Wet Prime

Pump Size 1.5-10 inches 40–250 mm
Max Head 200+ feet 60 metres
Max Flow 20–3,500 USgpm 4–795 m³/h

Wet Prime Pumps

GS Series

Pioneer self-priming pumps are designed for reliable solids and clear liquids handling. After initial priming, they continue to reprime automatically.

  • Rely on the best materials — Standard heavy-wall ductile iron volute and 17-4 PH stainless steel shaft for durability and peace of mind.
  • Get peak performance — A simple external shimless impeller adjustment means the user can easily adjust the tolerance between the impeller and wearplate.
  • Trust our seals — Cartridge type tungsten vs. silicon carbide mechanical seal makes for ease of maintenance and simple installation.

GS Series

Wet Prime

The Pioneer Pump® GS Series is a durable, cost-effective pumping solution for applications with high performance demands. These robust pumps are available in 3x3, 4x4, 6x6, 8x8, and 10x10 sizes, with maximum flow rates up to 3450 gpm, a maximum head of 175 feet, and solids handling capabilities of up to 3 inches. Offered assembled as part of a full pumping package or as a standalone pump, the GS Series provides industry consistency in parts interchangeability and pump footprint when compared to other manufacturer models, making it an ideal solution for most retrofit installations.

Pump Size Max Flow Max Head Solids Size
GS3087L75-HO 3 x 3 inches
76 x 76 mm
490 USgpm
111 m³/h
140 feet
42 metres
2.5 inches
63.5 mm
GS4097L75-HO 4 x 4 inches
101 x 101 mm
800 USgpm
181 m³/h
112 feet
34 metres
3 inches
76 mm
GS6012L75-HO 6 x 6 inches
152 x 152 mm
1500 USgpm
340 m³/h
115 feet
35 metres
3 inches
76 mm
GS8015L75-HO 8 x 8 inches
203 x 203 mm
2500 USgpm
567 m³/h
130 feet
39 metres
3 inches
76 mm
GS10014L75-HO 10 x 10 inches
254 x 254 mm
3450 USgpm
783 m³/h
175 feet
53 metres
3 inches
76 mm

GT Series

Pump Size 3X3 - 6X6 inches 80X80 - 150X150 mm
Max Head 250 feet 76 metres
Max Flow 1700 USgpm 386 m³/h

Wet Prime Centrifugal Pump

The Pioneer Pump® GT Series is a robust pumping solution for nearly any food processing, wastewater
treatment, waste handling, chemical processing, or industrial application with high performance
demands. Available in 3x3, 4x4, and 6x6 sizes, they feature a unique shaft design that permits maximum
flow rates up to 2250 gpm at a maximum head of 250 feet with a solids handling capability of up to
three inches. A unique suction spool increases the inlet diameter and alleviates abrasion wear on the
pump, while its distinct cover combines both the fill access cover and flapper valve access cover in one to
improve ease of use – making these pumps ideal for the toughest tasks, all within a standard footprint.

Pump Size Max Flow Max Head Solids Size
GT3O87 3 x 3 inches
80 X 80 mm
660 USgpm
730 m³/h
160 feet
40 metres
2.5 inches
63 mm
GT4O97 4 x 4 inches
101 x 101 mm
1120 USgpm
254 m³/h
205 feet
62 metres
3 inches
76 mm
GT6O13 6 x 6 inches
150x150 mm
2250 USgpm
511 m³/h
250 feet
76 metres
3 inches
76 mm

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