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Blind Flange Dimensions Chart

Blind flanges play an indispensable role in the realm of piping systems. Their primary function is to offer a robust and dependable sealing solution at the terminal points of pipelines or for securely closing openings in piping systems and vessels.

What sets blind flanges apart from other flange varieties is their distinctive design; they lack a central bore, making them solid discs. This unique attribute is key to their functionality and application. We offer these specifications and classes of blind flanges, including:

CLASS 1500# BLIND FLANGE ANSI B16.50

ITEMSIZEODThicknessWeight
BF.515001/2″4-3/4″7/8″4
BF.7515003/4″5-1/8″1″6
BF115001″5-7/8″1-1/8″9
BF1.2515001-1/4″6-1/4″1-1/8″10
BF1.515001-1/2″7″1-1/4″14
BF215002″8-1/2″1-1/2″25
BF2.515002-1/2″9-5/8″1-5/8″35
BF315003″10-1/2″1-7/8″48
3-1/2″
BF415004″12-1/4″2-1/8″73
BF515005″14-3/4″2-7/8″140
BF615006″15-1/2″3-1/4″160
BF815008″19″3-5/8″302
BF10150010″23″4-1/4″510
BF12150012″26-1/2″4-7/8″775
BF14150014″29-1/2″5-1/4″975
BF16150016″32-1/2″5-3/4″1300
BF18150018″36″6-3/8″1750
BF20150020″38-3/4″7″2225
22″
BF24150024″46″8″3625

CLASS 2500# BLIND FLANGE ANSI B16.50

ITEMSIZEODThicknessWeight
BF.525001/2″5-1/4″1-3/16″7
BF.7525003/4″5-1/2″1-1/4″10
BF125001″6-1/4″1-3/8″12
BF1.2525001-1/4″7-1/4″1-1/2″18
BF1.525001-1/2″8″1-3/4″25
BF225002″9-1/4″2″39
BF2.525002-1/2″10-1/2″2-1/4″56
BF325003″12″2-5/8″86
3-1/2″
BF425004″14″3″133
BF525005″16-1/2″3-5/8″223
BF625006″19″4-1/4″345
BF825008″21-3/4″5″533
BF10250010″26-1/2″6-1/2″1025
BF12250012″30″7-1/4″1464