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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

Max flow rate LPM 170.3,Max pressure 100 psi,Min temperature º C -23
WZ-74440-55
Available for order
or call 1-888-358-4705 to order
$2,267.00 USD/EACH

Qty:

Representative photo only Explosion Proof Single Phase TEFC Motor 56C 1 HP 1800 rpm 115 208 230 V

Explosion-Proof Single-Phase TEFC Motor, 56C, 1 HP/1800 rpm; 115/208-230 V

hp 1,Product Type Single-phase explosion-proof motors
WZ-71006-45
Usually ships in 15 days.
$732.00 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

Continuous-Duty Double-Diaphragm Pump; PP/Santoprene, 3.5 GPM, 115 VAC

Max flow rate LPM 13.2,Max pressure 40 psi,Max temperature º C 79
WZ-75102-00
In stock.
$530.00 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

Min flow rate mL/min 3.3,Max temperature º C 93,Max temperature º F 200
WZ-76804-40
Usually ships in 10 days.
$2,504.00 USD/EACH

Qty:

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

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

Max flow rate LPM 401.3,Max pressure 100 psi,Min temperature º C -23
WZ-74440-60
Available for order
or call 1-888-358-4705 to order
$3,262.00 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

Max flow rate LPM 5.3,Max pressure 45 psi,Max temperature º C 60
WZ-75420-00
In stock.
$156.00 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

Max flow rate LPM 12.3,Max temperature º C 80,Max temperature º F 176
WZ-74020-00
Usually ships in 7 days.
$1,977.00 USD/EACH

Qty:

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

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

Max flow rate LPM 9.8,Max pressure 72.5 psi,Min temperature º C 0
WZ-76200-00
Usually ships in 15 days.
$2,101.00 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 PP Pump, Santoprene; 23 GPM

Max flow rate LPM 87.1,Max flow rate GPM 23,Max pressure 100 psi
WZ-74000-11
Usually ships in 12 days.
$648.00 USD/EACH

Qty:

Representative photo only Asti All PFA coated Double Bellows Pumps 30 LPM 5 bar 3 4 flare connection

Asti All (PFA-coated) Double-Bellows Pumps 30 LPM, 5 bar, 3/4" flare connection

Max flow rate LPM 30,Max pressure 72.5 psi,Min temperature º C 0
WZ-76200-15
Available for order
or call 1-888-358-4705 to order
$3,457.00 USD/EACH

Qty:

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

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

Max flow rate LPM 401.3,Max pressure 100 psi,Min temperature º C -23
WZ-74440-65
Available for order
or call 1-888-358-4705 to order
$2,115.00 USD/EACH

Qty:

WZ-76804-47 Image is for illustrative purposes only. Please refer to product description

Industrial progressing cavity pump with an AC VFD drive, 3.7 - 416 GPH

Min flow rate mL/min 233.3,Max temperature º C 93,Max temperature º F 200
WZ-76804-47
Usually ships in 10 days.
$2,504.00 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

Multi-Position Double-Diaphragm Pump; PP/Santoprene, 1.85 GPM, 115 VAC

Max flow rate LPM 7,Max pressure 60 psi,Max temperature º C 71
WZ-75000-00
In stock.
$185.00 USD/EACH

Qty:

WZ-76804-45 Image is for illustrative purposes only. Please refer to product description

Industrial progressing cavity pump with an AC VFD drive, 2.5 - 226 GPH

Min flow rate mL/min 158.3,Max temperature º C 93,Max temperature º F 200
WZ-76804-45
Usually ships in 10 days.
$2,504.00 USD/EACH

Qty:

Representative photo only High purity air operated double diaphragm pump 6 0 GPM 3 8 NPT

High-purity air-operated double-diaphragm pump, 6.0 GPM, 3/8" NPT

Max flow rate LPM 22.7,Max temperature º C 80,Max temperature º F 176
WZ-74020-10
Usually ships in 7 days.
$4,262.00 USD/EACH

Qty:

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