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Positive Displacement Pumps

These pumps are often thought of as high-pressure pumps. Their positive displacement of fluid and fixed volume are the result of the fluid being mechanically moved through their pump passage on a regular cycle. This means that regardless of the system they discharge into, the pressure and volume will remain constant. The power of the driving device and its speed, limit the volume and pressure.Positive Displacement pumps:Flow rates of GPD, CC/min to 100 GPM typically.Discharge pressures of a 1 to 1000 PSI.Low speed and fixed volume per cycle, they handle very viscid fluids well.Smaller than centrifugal pumps.Quiet, do not ad much heat to the fluid, suitable for shear sensitive fluids.Diaphragm pumps can easily pass solids, stringy and fibrous foreign matter. Are made in materials from CI to Titanium and PP, PVDF and PPS engineering resins.

Positive Displacement Pumps

Oberdorfer

N994 12v DC Gear Pump

OBN994H-H75

12v DC Gear Pump. Pump housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.
12 volt Gear ...

1HP 12VDDC

$1,729.00
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Oberdorfer

Rubber Impeller Bronze Pump

OB405M-04N26

Oberdorfer rubber (flex) impeller pump with solid cast bronze housing. Close coupled Rubber Impeller Pumps are made of high quality bronze for maximum corrosion resistance. The rubber impeller is mounted on a separate stainless steel shaft which i...

115v 1HP 1" ODP

$1,203.00
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Oberdorfer

Rubber Impeller Bronze Pump

OB405M-04M35

Oberdorfer rubber (flex) impeller pump with solid cast bronze housing. Close coupled Rubber Impeller Pumps are made of high quality bronze for maximum corrosion resistance. The rubber impeller is mounted on a separate stainless steel shaft which i...

115v 3/4HP 1" TEFC

$1,616.00
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Oberdorfer

Gas Rubber Impeller Pump

OB405MG-03UGY

Gas Engine Oberdorfer rubber (flex) impeller pump with solid cast bronze housing. Close coupled Rubber Impeller Pumps are made of high quality bronze for maximum corrosion resistance. The rubber impeller is mounted on a separate stainless steel sh...

3HP engine 1"

$2,525.00
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All-Flo

H Series Sanitary & Hygienic

H050-THL-PTTT-G70

1/2” (13mm) HDPE/ Polished 316L Stainless Steel. Suction lift capability may vary depending on the construction materials and application parameters. The range is from 16.4 feet dry to 30 feet in a primed condition. Tri Clamp Click here to ...

Sanitary

$3,180.00
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All-Flo

PP Air Operated Double Diaphragm Pump

C150-FPP-SSPE-B70

PolyPro Air AODD Pump 1.5". Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Non-electrical, pneumatic pump for chemicals. Click here to Learn How to Size your D...

PE-15 1-1/2"

$2,412.24
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All-Flo

Nylon Air Operated Double Diaphragm Pump

A025-SPK-TTKV-S70

Nylon Air AODD Pump 1/4". Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Non-electrical. Replaces RDD-025 Models available in PP, PVDF, Nylon, Conductive Nylon, ...

1/4"

$531.63
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Oberdorfer

Bronze Rotary Gear Pump 1"

OBN990H-T47
1" Close coupled bronze rotary gear pump with motor. 1.5HP
- Bronze Construction with SS shaft
- Helical gears for quiet operation
- Self-lubricating carbon bearings
- O-ring seal for max. leak protection
- The pump drive shaft is connected to the mo...
1-1/2HP 115/230v 1"

$2,068.00
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Sale

Oberdorfer

3/4" Bronze gear pump

OBN970R-39

3/4" Bronze rotary gear pump with relief valve, close couples to a 1725 RPM motor. PUMP ONLY, Gear Pump End Only (no motor - for Clutch Mounted assembly). Often used to pump Diesel fuel. Pump housings and gears are made of top quality bronze, shaf...

PEO Relief Valve

10% Off Regular Price: $1,172.00

Special Price $1,055.00

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Oberdorfer

N993 Pump & motor 12VDC

OBN993-C81

12VDC gear Pump.

Housings and gears are made of top quality bronze; shafts are from stainless steel 303. Bearings are designed of high performance carbon-graphite material selected for wear resistance and long service life.

12 volt Gear pumps ar...

12VDC

$1,395.00
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