What is the minimum height for a relief valve stack on containers with more than 2,000 water gallons capacity?

The minimum height for a relief valve stack on containers with a capacity of more than 2,000 gallons of water is established at 7 feet. This requirement is in place to ensure that any gas released from the valve is adequately dispersed into the atmosphere, minimizing the risk of accumulation near the ground, where it could pose hazards. The 7-foot specification helps to create a safety buffer, ensuring that the gases are released at a height that reduces the likelihood of exposure to people and structures nearby.

This height requirement is critical in maintaining safety protocols and ensuring compliance with regulations concerning propane and other pressurized gases. It acknowledges the need for effective ventilation and safe dispersal of gases, which is a vital consideration to prevent potential hazards such as fire or explosion. Other height options, although they suggest varying degrees of caution, do not meet the established safety standards that specify 7 feet as the minimum requirement.