Tank Flanges are welded onto a hole on the flat surface of a tank, creating a connection for a threaded pipe. Five different Tank Flanges.
  • All Tank Flanges sold here are forged steel, conforming to ASTM A105 and ASME SA105.
  • Tank Flanges are stocked in sizes from 1/4" to 4".
  • For a Tank Flange, size refers to the nominal diameter of the connected pipe.
Two Tank Flanges in different sizes.
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Schedule refers to the pipe thickness on which this fitting is to be used, typically values are STD (standard), S/10 (Schedule 10) and XH (extra heavy). These thickness vary with the diameter of the pipe according to published standards.

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Domestic = Made in the USA

Import = Made anywhere else

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Flanges are avaiable in aluminum, carbon steel and stainless steel in grades 304, 304L, 316 and 316L. The L designates "low carbon", making the fitting good for welding.


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