jis b2220 10k flange dimensions

Understanding JIS B 2220 10K Flange Dimensions A Comprehensive Overview

Flanges are essential components in piping systems as they facilitate the connection between pipes, valves, pumps, and other equipment. Among the various types of flanges available in the market, the JIS B 2220 10K flange holds a significant place, especially in Japanese industrial applications. This article delves into the details of the JIS B 2220 10K flange dimensions, its specifications, applications, and advantages.

What is JIS B 2220?

JIS B 2220 is a Japanese Industrial Standard (JIS) that specifies the requirements for steel flanges, applicable in various industrial sectors including oil and gas, power generation, and chemical processing. The number 10K refers to the flange's pressure rating, indicating its capability of withstanding high pressures. Specifically, a 10K flange is designed to handle operating conditions up to a maximum of 10 kg/cm² (approximately 985 kPa or 143 psi).

Dimensions of JIS B 2220 10K Flanges

The dimensions of JIS B 2220 10K flanges vary depending on the nominal diameter, often denoted as DN (Deutsches Norm). Here are the standard dimensions for some common sizes of JIS B 2220 10K flanges

- DN 10 (1/2 inch) - Outer Diameter 95 mm - Bolt Hole Diameter 12 mm - Number of Bolt Holes 4

- DN 15 (3/4 inch) - Outer Diameter 105 mm - Bolt Hole Diameter 12 mm - Number of Bolt Holes 4

- DN 20 (1 inch) - Outer Diameter 115 mm - Bolt Hole Diameter 12 mm - Number of Bolt Holes 4

- DN 25 (1 1/4 inch) - Outer Diameter 130 mm - Bolt Hole Diameter 12 mm - Number of Bolt Holes 4

- DN 40 (1 1/2 inch) - Outer Diameter 150 mm - Bolt Hole Diameter 15 mm - Number of Bolt Holes 4

- DN 50 (2 inch) - Outer Diameter 160 mm - Bolt Hole Diameter 15 mm - Number of Bolt Holes 4

- DN 100 (4 inch) - Outer Diameter 250 mm - Bolt Hole Diameter 20 mm - Number of Bolt Holes 8

- DN 150 (6 inch) - Outer Diameter 300 mm - Bolt Hole Diameter 20 mm - Number of Bolt Holes 8

- DN 200 (8 inch) - Outer Diameter 400 mm - Bolt Hole Diameter 24 mm - Number of Bolt Holes 8

These dimensions represent a sample, and the specific measurements may vary slightly depending on the manufacturer. The standard is designed to ensure interchangeability and compatibility of flanges in various applications.

JIS B 2220 10K flanges are widely utilized in the construction of pipelines in different industries. Their robust design allows for high-pressure applications, making them suitable for

- Water and wastewater treatment plants - Oil and gas drilling and distribution - Chemical processing plants - Power generation facilities

The durability and resilience of JIS B 2220 flanges against corrosive substances make them integral in environments with harsh operating conditions.

Advantages of JIS B 2220 10K Flanges

1. Standardization Being part of the JIS, these flanges are manufactured according to strict industry standards, ensuring consistent quality and performance. 2. Compatibility The standardized dimensions allow these flanges to fit seamlessly with other piping components, simplifying installation and repair processes.

3. High Pressure Resistance Designed for high-pressure applications, the 10K flange can efficiently manage extreme conditions without compromising integrity.

4. Corrosion Resistance Made from high-quality materials, these flanges offer resistance to corrosive substances, which prolongs their lifespan and reduces maintenance needs.

Conclusion

The JIS B 2220 10K flanges play a crucial role in the efficient functioning of industrial piping systems. Their standardized dimensions, high-pressure capabilities, and versatile applications make them a preferred choice in various sectors. Understanding the specifications and advantages of these flanges can significantly contribute to the successful planning and implementation of piping systems. As industries continue to evolve, the reliance on robust and standardized components like the JIS B 2220 10K flange is likely to grow even further.