Welding neck flange is also called tapered hub flange and high hub flange. As there are two important designs in this.
The first is the regular type that is only used with pipes. the second one is a long type that is not suitable for pipes and this type is only used in process plants. circle fitting along with a rim is called welding neck flange. flanges are welded to a pipe.
There are holes in the rim that permission the flange to be stick with other flanges with the help of bolts. these kinds of flames are used and helpful in harsh environments with more stress.
Welding neck flanges-
Uxcell 2 Pcs 3.6mm Dia Bolt Stainless Steel Welding Neck Flange
SMALL-CHIPINC – 45mm x 20mm Welding Stainless Steel 3 Bolt Weld Neck Pipe Flange
Sala-Deco – 45mm x 20mm Welding Stainless Steel 3 Bolt Weld Neck Pipe Flange
uxcell 2 Pcs 25mm x 38mm Sliver Tone Stainless Steel Pipe Tube Weld Neck Flange
Uxcell a15101900ux0765 52mm x 38mm Stainless Steel Pipe Tube Weld Neck Flange 6 Pcs
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