316L Stainless Steel Pipe

ANSI Backing Ring - Class 150

The Stainless Steel Backing Rings are designed to slip over the small Adaptor Flange (small) pipe size up to 42mm, or the Stub Flange from pipe sizes 76.1 to 168.3   These flanges match series ANSI Class 150   For 304 grade Stainless Steel substitute 4 instead of 6 in code, eg SBA4.000xxx

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