-
Supply Type
Manufacturer, Exporter, Supplier
Preferred Buyer From :
All over the world
The groove and tongue faces of these flanges must be matched. One flange face has a raised ring (tongue) machined onto the flange face while the mating flange has a matching depression (groove) machined into it's face.
tongue-and-groove facings are standardized in both large and small types. They differ from male-and-female in that the inside diameters of the tongue-and-groove do not extend i