flange 4 inch jis 10k

Understanding the 4-Inch JIS 10K Flange Specifications and Applications

Flanges are critical components in piping systems, serving as connections between various segments of a pipeline. One of the common types of flanges used in industrial applications is the 4-inch JIS 10K flange. This particular flange adheres to the Japanese Industrial Standards (JIS), which is a set of standards established for the manufacturing and measurement of products in Japan. Let's delve deeper into the specifications and applications of the 4-inch JIS 10K flange.

The designation 4-inch refers to the nominal diameter of the flange, indicating that it is designed to connect piping systems with a nominal size of four inches. The JIS portion signifies that the flange is manufactured according to Japanese standards, ensuring a uniform specification that can facilitate international trade and compatibility.

The 10K in the designation refers to the flange's pressure rating, specifically 10 kilograms per square centimeter (kg/cm²), which translates to approximately 1.0 MPa (megapascal) or about 145 psi (pounds per square inch). This pressure rating indicates that the flange is suitable for use in systems where the internal fluids can exert significant pressure, making it ideal for various applications that require durability and reliability.

Material Composition

The 4-inch JIS 10K flange is commonly constructed from materials such as carbon steel, stainless steel, and occasionally, alloys suited for specific conditions. Carbon steel flanges are widely used due to their strength and cost-effectiveness. On the other hand, stainless steel flanges are favored for applications involving corrosive substances or environments, as they offer superior resistance to rust and corrosion.

Design Features

The design of the JIS 10K flange typically includes flat or raised faces, which play a crucial role in sealing between two connected piping segments. Gaskets are often used in conjunction with these flanges to ensure a tight seal and prevent leaks in the system. The bolt holes around the circumference of the flange allow for secure fastening, ensuring that the connection can withstand the pressure and maintain integrity over time.

Applications

The 4-inch JIS 10K flange finds application across various industries including oil and gas, water treatment, chemical processing, and power generation. In the oil and gas sector, these flanges are instrumental in connecting pipelines that transport crude oil, natural gas, or refined products. Their robust construction ensures they can handle the high pressures and varying temperatures typical in such environments.

In water treatment facilities, these flanges are used in the connection of piping that circulates water through filtration systems. Similarly, in chemical processing plants, the 4-inch JIS 10K flanges are vital for safe transport and processing of various chemicals, where the integrity of the piping system is paramount.

Conclusion

In conclusion, the 4-inch JIS 10K flange is a crucial component in many industrial systems, designed to provide reliable connections in high-pressure environments. Its construction material, pressure rating, and adherence to Japanese Industrial Standards make it a preferred choice among engineers and contractors worldwide. Understanding the specifications and applications of this flange can aid in making informed decisions when designing or upgrading piping systems across various industries. By ensuring compatibility and reliability, the 4-inch JIS 10K flange helps maintain operational efficiency and safety in critical industrial processes.