Arabian Broz provides this type Gaskets, consist of a Gasket (Winding + Filler) with a solid metal Inner and OUTER guide ring. A winding with an alternate combination of a STEEL strips and soft non-metallic FILLER with Solid Inner and Outer Guide Ring. This type CGI is identical to style CG, with the addition of an INNER ring. The inner ring also serves several functions. Primarily, it provides radial support for the gasket on the Inner diameter to help prevent the occurrences of inside buckling, collapsing and imploding. Its Inner diameter is normally sized slightly larger than the Inner diameter of the flange bore, minimizing turbulence avoiding uneven flow. The inner rings are normally supplied in the same material as the winding strips in spiral wound component.