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.
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Oberdorfer Pumps
Bronze Rotary Gear Pump 1"
N990H-T47
$2,068.001" 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" Learn More -
Oberdorfer Pumps
Bronze Rotary Gear Pump w/ motor
N990J-T47
$1,871.00Oberdorfer Close coupled bronze rotary gear pumps.
- 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 motor shaf...
1-1/2HP 115/230v 1" Learn More -
Oberdorfer Pumps
3/4" Bronze gear pump 1HP
N970H-N47
$2,394.003/4" Bronze rotary gear pump without relief valve and close coupled to a 1 HP 115v/1/60 1725 RPM TEFC motor.Pump housings and gears are made of top quality bronze, shafts are stainless steel 303. Bearings are made of high performance carbon-gra...115/230v ODP 1HP Learn More -
Hypro Pumps
316 Stainless Steel Gear pump
GMSV6C7T
$4,300.18Rotary Gear pump with motor. 316 Stainless construction, Ryton gears.
Gear pumps are positive displacement pumps. Each shaft revolution displaces a definite amount of liquid relatively unaffected by the back pressure in the discharge line. Shaft...
3HP 230V TEFC Learn More -
AMT Pumps
3" Electric Diaphragm Pump
337E-96
20% Off Special Price $2,702.40 Regular Price $3,378.00Electric Diaphragm water pumps features 2-stage, 44 to 1 gear reduction with a large diameter output gear and heavy duty ball bearing construction. Often referred to as Mud pumps or Sludge pumps, diaphragm trash pumps are designed to pump mud, slu...
1.5HP 115/230v Learn More -
Oberdorfer Pumps
Close Coupled Bronze Rotary Gear Pump w/ relief valve
N991RN32-F08
$881.00Bronze Rotary Gear Pump with electric motor. Pump housings and gears are made of top quality bronze, shafts are 303 stainless steel. Bearings are designed of high performance carbongraphite material selected for wear resistance and long service...Pump & 1/3HP Motor 115v 1/4" Learn More