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  1. Home
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  5. Piping materials (copper pipes, cast iron pipes)
  6. Special eccentric flange "SIF"

Special eccentric flange "SIF"

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last updated:May 22, 2026

水研
水研
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A special flange that allows size conversion with space-saving design.

This is a reducing flange that can connect pipes with different diameters in a short face-to-face distance. It is ideal for piping layouts in limited spaces and for downsizing during the replacement of various equipment such as air valves and flow meters.

    Piping materials (copper pipes, cast iron pipes)Water and sewerage pipe fittings
SIFカタログ_260201K_表紙.jpg

Special eccentric flange "SIF"

SIFカタログ_260201K_表紙.jpg
SIFカタログ_260201K_表紙.jpg
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basic information

■Nominal diameter: 75×100–200, 100×150–200, 150×200 For more details, please download the catalog or feel free to contact us.

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Applications/Examples of results

It is ideal for downsizing during piping layout in limited spaces and when replacing various equipment such as air valves and flow meters.

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Special eccentric flange "SIF"

Special eccentric flange "SIF"

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Ductile cast iron and steel expansion joint "Expansion Jointer"

Ductile cast iron and steel expansion joint "Expansion Jointer"

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Cast Iron Flange Adapter (High-Performance Loose Flange Short Pipe) 'TIF Adapter'

Cast Iron Flange Adapter (High-Performance Loose Flange Short Pipe) 'TIF Adapter'

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Safe with anti-extraction! An evolved form of freezing method: 'Anti-extraction Freezing Method'

Safe with anti-extraction! An evolved form of freezing method: 'Anti-extraction Freezing Method'

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Company information

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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The related categories of Piping materials (copper pipes, cast iron pipes)

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