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Well control equipment

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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"

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