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  6. 50mm Dedicated Continuous Water Valve 'Sgate MN (Mini)'

50mm Dedicated Continuous Water Valve 'Sgate MN (Mini)'

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EsGate MN for VP / for SGP

last updated:Feb 06, 2026

水研
水研
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A new constant water valve specifically for a 50mm diameter has been introduced for steel pipes! With the insertion of a soft seal valve body, it can achieve a water stop with just hand tightening, allowing for smooth repeated opening and closing operations.

A simple and smart design that consolidates the experience and know-how gained from the EM continuous water valve method "S-Gate." By drilling the existing pipe in a groove shape and inserting a soft seal valve body, water can be stopped with a torque similar to hand-tightening, allowing for smooth repeated opening and closing operations. The compact main body, which emphasizes functionality, and the small drilling machine designed for 100V power supply minimize the load on the pipe, enabling safe and speedy construction.

    Railway ConstructionPipeline Construction
エスゲートMN.jpg

50mm Dedicated Continuous Water Valve 'Sgate MN (Mini)'

エスゲートMN.jpg
エスゲートMN.jpg
  • Related Link - https://www.suiken.jp/category/ems/
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The "Esugate MN (Mini)" is a continuous water valve method specifically designed for a nominal diameter of 50mm. In addition to being compatible with PVC pipes, it has now been made suitable for steel pipes as well. The ultra-compact design of the main body and the perforating machine eliminates the need for complex processes. It allows for the safe and speedy installation of continuous water valves. The "Esugate MN" uses a soft seal valve body, enabling operation with a torque level similar to hand tightening, and it offers excellent water-stopping capability.

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Install the valve without stopping the water! 'EM Continuous Water Valve Method'

Install the valve without stopping the water! 'EM Continuous Water Valve Method'

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水研

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Building materials, supplies and fixtures manufacturers

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Since our establishment in 1970, we have been a manufacturer of special fittings dedicated to protecting lifelines, introducing numerous innovative products to the market. The ductile iron ball-shaped flexible expansion joint "Flexibender," released in 1980, demonstrated its seismic performance during the Great Hanshin-Awaji Earthquake and the Great East Japan Earthquake. The EM continuous water supply method "S-Gate" series, launched in 1999, has steadily achieved results in various countries around the world, including the United States and South Korea. We are committed to product development with free thinking, unconstrained by conventional wisdom, and contributing to the safety of lifelines.

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