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Featured products
Products/Services（25items）
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Install the valve without stopping the water! 'EM Continuous Water Valve Method'
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Continuous Water Valve for Polyethylene Pipes "KATANA Valve"
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Ductile cast iron ball-shaped flexible expansion pipe "Flex Bender"
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Dissimilar pipe joint (with stop) "All Fits Joint"
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Special eccentric flange "SIF"
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Non-recoil seismic isolation joint for equipment piping - 'Menshin Bender'
news list
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Notice of the 2026 Nagasaki Waterworks Exhibition
We will be exhibiting at the "2026 Nagasaki Water Supply Exhibition," which will be held for three days from October 21 (Wednesday) to October 23 (Friday), 2026. We apologize for the inconvenience during your busy schedule, but we would be grateful if you could take this opportunity to visit us. *Please note that prior registration is required for attendance. We appreciate your understanding and encourage you to register and visit us. Details: Date and Time: - October 21 (Wednesday) 9:30 AM – 5:00 PM - October 22 (Thursday) 9:00 AM – 5:00 PM - October 23 (Friday) 9:00 AM – 1:00 PM (tentative) Venue: Dejima Messe Nagasaki Address: 4-1 Oue-machi, Nagasaki City, Nagasaki Prefecture 850-0058 Our Booth: Booth No. 4 Exhibition Content: Polyethylene pipe constant water valve "KATANA Valve" and EM constant water valve construction method "S-Gate EX," etc. End.
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Invitation to the Sewage Exhibition '26 Tokyo
We will be exhibiting at the "Sewage Expo '26 Tokyo" as follows. We sincerely apologize for the inconvenience during your busy schedule, but we hope you will take this opportunity to visit the Water Research booth. Details: Start Date and Time: August 4, 2026 (Tuesday) to August 7, 2026 (Friday) 10:00 AM to 5:00 PM (Opening on the first day at 10:30 AM / Closing on the last day at 4:00 PM) Exhibition Venue: Tokyo Big Sight 3-11-1 Ariake, Koto-ku, Tokyo 135-0063 Our Booth: No. 1-202 Exhibited Items: EM Continuous Water Valve Method "S-Gate EX" Ductile Iron Ball-Type Flexible Expansion Pipe "Flexi Bender" PVC Flexible Expansion Pipe Joint "Drainage VP Bender," etc. End.
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Install the valve without stopping the water! "EM Continuous Water Valve Method"
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!
AboutSUIKEN Co., LTD
We contribute to the safety of lifelines with original technology.
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.