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Home  >  Positive Displacement Pumps

Positive Displacement Pumps

Positive Displacement Pumps

We offer the widest selection of pumps and fluid handling instruments in the industry. Plus we can special order virtually any pump your application may require!

Air-Powered Pumps contain no heat-generating electrical components, allowing safe, explosion-proof operation in hazardous areas. Pumps require input from a compressed-air source; available in bellows and diaphragm models.

Bellows Pumps move fluid or gases through the cavity created by reciprocating bellows coupled to a driving rod.

Diaphragm Pumps pulse one or two flexible diaphragms to gently displace liquid; check valves control direction of fluid flow.

Flexible Impeller Pumps contain an elastomeric impeller that traps fluid between blades and sweeps it through the pump housing. These low-cost utility pumps are ideal for general transfer.

Flexible Liner Pumps gently push fluid between the outer surface of a flexible liner and the inner surface of a rotating body block; can pump 20% soft solids.

Hose Pumps offer a high-capacity, high-pressure option that operate on the peristaltic hose pump technology. Product is available in both dry-running and lubricated designs.

Pressure Washers/Plunger Pumps combine a high-pressure pump with spray accessories to provide a self-contained high-pressure washing system.

Progressing Cavity Pumps (rotary screw pumps) force high-viscosity (up to 20,000 cp) and particulate-laden fluids through the cavity between the screw-style rotor and stator.

Roller Pumps have spinning rollers that create a vacuum to draw in liquid to carry to the outlet port. They provide no metal to metal contact; fluid contacts only the rollers or pump housing.

Rotary Lobe Pumps are excellent for CIP/SIP applications where cleanability of the machine needs to be maintained. They also are ideal for flows at higher pressures.

Rotary Vane Pumps are similar to flexible impeller pumps, except that they have a rigid impeller made of carbon/graphite. Pumps provide high-pressure, low-shear pumping.
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WZ-74440-55 Representative Image. Check individual details.

Air-operated Diaphragm Pump, FDA compliant, 45 Max GPM, 1-1/2" Tri-clamp, PTFE

Product Type Air-Powered Diaphragm Pumps,Max flow rate LPM 170.3,Max pressure 100 psi
WZ-74440-55
Call 1-888-358-4705 for availability.
$2,267.00 USD/EACH

Qty:

WZ-74440-60 Representative Image. Check individual details.

Air-operated Diaphragm Pump, FDA compliant, 1-1/2" Triclamp, 106gpm

Product Type Air-Powered Diaphragm Pumps,Max flow rate LPM 401.3,Max pressure 100 psi
WZ-74440-60
Call 1-888-358-4705 for availability.
$3,262.00 USD/EACH

Qty:

WZ-76804-40 Industrial progressing cavity pump with an AC VFD drive, 0.05 - 3.4 GPH

Industrial progressing cavity pump with an AC VFD drive, 0.05 - 3.4 GPH

Product Type Progressing Cavity Pumps,Min flow rate mL/min 3.3,Max temperature º C 93
WZ-76804-40
Usually ships in 10 days.
$2,504.00 USD/EACH

Qty:

Representative photo only Explosion proof Single phase NEMA Type C face Motor 1 Hp 1800 RPM 115 208 230 VAC

Explosion-proof Single-phase NEMA Type C-face Motor, 1 Hp, 1800 RPM, 115/208-230 VAC

Product Type Single-phase explosion-proof motors,hp 1,Model G870
WZ-71006-45
Usually ships in 15 days.
$707.00 USD/EACH

Qty:

Representative photo only High purity air operated double diaphragm pump 3 25 GPM 1 4 NPT

High-purity air-operated double-diaphragm pump, 3.25 GPM, 1/4" NPT

Product Type Air-Powered Diaphragm Pumps,Max flow rate LPM 12.3,Max temperature º C 80
WZ-74020-00
Usually ships in 7 days.
$1,977.00 USD/EACH

Qty:

WZ-75420-00 Moderate Flow Positive Displacement Bypass Diaphragm Pump, 1.4 GPM, 115 VAC

Moderate Flow Positive Displacement Bypass Diaphragm Pump, 1.4 GPM, 115 VAC

Product Type Diaphragm Pumps,Max flow rate LPM 5.3,Max pressure 45 psi
WZ-75420-00
In stock.
$156.00 USD/EACH

Qty:

WZ-74000-11 Representative Photo Only.  Sandpiper® Air-Powered Double-Diaphragm Polypropylene Pump, Polypropylene, 23 GPM, Santoprene<small><sup>&reg;</sup></small> Diaphragm

Sandpiper Air-Powered Double-Diaphragm Polypropylene Pump, Polypropylene, 23 GPM, Santoprene Diaphragm

Product Type Air-Powered Diaphragm Pumps,Max flow rate LPM 87.1,Max flow rate GPM 23
WZ-74000-11
Usually ships in 12 days.
$648.00 USD/EACH

Qty:

WZ-74440-65 Representative Image. Check individual details.

Air-operated Diaphragm Pump, FDA compliant, 106 Max GPM, 2" Tri-clamp, PTFE

Product Type Air-Powered Diaphragm Pumps,Max flow rate LPM 401.3,Max pressure 100 psi
WZ-74440-65
Call 1-888-358-4705 for availability.
$2,115.00 USD/EACH

Qty:

Representative photo only NSF approved roller pump 5 8 GPM 115 230 VAC

NSF approved roller pump, 5.8 GPM, 115/230 VAC

Product Type Roller Pumps,Max flow rate LPM 22,Max pressure 50 psi
WZ-70608-10
Usually ships in 12 days.
$515.00 USD/EACH

Qty:
See all Roller Pumps

Representative photo only Asti All PFA coated Double Bellows Pumps 10 LPM

Asti All (PFA-coated) Double-Bellows Pumps 10 LPM

Product Type Bellows Pumps,Max flow rate LPM 9.8,Max pressure 72.5 psi
WZ-76200-00
Usually ships in 15 days.
$2,101.00 USD/EACH

Qty:

Representative photo only Cole Parmer Inert Solenoid Self Priming Micro Pumps 50 microL 24 VDC PPS EPDM

Cole-Parmer Inert Solenoid Self Priming Micro Pumps, 50 microL, 24 VDC, PPS, EPDM

Product Type Diaphragm Pumps,Max pressure 5 psi,Max temperature º C 70
WZ-73120-24
Call 1-888-358-4705 for availability.
$246.00 USD/EACH

Qty:

Representative photo only High Flow Flexible Impeller Pump 20 GPM or 30 PSI Viton Impeller 1 1 2 HP

High-Flow Flexible Impeller Pump, 20 GPM or 30 PSI, Viton Impeller, 1-1/2 HP

Product Type Flexible Impeller Pumps,Body material Epoxy,Max flow rate LPM 75.7
WZ-75501-34
Usually ships in 6 days.
$1,859.00 USD/EACH

Qty:

WZ-75102-00 All-plastic, continous-duty double-diaphragm pump, polypropylene body/Santoprene<small><sup>&reg;</sup></small> diaphragm, 3.5 GPM, 115 VAC

All-plastic, continous-duty double-diaphragm pump, polypropylene body/Santoprene diaphragm, 3.5 GPM, 115 VAC

Product Type Diaphragm Pumps,Max flow rate LPM 13.2,Max pressure 40 psi
WZ-75102-00
In stock.
$530.00 USD/EACH

Qty:

WZ-75000-00 All-plastic, multi-position double-diaphragm pump, polypropylene body/Santoprene<small><sup>&reg;</sup></small> diaphragm, 1.85 GPM, 115 VAC
WZ-75000-00
In stock.
$185.00 USD/EACH

Qty:

Representative photo only Air operated double diaphragm drum pump polypropylene with TPO diaphragm 28 GPM

Air-operated double-diaphragm drum pump; polypropylene with TPO diaphragm, 28 GPM

Product Type Air-Operated Drum Pumps,Max temperature º C 180,Brand Kynar
WZ-74024-12
Usually ships in 7 days.
$967.00 USD/EACH

Qty:

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