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.
-
Oberdorfer Pumps
1.25" Bronze gear pump
N11500-21
$1,642.001 1/4" Bronze rotary gear pump without relief valve. Pedestal mount pump only. Upper drive shaft location. See performance graph for flow rates vs motor RPM and HP (under image tab) . If used above 900 RPM, then duty cycle is limited to intermitt...Up to 55GPM Learn More -
Oberdorfer Pumps
1.25" Bronze gear pump
N11500S5
$1,748.001 1/4" Bronze rotary gear pump without relief valve. Pedestal mount pump only. Upper drive shaft location. See performance graph for flow rates vs motor RPM and HP (under image tab) . If used above 900 RPM with non-lubricating fluid, then duty ...Up to 55GPM FKM Lip seal Learn More -
Oberdorfer Pumps
1.25" Bronze gear pump
N1100XN46
$3,655.001 1/4" Bronze rotary gear pump with relief valve and close coupled to a 1 HP ODP motor.Use to pump oil and other viscous thick liquids.
1HP 115/230v ODP Learn More -
Oberdorfer Pumps
1.25" Bronze gear pump PEO
N1100
$1,410.001 1/4" Bronze rotary gear pump with relief valve and to be close coupled to a 1 HP 56C to 3HP 182TC motors of electric or hydraulic type.Use to pump oil and other viscous thick liquids as well as diesel and all the de-icing fluids. Uses such as ...
NO motor Learn More -
Oberdorfer Pumps
1.25" Bronze gear pump
N1100W-T98
$2,159.001 1/4" Bronze rotary gear pump with relief valve and close coupled to a 1 1/2 HP TEFC motor.Use to pump oil and other viscous thick liquids, De-icing fluids.
1.5HP 230/460v Learn More -
Oberdorfer Pumps
18 GPM CI GEAR PUMP & PED
18GB1111S
$1,226.00Medium duty CI gear pump with relief valve and pedistal for long coupling. Mechanical sealed, bronze bearings. CW rotation.b>Features:
- Shafts: Ground and polished steel.
- Helical Gears: For quiet running.
- Housing: Of close grain cast iron. Three...
-
Hypro Pumps
Bronze gear pump
GPBN6V
$1,322.80Bronze pedestal mounted gear pump. For oils and other lubricating liquids. Excellent for water based fluids. Ryton PPS spur gears provide quiet operation and chemical compatibility. No metal to metal contact.1" Learn More -
Hypro Pumps
Cast Iron gear pump
BPCV6V
$823.9311 GPM Cast Iron pedestal mounted gear pump. For oils and other lubricating liquids. Not for use on water.