Long welding neck flanges are often used in CLASS series pipe flanges. When pipe flanges with a nominal size less than or equal to DN50 are used with the cylinder, the use of long high neck flanges can also avoid the wall thickness of the flange neck end. Thinness causes difficulty in welding.
Shanxi Haokun flanges specializes in the production of AS carbon steel long welding neck flanges:
carbon steel(CS) AS 2129 long welding neck TABLE A
carbon steel(CS) AS 2129 long welding neck TABLE D
carbon steel(CS) AS 2129 long welding neck TABLE E
carbon steel(CS) AS 2129 long welding neck TABLE F
carbon steel(CS) AS 2129 long welding neck TABLE H
carbon steel(CS) AS 2129 long welding neck TABLE J
carbon steel(CS) AS 2129 long welding neck TABLE K
carbon steel(CS) AS 2129 long welding neck TABLE R
carbon steel(CS) AS 2129 long welding neck TABLE S
carbon steel(CS) AS 2129 long welding neck TABLE T
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