The JIS10K Flange is a slip on flange that follows the standard made by JIS, the Japanese Industrial Standard. Specifically, the JIS10K Flange that is used is made to the JIS B2220 standard. It is often used as a joint between two pipes or valves by using two pairs of flanges with a gasket to prevent leakage.
One of the advantages to use flanges in the system is for ease of maintenance due to its flexibility in reconnecting and disconnecting between the pipes or valves with the flanges.
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JIS Flange Product Information
A flange is a general term used for items that connect pipes, valves, pumps and other equipment in order to form a piping system. One of the best parts of using a flange is that they give very easy access for cleaning, inspection or modification of the system. A JIS10K Flange is a slip on flange. This is different from other types of flanges, such as a welding neck flange or a lap joint flange. The JIS10K Flange is a slip on flange that follows the standard made by JIS, the Japanese Industrial Standard. Specifically, the JIS10K Flange that is used is made to the JIS B2220 standard. The word 10K comes from the fact that the JIS10K Flange has been made to fulfill the rigours of 10kg/cm² of pressure. This is all in accordance with the JIS B2220 standard created by the Japanese Industrial Standard.
The JIS10K Flange comes with multiple different sizes. This means that it is perfect for usage in many different situations, from small systems up to very large ones. The size range that is offered ranges from 3/8 inches all the way up to 8 inches. The JIS10K Flanges were made up to code with the JIS B2220 design standards, and are able to work in pressures up to the standards set by JIS. These flanges are made in China. Furthermore, the materials used to make up the flanges are top notch which ensures the flange's longevity and strength.
The steel that was used in order to make these flanges were SS400 steel and stainless steel, grade 316. The SS400 steel is a hot rolled steel composed of Carbon, Silicon, Sulphur (0.050 percent max), Phosphorus (0.050 percent max), Iron, and Manganese. Meanwhile, Stainless Steel SS316 is composed of Carbon (0.08 percent maxi), Phosphorus (0.045 percent max), Sulphur (0.030 percent max), Silicon (0.75 percent max), Chromium (16.00 percent max), Nitrogen (10.00 percent), Manganese (2.00 percent max), and Molybdenum (2.00 percent).
Flanges are mostly used for connecting pipes or to attach a pipe to another component. Blind flange is used in order to close the end of a pipe, so that the flow will stop at the point of blind flange installation. As installation only requires screwing two flanges together and the pipes that are connected using flanges can be disassembled easily as well. Most commonly found in plumbing or piping, flanges are used in things such as a sink in the house, in the piping system for showers and also for toilets as well. In the manufacturing industry, flanges are also commonly used in piping systems that have considerable amounts of pressure.
Slip-On flanges are the most popular pipe flanges used for pipe-to-borehole insertion. The slip on flange is a convenient option to weld on the neck. It is able to alter the length of the corresponding pipe. This space allows individuals working on the flange access to connect easily.
This flange design is more common in lower pressure assemblies and is less utilized when a high stress service requires a superior connection to the piping line assembly. This is because a slip on flange will accept a pipe with a fillet weld connection. On the other hand, a weld neck flange has a reinforced hub at the case that produces a weld beveled end connection directly to the butt weld pipe end connection. The tapered hub provides better service in mechanical stress environments. When compared to the cost of a standard flange, slip on flanges have a cheaper material cost.
Differences between a Flat Face and Raised Face Flanges:
The major differences between flat face and raised face flanges is the raised area that surrounds the pipe bore, whereas the flat face flange does not have. A flat face flange cannot be connected with a raised face flange as it would result in leaking.
Flat face flanges have a surface area that is the same height thickness as the flange's bolting line. The entire surface is flat, and a soft type complete face gasket is utilized to connect two flat face flanges. The gasket is usually composed of a non-metallic material like Viton or EPDM. The objective of adopting a flat face flange is to avoid the bending moment imposed on the flange when the bolts are torqued. Some flange materials are readily damaged while flat face flanges can solve this problem.
A blind flange is a circular plate with a bolt hole and a solid surface that is used to seal off a pipeline or to create the end flow. They are widely utilized in the petrochemical, public services, pipe engineering, and water works industries. The blind flange is placed between two open flanges to prevent liquid flow via a pipeline.
Blind flange is typically essential when undertaking pipeline maintenance or repairs as the flow in the pipeline must be stopped for maintenance, yet the nearest valve may be kilometers away from the repair site. As a result, installing a blind flange on a pipeline is far more cost effective.
Installation of flanges:
The general way to install flanges is to put a pipe through, and to close it with a pair of male and female flanges, with a gasket in the middle to prevent leakage and provide better sealing. This is called a flanged joint. There are a few disadvantages of using a flange however. One of them is that it needs to be in a straight line, as well as a flanged pipe system needs more space than the pipe radius to work, which can limit the places where it is effective. These disadvantages however, are heavily outweighed by the benefits. Flanges can be put into the system with advance welding with piping, which easily saves costs and time. Putting a flange joint pipe together also means that the system itself is more flexible, and can easily be reconfigured or moved without the need to unweld a few parts. Considering the amounts of pressure that the flanges must get through on a daily basis, the risk of leaking is apparent. This risk however is then minimized by the JIS10K Flange, as it has been made to follow the JIS B2220 regulations, and is able to easily withstand 10kg/cm² worth of pressure.
For more information regarding flanges, please refer to en.wikipedia.org/wiki/Flange.
- Weld neck flange
- Slip on flange
- Socket weld flange
- Lap joint flange
- Threaded flange
- Blind flange
Flat face flanges have a touch surface that is the same height as the flange's bolting line.
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