Why is it important to use proper sealing compounds on threaded joints?

Using proper sealing compounds on threaded joints is crucial because they play a vital role in preventing leaks and ensuring a tight seal. In plumbing and piping systems, threaded connections are commonly made for joining pipes and fittings, and without an appropriate sealing compound, these joints can become potential points of failure where liquids or gases could escape.

The sealant fills the microscopic imperfections in the threads and creates a barrier that hydrocarbons, fluids, or gas cannot breach. This not only helps to maintain system pressure but also prevents potential hazards, such as water damage or the release of hazardous gases in certain environments. In cases where piping is carrying substances under pressure, the integrity of the seal becomes even more critical.

While some might consider aspects like aesthetic appearance, insulation, or flow rate as beneficial features of the system, the primary function of sealing compounds in threaded joints is to maintain a secure and leak-free connection. Ensuring that the joint is effectively sealed helps maintain the reliability and safety of the entire piping system, which is why the use of proper sealing compounds is emphasized in best practices for pipefitting.