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Available in stock: 304 and 316 stainless steel flat welding flanges

2026-01-21View Original

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A flat welding flange is a type of flange that is connected to containers or pipes using fillet welds. It belongs to the arbitrary flange type. During design, depending on the degree of integration between the flange ring and the straight tube section, verification is carried out either as for a integral flange or as for a loose flange. Flange rings come in two types: those with a neck and those without a neck. Compared to wafer weld flanges, butt weld flanges have a simpler structure and require less material, but they lack the stiffness and sealing performance of butt weld flanges. Flat welding flanges are widely used for connecting medium and low-pressure vessels and pipelines. Plate-type butt-welded steel pipe flanges, necked butt-welded steel pipe flanges. Flat welding flanges are suitable for pipeline systems with relatively low pressure levels, where there are no severe pressure fluctuations, vibrations, or shocks. The advantage of face-welded flanges is that they are easier to align during welding and assembly, and they are relatively inexpensive, which has led to their widespread use. For product specifications DN10-DN2000, butt-welded flanges cannot be welded directly to fittings such as tees and elbows; a straight pipe section is required. Contact: Manager Wang, 15076801731

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