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Type R and RX gaskets are<br />
used on 6B flanges.<br />
Only type BX gaskets are to<br />
be used with 6BX flanges.<br />
RX and BX provide a<br />
pressure energized seal but<br />
are not interchangeable .<br />
E – groove depth, m<br />
F – groove width, m<br />
R 2 – radius in groove, m<br />
R 1 – radius in ring (octagonal<br />
ring), m<br />
H,B – ring height<br />
P – standard ring or groove<br />
diameter, m<br />
A – width of ring, m<br />
C – width of flat (octagonal<br />
ring), m<br />
Gasket and<br />
groove type "R"