Steam safety valves terminate how high above the roof?

The correct height for steam safety valve discharges to terminate above the roof is 7 feet. This requirement is established to ensure that steam is released safely and effectively into the atmosphere, minimizing the risk of it being re-ingested into the system or affecting people in close proximity.

Positioning the discharge at this height allows for an adequate dispersal of steam, preventing any potential hazards arising from sudden steam release at lower levels, which could expose personnel to steam burns or other safety concerns. Additionally, it helps avoid interference with building ventilation systems and ensures that the steam is less likely to create a hazard in the surrounding environment.

Maintaining this clearance is a critical aspect of safety regulations regarding pressure systems and helps operators comply with established codes and standards. Understanding and applying this regulation is vital for maintaining safe operational practices in facilities that utilize high-pressure steam systems.