Blind flange raised face is flange type and popular using in piping works, blind flange for raised face also named blind RF blank RF, usually DIN2527, BS4505 and ANSI B16.5 standards for blind is raised face type, EN1092-1 type 05 is flat face type, blind RF pressure for PN6 PN10 PN16 PN25 PN40, JIS B2220 and KS B1503 for 5K 10K 16K 20K and ANSI B16.5 B16.47 for class 150 300 600 900 1500 2500.
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