PFI ES-26: Welded Load Bearing Attachments to Pressure Retaining Piping Materials
SDO: PFI: Pipe Fabrication Institute
DOD Adopted ANSI Approved Approved
This standard covers minimum recommended requirements for materials, design, fabrication and inspection of load bearing attachments, such as, but not limited to, ears, shoes, lugs, fins, rings, skirts, anchors, guides, etc., which are to be fabricated and welded to piping materials that will become part of a pressure retaining piping system. It is not intended to apply to lug or clip attachments whose basic function is to provide support for pipe insulation.
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