What is the recommended angle for a wet tap connection on a pipe?

The recommended angle for a wet tap connection on a pipe is 45 degrees from the top of the pipe. This angle is optimal because it allows for the most effective flow and minimizes turbulence when the tap is made. At this angle, the drill can penetrate the pipe while maintaining a good alignment with the existing flow within the main line. This helps to ensure a smoother transition for the new connection, reducing the risk of disruptions in the existing flow and preventing issues such as backflow or air pockets.

Choosing a different angle, such as 30 degrees, could lead to a less favorable connection that might not effectively utilize the gravity-driven flow of the system. An angle of 60 degrees might cause complications with pipe fittings or connections downstream, while a 90-degree tap connection could create significant turbulence and even stress on the pipe walls, increasing the risk of failure. Therefore, the 45-degree angle stands out as the industry best practice for ensuring proper function and longevity of the connection in a water distribution system.