JIS flanges are pipe flanges made in accordance with the Japanese Industrial Standard (JIS), which was developed by the Japanese Standards Association (JSA) and is now maintained by the JISC. This JIS flange standard are Japan’s version of what ANSI or ASME offer in the United States. JIS flanges are widely used in industries throughout Asia and other global markets due to their proven dependability and robust construction. Tesco Steel & Engineering is a leading JIS flanges manufacturer, supplying to various sectors with consistent quality and timely delivery.
JIS flanges are available in wide range of sizes and pressure classes to meet different needs. Sizes range from 1/2″ (15NB) up to 48″ (1200NB), and cover DN10 to DN5000. JIS flange dimensions include types like JIS B2220 2K, 5K, 10K, 16K, 20K, 30K, and 40K flanges. JIS B2220 flanges can handle pressure ratings from Class 150 LBS to 2500 LBS. Common grades include JIS 10K flanges, known for their balanced performance and cost efficiency across varied applications.
Each JIS flange is built using forged steel, heat treated, and precision machined for accuracy. Coating options include anti-rust, oil black paint, zinc plated, or galvanized finishes for better protection. Available types include slip-on flanges, slip-on hub flanges, and blind flanges. We also provide a variety of face types, including raised face (RF), ring-type joint (RTJ), flat face (FF) and male/female face designs. This diverse range has applications in plumbing, shipbuilding, refineries, and mechanical piping systems.
As a reliable JIS flanges supplier, we guarantee high-quality, well-tested products for a variety of project requirements.
