Tapping sleeve, Carbon Steel.
Smith-Blair Tapping Sleeves consist of two sections of heavy welded steel that bolt together on the pipe and seal against a concave wedge gasket around the tap opening. The outlet half has a recessed flat-faced flange to mate with standard tapping valves MSS SP 60 up through 12-inch size-on-size. For tap sizes 14-inch and above, flanges can be furnished to accommodate the valve requirements.
Application: For reducing size-on-size flanged outlets 4" and up on Concrete Cylinder pipe. Mechanical joint outlets are available.