Abstract: In a degasifier for the separation of gases and vapors from gas-liquid and vapor-liquid mixtures flowing through a pipeline there is provided at the bottom of a housing a pipe section connected into the pipeline with a branch conduit connected to the top of the pipe section and extending upwardly therefrom for the delivery of gas or vapor-laden liquid mixtures to the upper part of the housing. The pipe section has bottom openings for the return of liquid discharged through the branch conduit and liberated from the gases or vapors to the pipe section and the pipeline.