Using stainless steel piping for fire protection systems offers many advantages!
Are you thinking, 'It's impossible because stainless steel piping is too expensive'? By using stainless steel for fire protection piping, you can extend the lifespan of the piping system due to the corrosion resistance characteristic of stainless steel compared to carbon steel. Additionally, the strength of stainless steel allows for thinner piping, enabling space-saving designs. In the case of stainless steel, the weight of the piping can be reduced by about 70% compared to carbon steel, making its strength and space-saving benefits easy to understand. This also brings advantages in reducing on-site labor costs. Benkan Kiko's pipe fittings (Su fittings) are approved for use under fire protection laws and have obtained JIS certification (JIS B 2309). The trusted brand Benkan Kiko, which is used not only for fire protection systems but also for general piping stainless steel, will assist you in converting fire protection piping to stainless steel. In March 2020, the ordinance revising part of the "Ordinance on Water Quality Standards" was promulgated, which revised the amount of hexavalent chromium compounds. Our company has conducted leaching performance tests under the new standards, and our Su fittings meet the revised water quality standards.
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basic information
In recent years, general piping stainless steel pipes (JIS G 3448) and pipe fittings (JIS B 2309) have been adopted for fire extinguishing equipment. According to the Fire Service Act, when using stainless steel piping (such as steel pipes and pipe fittings) for fire extinguishing equipment, JIS standard products are specified, so if there is no JIS certification, various procedures such as type approval from the Fire and Disaster Management Agency are required. Benkan Kiko has obtained JIS certification for Su pipe fittings (JIS B 2309), so they can be used as is without any additional procedures. Su fittings are welded pipe fittings used for connecting general piping stainless steel pipes (JIS G 3448) and are sometimes referred to as thin-walled fittings, as they are relatively thin-walled fittings. The pipe ends are processed with beveling for automatic welding (plain end). In 2009, a new Japanese Industrial Standard (JIS B 2309) was established from the group standard of the Stainless Steel Association (SAS 354), and our company also obtained JIS certification for Su fittings in 2011.
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General piping stainless steel pipes and fittings are used for water supply, hot water supply, chilled and warm water, cooling water, steam return water, and connection water pipes for fire protection equipment, among others. *Only companies that have obtained fire protection certification for pipe end flared fittings can use them for connection water pipes and fire extinguishing piping.*
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From residential water supply and hot water piping to massive pipelines in large-scale plants, piping that supports our daily lives is spread throughout the world. Benkankikoh Co., Ltd. is involved in the manufacturing of welded pipe fittings, which are essential components of this piping. We provide optimal products tailored to the piping environment (design and usage conditions, etc.) and construction situations, not only for general building water supply and hot water piping but also for power plants, gas plants, refineries, oil and chemical plants, shipbuilding, and more, where strict quality standards are required.
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