New Century Forging Co., Ltd
86-351-5270488
April 05, 2021
ORIFICE WELDING NECK flange A105N (RF)
Weld neck pipe flanges attach to the pipe by welding the pipe to the neck of the pipe flange. This allows for the transfer of stress from the weld neck pipe flanges to the pipe itself. This also reduces high stress concentration at the base of the hub of the weld neck pipe flanges. Weld neck pipe flanges are often used for high pressure applications.
High-neck flanges: Compared with butt-welded flanges, the welding workload is large, the welding rod consumption is high, and it cannot withstand high temperature and pressure, repeated bending and temperature fluctuations, but it is more convenient to install on site and can omit the process of welding seam flaw detection. More popular.
Manufacturing standard: HG/T20615-2009, ASME B 16.5
Connection method: flange nut, bolt connection
Production process: professional overall forging, forging manufacturing, etc.
Processing method: high-precision CNC lathe turning, ordinary lathe fine turning, argon arc welding and other processing
Applications: Boiler and pressure vessel, petroleum, chemical, shipbuilding, pharmaceutical, metallurgy, machinery, stamping elbow food and other industries
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