What is the purpose of a water seal well? What are its key characteristics and advantages, and in which settings is it typically applied?

A water seal manhole is a special safety drainage structure installed on sewage pipe networks in industrial areas. It uses a water seal barrier to isolate flammable gases, oil fumes, and volatile hazardous substances, preventing flames or explosions from spreading along the pipeline. It is often used together with plastic inspection manholes to form a […]