Gas Filled Metal O Ring For High Temperature And Moderate Weight Applications. Ogi For Inner Weight And Oge For Outer Weight. spring-invigorated Metal O Ring For Internal Weight (osi) And (ose) For Outer Weight Are Intended For Great Low Spillage At Moderate Weights. inside (ovi) Or Remotely (ove) Vented O Rings Are Intended For Higher Weight. Other Than The Own Seating Load The Seal Is Additionally Stimulated By The Framework Weight. non-vented Rings (oi And Oe) Are Intended For Lower Weight Ranges. The Superbly Shut O Ring Plan Keeps Away From Entrance Of The Media Into The Seal. Moderate Burden, Moderate Weight Ability.