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Home  >  Diaphragm Pumps

Diaphragm Pumps

Diaphragm 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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EW-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
EW-75102-00
In stock.
$530.00 USD/EACH

Qty:

EW-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
EW-75420-00
Usually ships in 4 days or sooner.
$156.00 USD/EACH

Qty:

EW-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
EW-75000-00
In stock.
$185.00 USD/EACH

Qty:

Representative photo only Cole Parmer Self Priming Micro Pump 50 uL PPS EPDM 24 VDC

Cole-Parmer Self-Priming Micro Pump; 50 uL, PPS/EPDM, 24 VDC

Max pressure 5 psi,Max temperature º C 70,Max temperature º F 158
EW-73120-24
Available for order
or call 1-888-358-4705 to order
$246.00 USD/EACH

Qty:

EW-75420-10 Moderate Flow Positive Displacement Automatic-Demand Diaphragm Pump, 1.4 GPM, 115 VAC, 60 psi

Automatic-Demand Diaphragm Pump, 1.4 GPM, 60 psi; 115 VAC

Max flow rate LPM 5.3,Max pressure 60 psi,Max temperature º C 60
EW-75420-10
Available for order
or call 1-888-358-4705 to order
$168.50 USD/EACH

Qty:

Representative photo only Dual Head Diaphragm Pump for Fluids 2 5 1 2 LPM 12 VDC

Dual-Head Diaphragm Pump, for Fluids, 2.5/1.2 LPM; 12 VDC

Max flow rate LPM 2.5 (in parallel); 1.2 (in series),Max pressure 7.1 psi,Max temperature º C 80
EW-78182-05
Available for order
or call 1-888-358-4705 to order
$231.00 USD/EACH

Qty:

EW-75421-01 Hydra-Cell® High-Pressure Diaphragm Pump, 1 GPM, 1000 PSI, Brass head construction, 1 Hp, 3 Phase

Hydra-Cell High-Pressure Diaphragm Pump, Brass, 1 GPM, 208V/3 Ph/60Hz

CE Compliance Yes,Max flow rate GPM 0.96,Max flow rate Liters/min 3.63
EW-75421-01
Usually ships in 14 days.
$1,152.00 USD/EACH

Qty:

EW-75421-11 Representative Photo Only.  Hydra-Cell® High-Pressure Diaphragm Pump, 3 GPM, 1000 PSI, Brass head construction, 2 Hp, 3 Phase

Hydra-Cell High-Pressure Diaphragm Pump, Brass, 3 GPM, 208V/3 Ph/60Hz

CE Compliance Yes,Max flow rate GPM 3,Max flow rate Liters/min 11.35
EW-75421-11
Usually ships in 14 days.
$2,011.00 USD/EACH

Qty:

Representative photo only Cole Parmer Self Priming Micro Pump 20 uL PTFE PTFE 24 VDC

Cole-Parmer Self-Priming Micro Pump; 20 uL, PTFE/PTFE, 24 VDC

Max pressure 5 psi,Max temperature º C 70,Max temperature º F 158
EW-73120-32
Available for order
or call 1-888-358-4705 to order
$352.00 USD/EACH

Qty:

Representative photo only Automatic Demand Diaphragm Pump 1 4 GPM 100 psi 115 VAC

Automatic-Demand Diaphragm Pump, 1.4 GPM, 100 psi; 115 VAC

Max flow rate LPM 5.3,Max pressure 100 psi,Max temperature º C 60
EW-75420-20
In stock.
$186.50 USD/EACH

Qty:

EW-73120-30 Cole-Parmer<small><sup>&reg;</sup></small> Inert Solenoid Self Priming Micro Pumps, 20 microL, 12 VDC, PTFE, Perfluroelastomer

Cole-Parmer Self-Priming Micro Pump; 20 uL, PTFE/PTFE, 12 VDC

Max pressure 5 psi,Max temperature º C 70,Max temperature º F 158
EW-73120-30
Available for order
or call 1-888-358-4705 to order
$352.00 USD/EACH

Qty:

Representative photo only Cole Parmer Self Priming Micro Pump 20 uL PPS EPDM 24 VDC

Cole-Parmer Self-Priming Micro Pump; 20 uL, PPS/EPDM, 24 VDC

Max pressure 5 psi,Max temperature º C 70,Max temperature º F 158
EW-73120-12
Available for order
or call 1-888-358-4705 to order
$246.00 USD/EACH

Qty:

Representative photo only Multi Position Double Diaphragm Pump Nylon EPDM 1 87 GPM 115 VAC

Multi-Position Double-Diaphragm Pump; Nylon/EPDM, 1.87 GPM, 115 VAC

Max flow rate LPM 7.1,Max pressure 95 psi,Max temperature º C 93
EW-75000-10
Available for order
or call 1-888-358-4705 to order
$215.00 USD/EACH

Qty:

EW-73120-10 Cole-Parmer<small><sup>&reg;</sup></small> Inert Solenoid Self Priming Micro Pumps, 20 microL, 12 VDC, PPS, EPDM

Cole-Parmer Self-Priming Micro Pump; 20 uL, PPS/EPDM, 12 VDC

Max pressure 5 psi,Max temperature º C 70,Max temperature º F 158
EW-73120-10
Available for order
or call 1-888-358-4705 to order
$246.00 USD/EACH

Qty:

Representative photo only Dual Head Diaphragm Pump for Gases 14 8 LPM 12 VDC

Dual-Head Diaphragm Pump, for Gases, 14.8 LPM; 12 VDC

Max flow rate LPM 14.8,Max pressure 11.6 psi (parallel); 29 psi (series),Max temperature º C 80
EW-78182-20
Usually ships in 5 days.
$296.00 USD/EACH

Qty:

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