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Home  >  Pumps, Motors and Compressors > 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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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
Mfg Part# DP-5F;853665
DO-74020-00
Usually ships in 6 days.
$1,938.00 USD/EACH

Qty:
DO-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
Mfg Part# 31801-0115
DO-75102-00
In stock.
$530.00 USD/EACH

Qty:
DO-76803-38 Image is for illustrative purposes only. Please refer to product description

Progressing cavity pump, Stainless steel body and Viton stator construction, 3 HP AC motor, 45 PSI max pressure, 46 GPM max flow

Product Type Progressing Cavity Pumps,CE Compliance Yes,Brand Seepex
Mfg Part# W05NA4H0BD2036
DO-76803-38
Usually ships in 10 days.
$3,432.00 USD/EACH

Qty:
DO-75000-00 All-plastic, multi-position double-diaphragm pump, polypropylene body/Santoprene<small><sup>&reg;</sup></small> diaphragm, 1.85 GPM, 115 VAC

All-plastic, multi-position double-diaphragm pump, polypropylene body/Santoprene diaphragm, 1.85 GPM, 115 VAC

Product Type Diaphragm Pumps,Max flow rate LPM 7,Max pressure 60 psi
Mfg Part# D3835H5011A
DO-75000-00
In stock.
$174.00 USD/EACH

Qty:
Representative photo only Sanitary Wash Down Rotary Lobe Pump 13 GPM 230 VAC Single phase

Sanitary Wash-Down Rotary Lobe Pump, 13 GPM, 230 VAC, Single-phase

Product Type Rotary Lobe Pumps,Max flow rate LPM 49.2,Max pressure 220 psi
Mfg Part# LH320C-NVSW1-230
DO-75201-02
Usually ships in 14 days.
$8,030.00 USD/EACH

Qty:
DO-75150-00 Image shows 75150-00 model

Flexible impeller pump, bronze/nitrile, 6.7 GPM, 18 psi, 115 VAC

Product Type Flexible Impeller Pumps,Max flow rate LPM 25.4,Max pressure 18 psi
Mfg Part# AC-106-10
DO-75150-00
Usually ships in 4 days.
$102.00 USD/EACH

Qty:
DO-75300-00 High-Flow Double-Diaphragm Pump, polypropylene/neoprene, 13 GPM

High-Flow Double-Diaphragm Pump, polypropylene/neoprene, 13 GPM

Product Type Air-Powered Diaphragm Pumps,Max flow rate LPM 49.2,Max flow rate GPM 13
Mfg Part# 666053-311
DO-75300-00
Usually ships in 14 days.
$544.00 USD/EACH

Qty:
DO-76804-46 Image is for illustrative purposes only. Please refer to product description

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

Product Type Progressing Cavity Pumps,Min flow rate mL/min 158.3,Max temperature º C 93
Mfg Part# MD 025-12T - AC EPT VFD
DO-76804-46
Usually ships in 15 days.
$2,504.00 USD/EACH

Qty:
DO-74000-80 Representative Photo Only. Sandpiper® Air-Powered Double-Diaphragm PVDF Pump, PVDF, 4 GPM, Santoprene<small><sup>&reg;</sup></small> Diaphragm

Sandpiper Air-Powered Double-Diaphragm PVDF Pump, PVDF, 4 GPM, Santoprene Diaphragm

Product Type Air-Powered Diaphragm Pumps,Max flow rate LPM 15.1,Max flow rate GPM 4
Mfg Part# PB 1/4,TS3K.
DO-74000-80
Usually ships in 12 days.
$381.00 USD/EACH

Qty:
DO-76804-70 Sanitary progressing cavity pump with an AC VFD drive, 0.05 - 3.4 GPH

Sanitary 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
Mfg Part# MDC 0005-24 - AC EPT VFD
DO-76804-70
Usually ships in 10 days.
$6,092.00 USD/EACH

Qty:
DO-76804-57 Image is for illustrative purposes only. Please refer to product description

Industrial progressing cavity pump with a Spaggiari drive, 0 - 693 GPH

Product Type Progressing Cavity Pumps,Min flow rate mL/min 0,Max temperature º C 93
Mfg Part# MD 05-6LT - Spaggiari
DO-76804-57
Usually ships in 10 days.
$2,189.00 USD/EACH

Qty:
Representative photo only Mini Coalescing Air Filter 0 3 micron coalescing filter Max 49 SCFM Max Pressure 150 PSIG 1 4 NPT F connection

Mini Coalescing Air Filter, 0.3 micron coalescing filter, Max 49 SCFM, Max Pressure 150 PSIG, 1/4" NPT(F) connection

Product Type Compressor Filters/Regulators,Max pressure psi 150,Brand ARO-Flo
Mfg Part# F35121-300
DO-75300-77
Usually ships in 9 days or sooner.
$53.50 USD/EACH

Qty:
DO-76804-50 Industrial progressing cavity pump with a Spaggiari drive, 0 - 5.6 GPH

Industrial progressing cavity pump with a Spaggiari drive, 0 - 5.6 GPH

Product Type Progressing Cavity Pumps,Min flow rate mL/min 0,Max temperature º C 93
Mfg Part# MD 0005-24 - Spaggiari
DO-76804-50
Usually ships in 10 days.
$2,189.00 USD/EACH

Qty:
DO-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
Mfg Part# MD 0005-24 - AC EPT VFD
DO-76804-40
Usually ships in 10 days.
$2,504.00 USD/EACH

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

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

Product Type Bellows Pumps,Max flow rate LPM 9.8,Max pressure 72.5 psi
Mfg Part# PFD1 221
DO-76200-00
Usually ships in 15 days.
$2,059.00 USD/EACH

Qty:
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