Self-venting drain valve

摘要: A self-venting drain valve is disclosed preferably used in connection with tapping accumulated water at the bottom of a fuel/water separator. having first portion (14) residing vessel (10) has main passage (34) and secondary (26), being provided to allow air enter container eliminate vapor-lock. second (16) threaded on forms seals (52, 48, 44). When unscrewed, are broken sequence as follows: 52, 44. Accumulated well some fuel will then pass through same outlet aperture (76) collection held by operator valve.