Technology that enables stable water intake from any location Water intake screen Water collection culvert Ring base screen-Water collection culvert ring base screen

Technology that enables stable water intake from any location Water intake screen Water collection culvert Ring base screen
Nagaoka Co., Ltd.

About This Product

■Nagaoka screen used everywhere・Groundwater is generally of good quality, has little change in water temperature, and has characteristics such as not requiring large-scale water storage or supply facilities for water intake.
・Widely used for domestic water, industrial water, agricultural water, etc.
- With the advent of wire-wound screens based on our proprietary technology, it has become possible to design water wells efficiently.
・In the field of groundwater intake, we have established the technology for Nagaoka-type water collection wells by leveraging our internal technology and know-how.
・Water intake from shallow wells and underground drainage canals can be significantly increased, and water intake can also be restored by repairing existing facilities.
- Screens for deep wells can be designed with opening widths that match the geological strata, and by using a ring-based screen with a high opening ratio and high strength, efficient and stable well drilling is possible.

■Water collection buried conduit ring base screenBuried water collection culverts mainly take in underground river water and free groundwater from below the river bed or from the river bed.

■Water collection underground culvert that realizes large amounts of water intake・Water intake 10,000-200,000m3/day
・Less water sampling loss. Efficient and stable with little water level drop
・Water catchment area is extremely large
・Aperture ratio of 50% or more is possible
・Inflow velocity Very slow flow velocity 1.0cm/sec or less
- Lighter than reinforced concrete, making it easier to work with

■2012 Water intake technology won the Excellence Award at the IWA-PIA World Convention and the Grand Prize at the East Asia Convention.In 2012, in the small project category of the International Water Association's (IWA) Innovative Technology Award System (PIA), the project to regenerate wells with reduced water intake, ``An optimal solution for water shortages using high-efficiency screens,'' was awarded the Honor Award ( (Excellence Award), won the Grand Prize at the East Asia Convention.

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Technology that enables stable water intake from any location Water intake screen Water collection culvert Ring base screen

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Nagaoka Co., Ltd.

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1 Models of Technology that enables stable water intake from any location Water intake screen Water collection culvert Ring base screen

Image	Part Number	Price (excluding tax)	Opening ratio	Inflow velocity	Water intake
	Water collection culvert ring base screen	Available upon quote	50% or more	Flow velocity 1.0cm/sec or less	10,000~200,000m3/day

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Nagaoka Co., Ltd.

Japan

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Technology that enables stable water intake from any location Water intake screen Water collection culvert Ring base screen Nagaoka Co., Ltd.

About This Product

■Nagaoka screen used everywhere

■Water collection buried conduit ring base screen

■Water collection underground culvert that realizes large amounts of water intake

■2012 Water intake technology won the Excellence Award at the IWA-PIA World Convention and the Grand Prize at the East Asia Convention.

1 Models of Technology that enables stable water intake from any location Water intake screen Water collection culvert Ring base screen

Water collection culvert ring base screen

Other products of Nagaoka Co., Ltd.

About Company Handling This Product

Technology that enables stable water intake from any location Water intake screen Water collection culvert Ring base screen
Nagaoka Co., Ltd.