Companion flange high-quality supplier, when the flange selected in the project is a tongue flange, the corresponding matching connection should be a groove flange. There are three types of similar flanges, tongue and groove flanges, convex and concave flanges and convex flanges. Their matching forms (including the types of matching flanges and gaskets) are: tongue and groove flange: tongue and groove flange-gasket-groove flange; convex and concave flange: convex flange-gasket-concave flange ; Raised face flange: raised face flange-gasket-raised face flange.
