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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Flojet Pumps
Quad Sensr VSD .5 hose barb
R4400-503
$257.50Flojet’s quad Variable Speed Drive (VSD) system needs no accumulator tank. Its microprocessor provides precise speed control to match the system demand. As more water is needed, the motor drives the pump for more flow. As the demand lessens, the ... -
Flojet Pumps
Quad Sensr VSD .75 hose barb
R4400-504
$299.00Flojet’s quad Variable Speed Drive (VSD) system needs no accumulator tank. Its microprocessor provides precise speed control to match the system demand. As more water is needed, the motor drives the pump for more flow. As the demand lessens, th...Notice:This Product has been discontinuedLearn More -
Flojet Pumps
Industrial Demand Pump
2100-789
$675.60Spray pump is a Duplex Diaphragm demand pump 115v. Use as a carpet cleaning machines, solar water pump or any other powered shower, sprinkler, misting system. Demand switch automatically turns the spray pump on and off when discharge valve is o... -
Flojet Pumps
High Flow Booster System
2840-000
$689.00Designed to provide a constant water pressure of 40 PSI and flows to 4.5 GPM. The pump is fully automatic, with built-in inlet strainer, pressure switch, and check valve, and supplies a smooth flow from a trickle to full flow. 115vIncludes cord ...
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Flojet Pumps
Diaphragm Pump 1.9GPM
N5100050A
$300.00Oil Resistant Acetyl Copolymer housing with Buna Elastomers. 5100-050A Flow rates to 1.9gpm and operating pressures 20 to 75psi, Duplex diaphragm design. Foam application. SALE!!!Max. air 80 PSI and .77 CFM For use on water like liquids.
Buna Learn More -
Flojet Pumps
Diaphragm Pump 1.9GPM
N5100040
$290.00Oil Resistant Acetyl Copolymer housing with Santoprene, FKM, Geolast and Buna Elastomers. Flow rates to 1.9gpm and operating pressures 20 to 75psi, Duplex diaphragm design. Foam application. SALE!!!Max. air 80 PSI and .77 CFM
Neoprene Learn More -
Flojet Pumps
Air Diaphragm pump
G575215A
$214.51Air driven, pneumatic pump. Glass filled Polypropylene double diaphragm pump with Santoprene diaphragms and EPDM check valve seats. Springs are Hastalloy. Often used on water cooling circuit for spot welders. Coolant pump replacement weilander tim...
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Flojet Pumps
Air Diaphragm pump
G573208
$357.40Air driven, pneumatic pump. Glass filled Polypropylene double diaphragm pump with FKM diaphragms and check valve seats. Springs are Hastalloy.Connections are 3/8" HB straight. Air connection is 1/4" HB PLASTIC.
FKM Learn More -
Flojet Pumps
Replacement Diaphragm
20730-000
$16.10Replacement diaphragm EPDM orings G57 seriesEPDM Learn More
