Robust high-pressure seal with four geometrically identical inlaid seal rings arranged back-to-back;

Position of the seal rings remains unchanged, even when the pressure is reversed due to the pressure self-balancing structure;

Bearing anti-swing structure is designed especially fit for the agitator axle;

Single bevel, double bevel or divided shaft holder makes sure the shaft is locating accurately and reliably;

Coolingjacket is optional in high temperature applications。