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  6. Ring rolling process

Ring rolling process

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last updated:May 09, 2025

明和工業
明和工業
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High pressure resistance and draw-in prevention are achieved through uniform ring processing without welding!

The rolling ring processing is a method of expanding a pipe into a ring shape. By performing rolling processing without welding the ring and the pipe, uniform ring processing becomes possible. It is compatible with the piping of connecting water supply pipes made of stainless steel pipes. We produce in our factory and provide high-quality, uniform products. Please feel free to contact us when you need our services. 【Features】 ■ Uniform ring processing ■ Compatible with the piping of connecting water supply pipes made of stainless steel pipes ■ High pressure resistance ■ High resistance to pull-out ■ Stable quality due to processing in our own factory ■ Excellent corrosion resistance and environmentally friendly stainless steel *For more details, please refer to the PDF document or feel free to contact us.

    Piping Materials
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Ring rolling process

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  • Related Link - https://www.meiwajp.com

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basic information

【Scope of Application】 ■ Pipe Type: Stainless steel pipes for general piping (JIS G 3448) ■ Diameter: 75SU to 150SU ■ Maximum Operating Pressure: 2.0MPa ■ Housing: Top Joint B-0 (Hot-dip galvanized / Fire certification number PJ-297)

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【Purpose】 Firefighting piping, etc. For more details, please refer to the PDF document or feel free to contact us.

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Ring rolling process

Ring rolling process

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Stainless steel prefabricated processing pipe

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News about this product(4)

Cold-formed ring processing—demonstrating high pressure resistance and pull-out prevention through uniform ring processing without welding!—for connecting water supply pipes made of stainless steel.

  • Product news

The rolling ring processing is a method of expanding a pipe into a ring shape. By performing rolling processing without welding the ring and the pipe, uniform ring processing becomes possible. It is compatible with the piping of connected water supply pipes made of stainless steel pipes! We produce in our factory and provide high-quality, uniform products. Please feel free to contact us when you need our services. 【Features】 ■ Uniform ring processing ■ Compatible with the piping of connected water supply pipes made of stainless steel ■ High pressure resistance ■ High pull-out resistance ■ Stable quality due to processing in our own factory ■ Excellent corrosion resistance and environmentally friendly stainless steel

Added to bookmarks

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Cold-formed ring processing—demonstrating high pressure resistance and pull-out prevention through uniform ring processing without welding!—for connecting water supply pipes made of stainless steel pipes.

  • Product news

Ring rolling processing is a method of expanding a pipe into a ring shape. By performing the rolling process without welding the ring and the pipe, uniform ring processing becomes possible. It is compatible with piping for connecting water supply pipes made of stainless steel pipes! We produce in our factory and provide high-quality, uniform products. Please feel free to contact us when you need our services. 【Features】 ■ Uniform ring processing ■ Compatible with piping for connecting water supply pipes made of stainless steel pipes ■ High pressure resistance ■ High resistance to pulling ■ Quality is stable as processing is done in our own factory ■ Excellent corrosion resistance and environmentally friendly stainless steel

Added to bookmarks

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Bookmark has been removed

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Free membership registration

Cold-formed ring processing—demonstrating high pressure resistance and pull-out prevention through uniform ring processing without welding!—for connecting water supply pipes made of stainless steel pipes.

  • Product news

Ring rolling processing is a method of expanding a pipe into a ring shape. By performing the rolling process without welding the ring and the pipe, uniform ring processing becomes possible. It is compatible with piping for connected water supply pipes made of stainless steel pipes! We produce in our factory and provide high-quality, uniform products. Please feel free to contact us when you need our services. 【Features】 ■ Uniform ring processing ■ Compatible with piping for connected water supply pipes made of stainless steel pipes ■ High pressure resistance ■ High resistance to pulling ■ Quality is stable as processing is done in our own factory ■ Excellent corrosion resistance and environmentally friendly stainless steel

Added to bookmarks

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Bookmark has been removed

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Roll forming processing - Achieving high pressure resistance and pull-out prevention through uniform ring processing without welding! - For connecting water supply pipes made of stainless steel pipes.

  • Product news

The rolling ring processing is a method of expanding a pipe into a ring shape. By performing rolling processing without welding the ring and the pipe, uniform ring processing becomes possible. It is compatible with piping for connected water supply pipes made of stainless steel pipes! We produce in our factory and provide high-quality, uniform products. Please feel free to contact us when you need our services. 【Features】 ■ Uniform ring processing ■ Compatible with piping for connected water supply pipes made of stainless steel pipes ■ High pressure resistance ■ High resistance to pulling ■ Quality is stable because processing is done in our own factory ■ Made of stainless steel, excellent corrosion resistance, and considerate of the global environment

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明和工業

明和工業

Electricity, Gas and Water Industry

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Meiwa Kogyo Co., Ltd. was established in 1969 as a plumbing company in what is now Niigata City. Currently, we have transformed into a company that provides various products and services related to gas and water infrastructure, delivering innovative products such as the freeze-proof rapid air valve "Airis Neo" and the temporary piping rental service "Repix." Our ideal "monozukuri" (manufacturing) means pursuing originality, simplicity, and high performance to the utmost limit. "We want to deliver unique and excellent products and services to everyone around the world." This is the greatest driving force that propels our company forward and represents our purpose as a business. We will continue our thorough "monozukuri" and provide high-quality products and services that satisfy everyone.

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