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Wet Prime

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

Wet Prime Pumps

ES, P and PE 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.

P Series

Wet Prime Pumps

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

Pump	Size	Max Flow	Max Head	Solids Size
P3O87	3 x 3 inches 80 x 80 mm	540 USgpm 120 m³/h	125 feet 40 meters	2.5 inches 60 mm
P4O97	4 x 4 inches 100 x 100 mm	850 USgpm 200 m³/h	140 feet 40 meters	3 inches 76 mm
P6O12	6 x 6 inches 150 x 150 mm	1,400 USgpm 320 m³/h	120 feet 40 meters	3 inches 76 mm
P8O15	8 x 8 inches 200 x 200 mm	2,800 USgpm 640 m³/h	130 feet 40 meters	3 inches 76 mm
P10O15	10 x 10 inches 250 x 250 mm	3,800 USgpm 870 m³/h	150 feet 50 meters	3 inches 76 mm

ES Series

Wet Prime Pumps

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

Pump	Size	Max Flow	Max Head	Solids Size
ES3O87	3 x 3 inches 80 x 80 mm	455 USgpm 100 m³/h	145 feet 40 meters	2.5 inches 60 mm
ES4O97	4 x 4 inches 100 x 100 mm	770 USgpm 180 m³/h	140 feet 40 meters	3 inches 76 mm
ES6O12	6 x 6 inches 150 x 150 mm	1,500 USgpm 350 m³/h	120 feet 40 meters	3 inches 76 mm

PE Series

Wet Prime Pumps

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

Pump	Size	Max Flow	Max Head	Solids Size
PE3O11	3 x 3 inches 80 x 80 mm	530 USgpm 120 m³/h	210 feet 60 meters	0.8 inches 20 mm
PE4O11	4 x 4 inches 100 x 100 mm	1,000 USgpm 230 m³/h	195 feet 60 meters	1.25 inches 30 mm
PE6O12	6 x 6 inches 150 x 150 mm	1,800 USgpm 410 m³/h	185 feet 60 meters	1.25 inches 30 mm