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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Riverside
3 in. Kohler Diesel diaphragm pump
DP3KD
$3,622.00Obsolete due to engine. Parts are still available.
Diaphragm pumps are positive displacement pumps. They pump aspecific volume for each pump cycle. Diesel Diaphragm pumps move fluidsmore slowly than centrifugal pumps, but can handle mud and large...
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Stenner
Dual Head Dual Control 70GPD
170MDC4
$601.00G.H. Stenner & Company offers a complete line of highly reliable peristalic chemical feeders. Use for grease trap enzymes, algaecide, biocide, biocidal, antimicrobial, chlorination - chlorine sanitizers and disinfectants injection, cooling towers... -
General Pump
EZ 44 3plex 10.8hp Hollow Shaft
EZ3035G
$1,148.91EZ 44 G Triplex Plunger Pump with Hollow Shaft, Flanged for Direct Couple to Gasoline Engines (SAE J609B) - Forged brass manifold with an exclusive lifetime warranty. Flanged for mounting on up to 13 horsepower engines.- Solid ceramic plunger des...
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Oberdorfer Pumps
1.25" Bronze gear pump PEO
N1100
$2,470.001 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 suc...
NO motor Learn More -
Stenner
Dual head Fixed rate 100GPD
100DMP5
$470.00G.H. Stenner & Company offers a complete line of highly reliable peristalic chemical feeders. Use for grease trap enzymes, algaecide, biocide, biocidal, antimicrobial, chlorination - chlorine sanitizers and disinfectants injection, cooling towers... -
General Pump
EZ 44 3plex 10.8hp Hollow Shaft
EZ3035GUI
$1,267.30EZ 44 G Triplex Plunger Pump with Hollow Shaft, Flanged for Direct Couple to Gasoline Engines (SAE J609B) - Forged brass manifold with an exclusive lifetime warranty. Flanged for mounting on up to 13 horsepower engines. Pump with Built-in Unloade... -
Stenner
Dual head Fixed rate 70GPD
100DMP4
$470.00G.H. Stenner & Company offers a complete line of highly reliable peristalic chemical feeders. Use for grease trap enzymes, algaecide, biocide, biocidal, antimicrobial, chlorination - chlorine sanitizers and disinfectants injection, cooling towers... -
All-Flo Pumps
Stainless Steel Air Operated Double Diaphragm Pump
A200-CA3-GG3N-B70
$7,128.68316 Stainless Steel Diaphragm Pump 2"NPT. Lube-free air valve, Non-stalling, No vent holes for corrosive fumes to get into, All plastic air system are corrosion resistant. Non-electrical. 316SS 2" connections are dual FNPT and Flange (ANSI 150#/DI...
Stainless, Geolast, Nitrile 2 inch Learn More -
General Pump
EZ 44 3plex 11.0hp Hollow Shaft
EZ4040E34
$1,286.15EZ 44 E Triplex Plunger Pump with Hollow Shaft, Flanged for Direct Couple to Electric Motors (NEMA-184TC) - Forged brass manifold with an exclusive lifetime warranty.- Ideal for all pressure cleaning and washing applications
- Solid ceramic plunger...
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Oberdorfer Pumps
2" Bronze gear pump
N26HDM
$6,488.30Long coupled gear pump made of cast bronze. If used above 900 RPM with non-lubricating fluid, then duty cycle is limited to intermittent.Continuous duty on lubricating liquids like oils. Use slower speed motor at lower flow rates for water an...
up to 170GPM Learn More
