What are the requirements for relief vents from service regulators?

The requirement for relief vents from service regulators being insect resistant and protected from submergence is critical to ensuring safety and operational integrity. Relief vents are designed to discharge gas safely in the event of excess pressure, preventing potential hazards such as leaks or explosions. By being insect resistant, the design prevents obstructions from wildlife that could hinder the vent's function. Additionally, protecting the vents from submergence is essential, as water ingress can block gas escape or cause other malfunctions, leading to increased safety risks.

This combination of features ensures that the relief vent operates effectively under various environmental conditions, maintaining the gas system's safety and reliability. Properly designed vents are vital in safeguarding not only the system itself but also the surrounding area and buildings from dangerous gas accumulation.