Chemineer: The Model 20 HT/GT top-entering agitator features a swing-out seal-change design for easy seal maintenance and reduced cost. The agitator features a new, high-efficiency gearbox with helical gearing and a parallel shaft configuration and a modular design package that reduces the number of replacement parts. A wide range of speeds is available with the new agitator, providing improved process control and greater application versatility.