... pipe will folded by the gear case, when the tank was filled In the construction, the Bending radius of ... 6Mpa.This construction is installed in the huge oil tank, when the tank is empty, the floating roof will float down ... pipe will folded by the gear case, when the tank was filled oil in it, the floating roof will ... and the other end connect the bottom of the tank. When it rain or snow, water will flow ...