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E-Series Product photo

D Series

Slow operating speed reduces wear and prolongs pump life. The fluid end is available in ductile iron or aluminum bronze with flat valves, making routine maintenance easy without removing the pump from the system. All the valve and piston assemblies are serviceable through convenient front and top openings.

Reciprocating Pumps

D Series Pump Features:

  • Flows to 65 GPM
  • Pressure ratings up to 2,000 PSI
  • Internal gear reductions
  • Continuous splash lubrication provided either direction of rotation


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D35-8PP Piston Size In. Max. PSI *Gallon Per/Rev 600 RPM
US GPM		 650 RPM
US GPM		 700 RPM
US GPM		 750 RPM
US GPM		 800 RPM
US GPM		 Flows: 26 – 34 GPM
PSI: 600 – 1200
Stroke Length:
2.875”		 Max. HP 30
2.250 1200 .0437 26.2 28.4 30.5 32.7 34.9
HP Required @ RPM** 21.5 23.3 25.1 26.9 30.0
D35-12 Piston Size In. Max. PSI *Gallon Per/Rev 725 RPM
US GPM		 825 RPM
US GPM		 925 RPM
US GPM		 1025 RPM
US GPM		 1075 RPM
US GPM		 Flows: 25 – 37 GPM
PSI: 600 – 1200
Stroke Length:
3.75”		 Max. HP 30
2.000 1200 .0346 25.0 28.5 32.0 35.4 37.1
HP Required @ RPM** 20.5 23.4 26.3 29.1 30.0

* D35 Series have internal gear reduction of 3.39:1

D50-12 Piston Size In. Max. PSI *Gallon Per/Rev 725 RPM
US GPM		 825 RPM
US GPM		 925 RPM
US GPM		 1025 RPM
US GPM		 1075 RPM
US GPM		 Flows: 35 – 52 GPM
PSI: 400 – 1200
Stroke Length:
3.75”		 Max. HP 45
2.250 1200 .0490 35.5 40.4 45.3 50.2 52.6
HP Required @ RPM** 29.2 33.2 37.3 41.3 45.0
D60-10 Piston Size In. Max. PSI *Gallon Per/Rev 725 RPM
US GPM		 825 RPM
US GPM		 925 RPM
US GPM		 1025 RPM
US GPM		 1075 RPM
US GPM		 Flows: 43 – 65 GPM
PSI: 400 – 1000
Stroke Length:
3.75”		 Max. HP 45
2.500 1000 .0605 43.8 49.9 55.9 62.0 65.0
HP Required @ RPM** 30.0 34.2 38.3 42.5 45.0
D65-16 Piston Size In. Max. PSI *Gallon Per/Rev 1112 RPM
US GPM		 1247 RPM
US GPM		 1446 RPM
US GPM		 1490 RPM
US GPM		 1570 RPM
US GPM		 Flows: 48 – 68 GPM
PSI: 1000 – 1600
Stroke Length:
3.75”		 Max. HP 75
2.125 1600 .0437 48.5 54.4 63.1 65.1 68.6
HP Required @ RPM** 53.2 59.9 69.2 71.4 75.0
D65-20 Piston Size In. Max. PSI *Gallon Per/Rev 1000 RPM
US GPM		 1200 RPM
US GPM		 1400 RPM
US GPM		 1600 RPM
US GPM		 1800 RPM
US GPM		 Flows: 38 – 69 GPM
PSI: 1000 – 2000
Stroke Length:
3.75”		 Max. HP 95
2.000 2000 .0387 38.7 46.4 54.1 61.9 69.6
HP Required @ RPM** 53.1 63.6 74.2 84.9 95.0
                 

Metallurgy is available in Ductile Iron or Aluminum Bronze
“D” Series have an internal gear reduction of 3.95:1 - except as noted
* Displacement based on 100% Volumetric Efficiency
** Power based on 85% Mechanical Efficiency
Pump Weight 525 lbs.