It is possible to manufacture special angle elbows other than 90° and 45°.
Elbows are specified in the JIS standard as types of shapes such as 90° elbows, 45° elbows, and 180° elbows. In cases where the design of the piping cannot accommodate those angles, the JIS standard recognizes "special angle elbows," which can be manufactured at special angles as needed for piping design. Elbows manufactured at special intermediate angles such as 60°, 30°, and 135° are referred to as "special angle (end angle) elbows." At Benkan Kiko, we respond meticulously to customer requests and support the custom manufacturing of end angle elbows. **Benefits of adopting Benkan Kiko's end angle elbows:** - If elbows are processed on-site during piping installation, the product warranty for those fittings will be voided, so it is safer to manufacture them at the required angles in advance. - Processing elbows to specific angles or bevel ends on-site requires equipment and expertise, so using pre-processed products is safer. - Products can be manufactured with dimensional accuracy based on JIS standards. - We can issue manufacturing drawings and delivery drawings that include detailed dimensions of the products as per your requests.
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In JIS B 2312 and JIS B 2313, Appendix JB specifies special angle elbows, while JIS B 2311 specifies special shapes of pipe fittings in Appendix A. The special angle θE(L) and θE(S) is defined as an angle less than 180° excluding 45°, 90°, and 180°, and is determined by the orderer's specifications. Examples of symbols for special angle elbows are as follows: Example 1: For a long elbow at 89.4°: 89.4E(L) Example 2: For a short elbow at 66°22'15": 66°22'15"E(S) Example 3: For a long elbow at 22.5°: 22.5E(L) At Benkan Kiko, we can process angles not only in degrees but also in minutes and seconds according to customer requests. Product markings and product inspection certificates (mill sheets) will also be displayed using the above symbols. Contact Information: Project Sales Department, Eastern Japan Sales Section: 03-3777-1521 Project Sales Department, Western Japan Sales Section: 06-6482-1851
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As examples of our delivery destinations, we have a wide range of manufacturing achievements in fields such as gas pipelines, oil pipelines, power plants, oil and chemical plants, shipbuilding, and air conditioning equipment, etc. To meet diverse demands, we can manufacture using a variety of materials, including carbon steel, alloy steel, stainless steel, high-strength steel, as well as duplex stainless steel, super stainless steel, aluminum alloys, nickel alloys, and titanium alloys.
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From residential water supply and hot water piping to massive pipelines in large-scale plants, piping that supports our daily lives is spread throughout the world. Benkan Kiko Co., Ltd. is involved in the manufacturing of welded pipe fittings, which are essential components of this piping. We provide optimal products tailored to the piping environment (design and usage conditions, etc.) and construction situations, not only for general building water supply and hot water piping but also for power plants, gas plants, refineries, oil and chemical plants, shipbuilding, and more, where strict quality standards are required.