Ideal Vacuum | ASA 6 Inch Blank Flange with O-Ring Groove, Not Bored, Not Rotatable, 11 in OD, 9.5 BCD, 0.81 in Hole Diameter, 8 Holes, 304 Stainless Steel
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O-Ring Flange (4" Series)
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Ring Type Joint Flange Manufacturers, ASME B16.5 RTJ Flange
Stainless Steel Backing Ring Flange Manufacturers, Back up Flange Dimensions, Backing Flange
Flange Faces - Raised Face (RF), Flat Face (FF), Ring-Type Joint (RTJ), Male-and-Female (MF), Tongue-and-Groove (TG)
Ring Type Joint Flanges Manufacturer, ANSI B16.5 RTJ Flange Dimensions
Collar Flange with Retaining Ring | INFICON
Oatey 7 in. Galvanized Steel Toilet Flange Replacement Ring 427772 - The Home Depot
BACKING RING - STAINLESS STEEL - BAT Industrial Products - BAT Industrial Products