Neptune Mixer Company offers a range of gear-driven portable mixers that provide dependable performance in a variety of mixing/blending applications. The mixers feature heavy helical gears for powerful mixing to 350 rpm. Clutchless construction ensures long life and slip-free operation, and the grease-filled gearbox eliminates leaking and the danger of oil contamination of the process. Cast aluminum housings, along with 316S propellers and shafts are standard, and all shaft bearings are permanently lubricated. Neptune’s gear-drive mixers are available with totally enclosed fan-cooled , explosion-proof or air motors ranging from 1/3 hp to 5 hp. Available in three mounting styles: clamp or cup plate mount, angle-riser mount and flange mount with shaft seal.