High open area ratio! A deep well screen that provides stable water collection performance.
The NAGAOKA SCREEN for deep wells features a structure that combines wedge wire with a triangular cross-section and support rods, allowing for smooth flow of liquids and gases. Screens with a high opening ratio gently reduce the collection flow rate, suppress clogging, and minimize well loss, resulting in stable collection performance. Additionally, the required pressure resistance increases with greater installation depth. 【Features of the Well Screen】 ■ High opening ratio (35-20%) ■ High finishing effect with V-shaped openings ■ Proven coiled V-slot screen ■ Strength: Good balance For more details, please refer to the catalog or feel free to contact us.
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【Lineup and Specifications】 ■Model Number: WW-10 to WW-60 (10 types) ■Nominal Diameter: 100A (4B) to 600A (24B) ■Screen Diameter [mm] ・Outer Diameter: 115 to 614 (CSZn), 114 to 613 (SUS) ・Inner Diameter: 101 to 589 ■Joint End Pipe Outer Diameter [mm]: 114.3 to 609.6 ■Joint Length (Standard) Upper × Lower [mm]: 400 × 100 to 350 × 150 ■Approximate Weight [kg/m]: 8 to 73 (CSZn), 7 to 72 (SUS) ■Opening Rate (%): Slot Size [mm] ・0.5: 17 to 11 ・1.0: 30 to 20 ・1.5: 39 to 27 ・2.0: 46 to 33 ・2.5: 52 to 38 ・3.0: 56 to 42 *For more details, please refer to the catalog or feel free to contact us.
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Nagaoka Corporation introduces various "Nagaoka Screens" that enable simple and economical water extraction in many developing countries and regions where securing water for daily use is a challenge, providing water treatment facilities that supply safe and sustainable water quality suitable for drinking. In the energy sector, our "Internal" process equipment contributes to CO2 reduction effects in oil refining and petrochemical industries, aiding in the provision of clean energy.
