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Drum Mixers - Series H & HGS

Bung-Entering – 55-Gallon (208.2 Liter) Drum, High Viscosity

Neptune offers a complete line of bung-entering mixers. These mixers come in two styles for water-like solutions that use a folding propeller (Series E & F). Two styles (Series H & HGS) are also available for viscous fluids that use permanent blades and are offered in higher horsepowers. All Neptune bung-entering mixers fit through the standard 2” (50.8 mm) bung on 55-gallon (208.2 liter) drums.


Series H Mixers
Direct Drive, 1,750 rpm Viscosity to 8,000 cPs

Series HGS Mixers
Gear Drive, 430 rpm Viscosity to 32,000 cPs


  • Shaft and propeller are 316SS.
  • Available electric or air motor powered to 1 HP.
  • For mixing extremely heavy or shear-sensitive chemicals in drums.
  • Designed to screw into standard 2” (50.8 mm) bung opening on 55-gallon (208.2 liter) drums.


Neptune™ offers a complete line of portable mixers for a wide variety of critical blending and mixing operations. Engineered to provide a long life and trouble-free operation, Neptune mixers are ideally suited for the following applications: Blend liquids, Suspend or dissolve solids, Disperse immiscible liquids, Disperse small amounts of gases in liquids.



EE Certificate

Mixer Safety Supplement

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