Styles:style R,style RIR,style SG,style SGI Applications:Heat exchange, pumps, valves, piping Thickness: 2.5mm-7.2mm ... male and female or grooved to flat flange assmeblies. Applications:Heat exchanges,pimps,valves,piping... Style RIR Inner Ring type Suitable for ... flanges. Applications:Heat exchanges,pumps,valves,piping...Style SG Out Ring type.Suitable for ...