Corrugated type stainless steel piping (single piping / double piping)

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last updated：Jun 06, 2018

Ｐ＆Ｄジャパン

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Examples of biogas fermentation tank systems are also presented. High safety measures for preventing leaks in gas and chemical transfer.

At P&D Japan, we handle "corrugated stainless steel piping" characterized by high safety. 1. Single piping - The temperature of the hot water passing through the piping (above 40 degrees) is transmitted through thermal conduction → fermentation progresses. - The piping is spiral-shaped → it has a larger surface area and transmits heat easily. - Despite being made of steel, it is flexible. ⇒ In addition to contributing to the progress of fermentation, it is suitable for fermentation tanks and is utilized in "effective heating systems for biogas fermentation tanks." (Case studies are summarized in the PDF. Please download it.) 2. Double piping - Complies with the Water Pollution Control Act for the transport of toxic liquids and gases, such as harmful chemicals. - Can be delivered in the required lengths, eliminating the need for fittings. - Utilizes the gap between the primary and secondary pipes for leak detection and prevention. - High-spec design that can be utilized in facilities where operational downtime due to external factors must be absolutely avoided. ⇒ Used in data centers and other applications. ■ Adoption results Teijin DuPont Film Co., Ltd., NEXCO, and others. *For more details, please download the PDF.

Related Link - http://www.pdjapan.co.jp/products.php?sm=104

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basic information

■Purpose of Using Double Piping The main reason for using double piping is to utilize the gap between the primary and secondary pipes to prevent (detect) leaks. In recent years, leakage issues have arisen in various settings, becoming a social problem, which has significantly changed the perspective on the environment. ■Leak Prevention (Detection) System Air or nitrogen is pressurized and filled between the primary and secondary pipes (sleeve pipes), and based on this pressure state, the leak detection device can identify whether the level is decreasing (whether it is a natural reduction or an abnormal occurrence). In the event of an anomaly (leak), an alarm sounds, enabling early detection of leaks. This system allows for constant monitoring, ensuring safe facility operations. Additionally, it can also detect leaks in double-walled tanks (underground tanks) and above-ground tanks. This leak detection system comes in both pressurized (pressure) and vacuum (depressurized) types, and various systems can be proposed based on the installation conditions.