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Neptune's technical innovations, backed by solid customer support, builds confidence in our complete portfolio of products, delivering peace of mind reliability to our end users.

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Neptune Markets

Single-source, end-to-end solutions

Neptune delivers pump systems for use in the reliable and safe handling of chemical fluids used for water treatment applications in municipalities, general industries and agriculture.

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ProTips Education Center

Single-Source Resource for Industrial Water Treatment

New educational center dedicated to providing you with resources, best practices and product information for the industrial water treatment market.

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JGF 8 JGR 8 Large-Mixer-JG-3.0-Dual-001 Large-Mixer-JGR-7.1-007

Large Gear Drive Mixers - JG Series

Neptune’s JG Series is the most powerful gear drive mixer Neptune has to offer. JG Series is best for difficult mixing applications handling viscosities ranging from 100 cP to 25,000 cP and handling up to 5,000 gallons (18,927 liters). To help select which JG Series mixer is right for your application, refer to Neptune’s mixer selection guide.

Propeller and Shaft Material
  • 316SS as standard
  • Optional coatings such as rubber, or PVC available
Housing Materials
  • Cast aluminum
  • Totally-Enclosed Fan-Cooled (TEFC)
  • Explosion-Proof Enclosures Class 1 Group D
  • Air Motor
  • Variable Speed 35 to 350 rpm TEFC
Shaft Length
  • 48" (1,219 mm) to 72" (1,829 mm)
Shaft Diameter
  • 3/4" (19 mm) to 1-1/4" (32 mm)
Propeller Size
  • 10” (254 mm) to 16" (406 mm)
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Features and Benefits

  • Clamp or cup plate mount
  • Heavy helical gear, 350 rpm motor
  • Grease filled gearbox eliminates oil and the possibility of oil contamination of process
  • No clutches to slip, wear or replace
  • Square pitch 1.0 ratio marine propellers are used exclusively. Flow coefficients and power consumption characteristics equal those of the best hydrofoil impeller designs
  • Vibration-absorbing pad as a standard feature
  • Shaft bearings permanently lubricated
  • Mounting clamp has adjustable angle of entry by indexed ball-and-socket design to achieve various process results
  • Fixed cup plate mount optional on 1/3 HP through 1-1/2 HP, standard on 2 HP and larger models
  • Flange mount (Series JGF) and Angle-Riser Mount (Series JGR) Gear Drive Mixers are also available