Automatic control valves in the nature of internal safety valves of metal for protecting storage tank contents from exposure to fire for use on storage tanks containing flammable and combustible liquids; Automatic control valves in the nature of overflow valves for sealing of liquid overflow pipes against vapor and liquid leakage; Pressure relief rim vents in the nature of pressure relief valves for use on low pressure storage tanks for relief of tank pressure; Water drain valves, in the natu...

METALLIC LIQUID RECEPTACLES AND ATTACHMENTS FOR FILLING, VENTING, AND PREVENTING FLAME PROPAGATION IN RECEPTACLES

Metallic containers for storing and dispensing flammable liquids and component parts