Wemix SA series (Swivel angle) side entry mixers are designed based on FASeries fixed angle mixers by adding periodically swivel device to it.It is suitable for such super giant vessels,such as slurry or crude oil storage tank, Palm Oil Storage Tank,or vessel which need perfect mixing.The swivel angle design could reduce power consumption,shorten mixing time and enhance mixing effect.With good mechanical seal for side entry mixers and special shut-off device, the seal faces and mechanical seal assure maintenance without drainage of the tank fluid.