| 摘要 |
A“tee”coupling for use with a no-hub cast iron“P-trap”; the tee is directionally rotatable on the a step engaging the standpipe end of the trap. Two interchangeable gasketed ends are provided for securing the coupling in line with the trap. A rigid band for reinforcing the tee fitting is embedded in the walls of the coupling between the two gasketed ends and the coupling is reinforced with an external metal sheath. Paired pipe clamps on each end of the coupling are tightened around the sheath to seal the gaskets to the pipe ends after the“tee”is“aimed”in the desired direction for laying the primer line. |
