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  6. 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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last updated:Jun 25, 2025

水研
水研
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A new method using end mill cutting tools for continuous water construction!

The "EM Continuous Water Method" is a new technique that uses end mill cutting tools for continuous water construction. Conventional methods used a circular blade called a "hole saw," which could only drill pipes in a limited round shape. The "EM Continuous Water Method" allows for drilling by moving the end mill blade at a "point," enabling the cutting of pipes in free shapes and sizes. *We are currently offering a free comprehensive catalog that explains the "EM Continuous Water Valve Method"! Please download for more details. 【Features of the EM Continuous Water Valve Method "S-Gate"】 ■ Compact design! ■ Excellent water stopping performance! ■ Smooth repeated opening and closing operations! ■ Chips are forcibly discharged outside the pipe! *For more details, please contact us or download the catalog to view.

    Railway ConstructionPipeline ConstructionWater Supply Facilities
EM不断水バルブ工法_イプロス表紙用.jpg

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

EM不断水バルブ工法_イプロス表紙用.jpg
EM不断水バルブ工法_イプロス表紙用.jpg 3.GIF エスゲートEXカット-資料用-小-210129登録.png 2.GIF 4.GIF 6.GIF 7.GIF 8.GIF 9.GIF 10.GIF
  • Related Link - https://www.suiken.jp/category/ems/
  • Special site - Product/service details - https://pr.www.ipros.com/suiken/product/

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basic information

What is the "S-Gate" continuous water valve method? The "S-Gate" is a continuous water valve method that uses an end mill to create a groove-like perforation in existing pipes with an EM drilling machine, allowing for the insertion of a soft seal valve body into the opening. This method enables the installation of a continuous water valve while water is still flowing, eliminating the need for complex processes. Additionally, compared to conventional methods, the equipment is compact, eliminating the need for large heavy machinery, allowing for safe and speedy construction. The use of a soft seal valve body achieves water stoppage with low torque, and repeated opening and closing operations are smooth.

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Applications/Examples of results

The end mill constant water valve method has a cumulative construction record of over 80,000 locations both domestically and internationally! For more details, please contact us.

Detailed information

  • 3.GIF

    "ES Gate MN" for steel pipes and PVC pipes, nominal diameter 50mm.

  • エスゲートEXカット-資料用-小-210129登録.png

    Ductile cast iron pipes and steel pipes 'S-Gate EX' Nominal diameter 75 to 300 mm

  • 2.GIF

    SGate VP for PVC pipes Nominal diameter 75 to 150 mm

  • 4.GIF

    S-gate perforation and water stop image

  • 6.GIF

    S-gate construction (Yamaguchi Prefecture) Ductile cast iron pipe 500mm

  • 7.GIF

    S-gate construction (Shizuoka Prefecture) Steel pipe 200mm

  • 8.GIF

    Sgate construction (USA) Ductile iron pipe 24” (600mm)

  • 9.GIF

    Sgate construction (South Korea) Ductile iron pipe 350mm

  • 10.GIF

    S-gate construction (Malaysia) Steel pipe 500mm

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

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The "EM Continuous Water Method" is a groundbreaking technique that uses end mill cutting tools for continuous water construction. Conventional methods used a circular blade called a "hole saw," which could only perforate pipes in a limited round shape. The "EM Continuous Water Method" allows for perforation by moving the end mill tool at a "point," enabling the cutting of pipes in free shapes and sizes. *We are currently offering a comprehensive catalog that explains the "EM Continuous Water Valve Method" for free! Please download for more details. 【Features of the EM Continuous Water Valve Method "S-Gate"】 ■ Compact design! ■ Excellent water stop performance! ■ Smooth repeated opening and closing operations! ■ Chips are forcibly discharged outside the pipe!

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水研

水研

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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