Application of Liquid-filled Double Seal in Floating Roof Tank

The structure and features of liquid-filled double seal used in floating roof tank are introduced.This kind of seal is consisted of rubber pipe with liquid filled and preliminary seal, widely used in crude oil tank and products floating roof tank.A comparison between this seal and foam soft seal plus weather shield seal on the loss of light component is made.The result shows that the loss of light component of the former is only a 0.25 times of the latter.