What is static mixing? Tubular Static Mixer A tubular static mixer typically consists of three sections (though the number may be increased based on the properties of the mixed media) . Each section contains a fixed helical blade twisted at 180°, available in both left-hand and right-hand orientations. Adjacent sections feature helical blades with opposite rotational directions and are offset by 90°. To facilitate installation of the helical blades, the cylinder is split into