Weld Neck Flange

Weld Neck Flange

Innovative products and predominant quality enable Huaxi to be bigger, stronger and better on the way to be leadership. Currently, circular foundry parts, flanges and pipe fittings which are produced by Huaxi have been widely applied to wind power generation, nuclear power generation, ship, pressure vessels, petrochemical, machinery manufacturing, aviation and aerospace and military.

Jiangyin Huaxi Flange Co., Ltd., a subordinate enterprise of Jiangsu Huaxi Group Co., Ltd., is the enterprise of flanges and pipe fittings in China.Founded in 1984, the factory specializes in the production of outlet flanges.In 1990, the factory established Jiangyin Huaxi Flange Co., Ltd., with Singapore Towa Hardware Private Co., Ltd. In 2005, the company implemented the technology reform extension project, purchased 3z600t oil hydraulic presses, 5m ring mills, 8t and 5t electro-hydraulic hammers,2-5m vertical lathes, 5m NC drilling machines, heat treatment furnaces and other ring-type forgings production equipment, and realized strategic adjustment to the core products of the enterprise. At present, the company has a floor area of 150,000 square meters, a plant area of 80,000 square meters, and more than 1,000 people including 115 high/middle-level technical personnel. The company annually produces 35,000 tons of ring-type forgings and 25,000 tons of finished flanges and pipe fittings made from stainless steel carbon steel alloy steel, dual-phase steel and many other materials, with over 10,000 specifications and varieties. The products have been exported to 28 countries and areas, such as Japan, America, France, Germany, Italy, etc. With self-run import & export right, the company is capable of directly taking foreign customers' orders, producing standard flanges and pipe fittings in accordance with JIS, ANSI, EN, DIN, BS and GB domestic and international standards, and producing ring-type forgings, non-standard flanges and pipe fittings according to customers* drawings or samples.
The company boasts its perfect quality guarantee system and a whole set of modern physicochemical inspection equipment. In recent years, the company successively passed the certifications of ISO9001 and German TUV Rhine IS09001&PED, and got the authorization certificate of China Classification Society, the manufacture license of special equipment (pressure pipeline), the Class-A export enterprise assessment
certificate of AQSIQ, the BV factory approval certificate, the member certificate of China Forging Association, the safety registration certificate of steel forging products for pressure vessels and the member certificate of Wind Power Machinery Branch Association.

Product Parameter

Butt welding flange is a kind of pipe fitting. It refers to the flange with neck, which has a round pipe and is connected with the pipe by butt welding. Butt welding flanges are not deformed, well sealed, widely used, with corresponding rigid and elastic requirements and reasonable butt welding thinning transition.

The Process Flow

Production Equipment

Qualification Certificate