundwater.
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.
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basic information
【Material and Performance (Excerpt)】 ＜DV-50N＞ ■Valve casing material: ABS resin ■Valve body material: Silicone rubber ■Valve body dimensions: φ59.5×H60 ＜DV-75＞ ■External dimensions: DV-75 (φ112) length 120mm or more ■Valve ball material: NBR rubber + phenolic foam ■Valve ball dimensions: DV-75 (φ60) *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
catalog（1）
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CAD data（2）
| Model number | overview | File |
|---|---|---|
| 【Drainage Backflow Prevention Valve】DV50N / DV75 |
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| 【Drainage Backflow Prevention Valve】DV50N / DV75 |
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Company information
Tōtetsu Co., Ltd., a long-established manufacturing company since the 8th year of the Taisho era 【Partial incorporation on September 1, 2024】➡ Tōtetsu Plus has started Tōtetsu Plus handles the following products: 1) Equipment for waterways and retaining walls that prevents floating destruction of waterway structures has a history of about 50 years. (Float valve type weep holes, side drainers, under drainers, pad filters, TM filters, etc.) 2) Comprehensive manufacturer of rainwater storage and utilization Aiming for the full-scale utilization of rainwater (Proposing higher quality rainwater utilization with initial rainwater cut-off products. Handling above-ground tanks and storage tanks.) 3) Backflow prevention valves for drainage Discharges water from hand holes, joint utility trenches, and information boxes, preventing groundwater intrusion. 4) The original sandbag station Leave it to us for sandbag stations. Our sandbag station is foldable, making it easy to move and transport. We meet various needs with different sizes and colors. 5) Basket mats / futon baskets New futon baskets as exterior items <Gabion Exterior Retona>
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